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841 Pages in Charles Darwin's Library associated with "theory / science"

  1. Das Abändern der Vögel durch Einfluss des Klima's.
    By: Gloger, Constantin Wilhelm Lambert,
    Publication info: Breslau :August Schulz & Co.,1833.
    Volume: Supplementary material in Darwin's copy
    Pages: End Note   
  2. Die Bastardbefruchtung im Pflanzenreich.
    By: Wichura, Max.
    Publication info: Breslau :E. Margenstern,1865.
    Pages: Page 43  Page 89  Page 93  End Slip 2  End Note 2  
  3. Befruchtung der Blumen durch Insekten.
    By: Müller, Hermann.
    Publication info: Leipzig :Wilhelm Engelmann,1873.
    Pages: Page 3  Page 4  Page 92  Page 426  Page 429  Page 430  Page 444  Page 445  Page 446  Page 449  End Note   
  4. Beiträge zur Kenntniss der Befruchtung der vollkommeneren Gewächse.
    By: Gärtner, Carl Friedrich.
    Publication info: Stuttgart :E. Schweizerbart,1844.
    Pages: Page 119  Page 138  Page 242  Page 364  Page 440  
  5. Beyträge zur Anthropologie und allgemeinen Naturgeschichte.
    By: Rudolphi, Carl Asmund.
    Publication info: Berlin :Haude & Speuer,1812.
    Pages: Page 58  Page 129  Page 137  Page 139  Page 143  Page 159  End Slip   
  6. Botanische Mittheilungen.
    By: Nägeli, Carl von.
    Publication info: München :F. Staub,1866.
    Pages: Page 123  Page 127  Page 130  Page 135  Page 151  Page 158  Page 170  Page 294  Page 300  Page 342  Page 351  Page 366  Page 367  Page 397  Page 406  Page 427  
  7. Cattle: Their breeds, management, and diseases.
    By: Youatt, William.
    Publication info: London :Baldwin & Cradock,1834.
    Pages: Page 28  Page 248  Page 522  Page 590  End Note 1  
  8. Conjectures concerning the cause, and observations upon the phaenomena of earthquakes.
    By: Michell, John.
    Publication info: London :[s.n.],1760.
    Pages: Page 17  Page 26  End Note   
  9. Considérations sur les céréales, et principalement sur les froments.
    By: Loiseleur-Deslongchamps, Jean Louis Auguste.
    Publication info: Paris :Bouchard-Huzard,1842.
    Pages: Page 199  Page 200  Page 203  Page 210  Page 211  Page 216  End Slip 3  
  10. Contributions to the natural history of the United States of North America.
    By: Agassiz, Louis,
    Publication info: [s.n.] :[s.n.],n.d..
    Pages: Page 3  Page 4  Page 5  Page 39  Page 46  Page 53  Page 115  Page 166  Page 171  Page 172  Page 194  Page 195  Page 225  End Slip   
  11. Die Darwin'sche Theorie und ihre Stellung zu Moral und Religion.
    By: Jaeger, Gustav.
    Publication info: Stuttgart :Julius Hoffmann,n.d..
    Pages: Page 18  Page 19  Page 20  Page 21  Page 39  
  12. De la physionomie et de la parole.
    By: Lemoine, Albert.
    Publication info: Paris :Germer Baillière,1865.
    Pages: Page 83  Page 99  Page 104  Page 190  Page 197  
  13. De la physionomie et des mouvements d'expression.
    By: Gratiolet, Pierre.
    Publication info: Paris :J. Hetzel,1865.
    Pages: Page 7  Page 207  
  14. De l'espèce et des races dans les êtres organisés et spécialement de l'unité de l'espèce humaine.
    By: Godron, Dominique Alexandre.
    Publication info: Paris :J.B. Baillière et Fils,1859.
    Volume: v.1
    Pages: Page 10  Page 125  Page 134  Page 179  Page 370  Page 44  Page 263  Page 276  Page 277  
  15. Descriptive and physiological botany.
    By: Henslow, John Stevens.
    Publication info: London :Longman, Orme, Brown, Green & Longman,1837.
    Pages: Page 2  Page 222  Page 288  Page 289  Page 290  Page 312  Page 313  End Note 1  End Note 2  End Note 3  
  16. Dogs.
    By: Smith, Charles Hamilton, - Jardine, W.
    Publication info: Edinburgh :W.H. Lizars,1839-1840.
    Volume: v.10
    Pages: Page 116  End Note 1  
  17. The dovecote and the aviary.
    By: Dixon, Edmund Saul.
    Publication info: London :John Murray,1851.
    Pages: Page 74  Page 76  Page 77  Page 80  Page 275  End Slip 1, side 1  
  18. Éléments de tératologie végétale.
    By: Moquin-Tandon, Alfred.
    Publication info: Paris :P.-J. Loss,1841.
    Pages: Page 20  Page 116  Page 156  Page 159  Page 186  Page 267  Page 309  Page 342  End Slip 1  
  19. Elements of physiology.
    By: Müller, Johannes. - Baly, W.
    Publication info: London :Taylor & Walton,1838-1842.
    Volume: v.1
    Pages: Page 9  Page 18  Page 19  Page 20  Page 24  Page 33  Page 46  Page 72  Page 73  Page 165  Page 399  Page 401  Page 402  Page 468  Page 570  Page 719  Page 720  Page 721  Page 730  Page 735  Page 822  Page 837  End Slip   End Note 1  End Note 2  Page 946  Page 1144  Page 1315  Page 1438  Page 1451  Page 1592  End Slip , side 1  End Note 2  
  20. Das entdeckte Geheimnis der Natur im Bau und in der Befruchtung der Blumen.
    By: Sprengel, Christian Konrad.
    Publication info: Berlin :F. Vieweg,1793.
    Pages: Page 33  Page 75  Page 79  Page 169  Page 209  Page 423  Page 431  
  21. Essais de zoologie générale.
    By: Geoffroy Saint Hilaire, Isidore.
    Publication info: Paris :Roret,1841.
    Volume: v.1
    Pages: Page 7  Page 49  Page 73  Page 75  Page 79  Page 81  Page 87  Page 94  Page 142  Page 144  Page 153  Page 165  Page 167  Page 169  Page 199  Page 200  Page 202  Page 203  Page 207  Page 237  Page 247  Page 281  Page 286  Page 293  Page 294  Page 300  Page 363  Page 379  Page 430  Page 434  Page 437  Page 438  Page 441  Page 516  End Slip , side 1  End Slip , side 3  
  22. Evidence as to man's place in nature.
    By: Huxley, Thomas Henry,
    Publication info: London :Williams & Norgate,1863.
    Pages: Page 59  Page 70  Page 109  
  23. Die Fauna der Pfahlbauten der Schweiz.
    By: Rütimeyer, Ludwig.
    Publication info: Basel :Schweighauser,1861.
    Pages: Page 130  Page 145  Page 146  Page 190  Page 238  End Slip 2  
  24. Flora Indica.
    By: Hooker, Joseph Dalton, - Thomson, Thomas.
    Publication info: London :W. Pamplin,1855.
    Pages: Page 19  Page 27  Page 165  Page 237  Page 248  Page 13  Page 20  Page 24  Page 41  End Slip , side 2  End Slip , side 3  End Note 1  
  25. The fruits and fruit trees of America.
    By: Downing, Andrew Jackson.
    Publication info: London :Wiley & Putnam,1845.
    Pages: Page 470  
  26. Die Geschlechter-Vertheilung bei den Pflanzen.
    By: Hildebrand, Friedrich.
    Publication info: Leipzig :Wilhelm Engelmann,1867.
    Pages: Page 5  Page 13  Page 67  Page 90  
  27. Die Getreidearten und Wiesengräser.
    By: Metzger, Johann.
    Publication info: Heidelberg :C.F. Winter,1841.
    Volume: Supplementary material in Darwin's copy
    Pages: End Slip   
  28. Handbook to the birds of Australia.
    By: Gould, John,
    Publication info: London :by the author,1865.
    Volume: v.2
    Pages: Page 56  
  29. Histoire générale et particulière des anomalies de l'organisation chez l'homme et les animaux.
    By: Geoffroy Saint Hilaire, Isidore.
    Publication info: Paris :J.B. Baillière,1832-1837.
    Volume: v.1
    Pages: Page 22  Page 24  Page 25  Page 191  Page 281  Page 429  Page 441  Page 484  Page 537  Page 550  Page 552  Page 662  Page 63  Page 262  Page 375  Page 560  Page 257  Page 261  Page 396  Page 398  Page 416  Page 433  Page 448  Page 449  Page 456  Page 457  Page 458  Page 459  Page 462  Page 463  Page 499  Page 500  Page 501  Page 503  Page 506  Page 507  Page 522  Page 523  Page 524  Page 526  Page 530  Page 531  Page 534  Page 542  Page 593  Page 594  Page 597  Page 602  Page 604  Page 606  Page 608  Page 609     End Slip 2  End Slip 3  End Slip 5  
  30. Histoire naturelle des Îles Canaries.
    By: Barker-Webb, Philip. - Berthelot, Sabin.
    Publication info: Paris :Béthune,1840.
    Pages: Page 9  Page 9  
  31. Histoire naturelle générale des règnes organiques.
    By: Geoffroy Saint Hilaire, Isidore.
    Publication info: Paris :Victor Masson,1854-1862.
    Volume: v.2
    Pages: Page 383  Page 386  Page 387  Page 388  Page 390  Page 393  Page 394  Page 396  Page 399  Page 402  Page 405  Page 406  Page 408  Page 416  Page 418  Page 423  Page 431  Page 432  Page 437  End Slip   Page 82  Page 199  Page 228  Page 365  Page 407  
  32. A history of British birds.
    By: Yarrell, William,
    Publication info: London :John Van Voorst,1839.
    Pages: Page 159  Page 506  End Slip   
  33. A history of British fossil mammals and birds.
    By: Owen, Richard,
    Publication info: London :John Van Voorst,1846.
    Pages: Page 215  Page 216  Page 432  Page 510  
  34. Horses.
    By: Smith, Charles Hamilton, - Jardine, W.
    Publication info: Edinburgh :W.H. Lizars,1841.
    Volume: v.12
    Pages: Page 69  Page 70  Page 151  Page 337  Page 348  
  35. Illustrated series of rare and prize poultry including comprehensive essays upon all classes of domestic fowl.
    By: Ferguson, George.
    Publication info: [s.n.] :G. Ferguson, Beaufort Library,1854.
    Pages: Page 192  End Slip 3, side 2  
  36. In Sachen Darwin's insbesondere contra Wigand.
    By: Jaeger, Gustav.
    Publication info: Stuttgart :E. Schweizerbart,1874.
    Pages: Page 5  Page 9  Page 14  Page 88  Page 115  Page 131  Page 133  Page 176  
  37. Inquiries concerning the intellectual powers and the investigation of truth.
    By: Abercrombie, John.
    Publication info: London :John Murray,1838.
    Pages: Page 27  Page 32  Page 159  Page 174  Page 175  Page 179  Page 187  Page 202  Page 212  Page 217  Page 218  Page 241  Page 258  Page 315  
  38. Intermarriage.
    By: Walker, Alexander.
    Publication info: London :Churchill,1838.
    Pages: Page 160  Page 161  Page 202  Page 213  Page 221  Page 222  Page 229  Page 309  Page 312  End Slip 1  End Slip 3, side 1  End Slip 3, side 3  End Slip 3, side 4  End Note 2  
  39. Introduction á la zoologie générale.
    By: Milne-Edwards, Henri.
    Publication info: Paris :Victor Masson,1851.
    Pages: Page iv     Page 9  Page 10  Page 12  Page 14  Page 16  Page 21  Page 22  Page 27  Page 29  Page 33  Page 35  Page 57  Page 60  Page 61  Page 68  Page 74  Page 94  Page 102  Page 115  Page 117  Page 118  Page 119  Page 123  Page 126  Page 127  Page 141  Page 142  Page 148  Page 151  Page 152  Page 154  Page 158  Page 161  Page 165  Page 166  Page 169  Page 171  Page 172  Page 173  Front Slip   
  40. Introductory essay to the flora of New Zealand.
    By: Hooker, Joseph Dalton,
    Publication info: London :Lovell Reeve,n.d..
    Pages: Page xi  Page xii  Page xiii  Page xvi  Page xvii  Page xx  Page xxiii  Page xxvi  Page xxxi  
  41. Lake Superior: its character, vegetation, and animals, compared with those of other similar regions.
    By: Agassiz, Louis,
    Publication info: Boston :Gould, Kendall & Lincoln,1850.
    Pages: Page 34  Page 197  Page 199  Page 246  Page 252  Page 257  Page 261  Page 262  Page 265  Page 289  Page 292  Page 329  Page 376  Page 377  End Slip 2, side 2  
  42. Leçons de botanique.
    By: Saint-Hilaire, Auguste de.
    Publication info: Paris :P.J. Loss,1841.
    Pages: Page 35  Page 36  Page 145  Page 199  Page 301  Page 407  Page 415  Page 418  Page 422  Page 508  Page 541  Page 619  Page 711  Page 712  Page 753  Page 759  Page 779  Page 782  Page 784  Page 785  Page 786  Page 787  Page 788  Page 789  Page 791  Page 793  Page 794  Page 798  Page 814  Page 818  Page 834  Page 836  End Slip 1  End Slip 2  
  43. A manual of elementary geology.
    By: Lyell, Charles.
    Publication info: [s.n.] :[s.n.],1855.
    Pages: Page 114  Page 115  Page 258  Page 267  Page 301  Page 308  Page 309  Page 313  Page 358  Page 408  
  44. Naturgeschichte der Saeugethiere von Paraguay.
    By: Rengger, Johann Rudolph.
    Publication info: Basel :Schweighauser,1830.
    Pages: Page 152  
  45. Die natürliche wagerechte Richtung von Pflanzentheilen.
    By: Frank, Albert Bernhard.
    Publication info: Leipzig :Hermann Weissbach,1870.
    Pages: Page 64  Page 73  Page 77  Page 81  
  46. Nouvelles recherches sur l'hybridité dans les végétaux.
    By: Naudin, Charles.
    Publication info: Paris :[s.n.],1862.
    Pages: Page 153  
  47. On parthenogenesis.
    By: Owen, Richard,
    Publication info: London :John Van Voorst,1849.
    Pages: Page 25  Page 26  Page 64  Page 75  End Slip 1  End Note   
  48. On the domesticated animals of the British islands.
    By: Low, David.
    Publication info: London :Longman, Brown, Green & Longmans,1845.
    Pages: Page 197  Page 198  Page 233  Page 234  Page 532  Page 666  
  49. On the flora of Australia.
    By: Hooker, Joseph Dalton,
    Publication info: London :Lovell Reeve,1859.
    Pages: Page v  Page ix  Page xiii  Page xvii  Page xviii  Page xxii  Page xxiv  Page xxxi  Page lxxxvii  Page lxxxix  Page xcv  Page cvi  End Slip 2, side 1  
  50. On the genesis of species.
    By: Mivart, St George Jackson.
    Publication info: London :Macmillan & Co.,1871.
    Pages: Page 21  Page 34  Page 47  Page 61  Page 62  Page 67  Page 72  Page 77  Page 98  Page 112  Page 119  Page 121  Page 123  Page 130  Page 139  Page 163  Page 164  Page 166  Page 176  Page 212  Page 214  Page 215  Page 225  Page 230  Page 231  Page 239  Page 240  End Slip 1, side 1  End Slip 1, side 2  End Slip 2, side 1  End Note 2  
  51. On the nature of limbs.
    By: Owen, Richard,
    Publication info: London :John Van Voorst,1849.
    Pages: Page 9  Page 39  Page 40  Page 45  Page 84  Page 86  End Slip   End Note 1  
  52. On the variation of species.
    By: Wollaston, Thomas Vernon.
    Publication info: London :John Van Voorst,1856.
    Pages: Page 32  Page 35  Page 64  Page 65  Page 84  Page 119  Page 138  Page 153  Page 155  Page 163  Page 166  Page 170  Page 171  Page 172  Page 173  Page 177  Page 185  Page 186  Page 188  Page 193  
  53. On the varieties of wheat.
    By: Le Couteur, John.
    Publication info: Jersey--London :H. Payn & H. Wright,n.d..
    Pages: Page vii  
  54. Ornamental and domestic poultry: their history and management.
    By: Dixon, Edmund Saul.
    Publication info: London :The Gardeners' Chronicle,1848.
    Pages: Page xiii  Page 113  
  55. Philosophie zoologique.
    By: Lamarck, Jean-Baptiste
    Publication info: Paris :Duminil-Lesueur,1830 (1830 re-issue of the 1809 edition).
    Pages: Page 21  Page 22  Page 25  Page 26  Page 31  Page 32  Page 33  Page 38  Page 44  Page 52  Page 55  Page 56  Page 57  Page 58  Page 64  Page 68  Page 71  Page 75  Page 79  Page 81  Page 93  Page 101  Page 105  Page 106  Page 109  Page 127  Page 129  Page 134  Page 135  Page 136  Page 145  Page 148  Page 150  Page 156  Page 221  Page 223  Page 235  
  56. The physiology or mechanism of blushing.
    By: Burgess, Thomas Henry.
    Publication info: London :John Churchill,1839.
    Pages: Page 11  
  57. Les Pigeons de volière et de colombier, ou Histoire naturelle des pigeons domestiques.
    By: Boitard, Pierre. - Boitard, Corbié.
    Publication info: Paris :Audot & Corbié,1824.
    Pages: Page 28  Page 30  Page 198  Page 200  End Slip 2  
  58. Pomologie physiologique.
    By: Sageret, Michel.
    Publication info: Paris :Hizard,1830.
    Pages: Page 106  Page 146  End Slip   
  59. Primitive marriage.
    By: Mclennan, John Ferguson.
    Publication info: Edinburgh :Adam & Charles Black,1865.
    Pages: Page 66  Page 130  
  60. Principles of comparative physiology.
    By: Carpenter, William Benjamin.
    Publication info: London :John Churchill,1854.
    Pages: Page 3  Page 15  Page 96  Page 99  Page 102  Page 107  Page 131  Page 633  Page 635  End Slip 2, side 1  End Slip 2, side 3  
  61. Principles of geology.
    By: Lyell, Charles.
    Publication info: London :John Murray,1837.
    Volume: v.1
    Pages: Page 248  Page 326  Page 336  Page 362  Page 365  Page 370  Page 375  Page 376  Page 384  Page 386  Page 398  Page 404  Page 406  Page 407  Page 420  Page 441  Page 442  End Note 1  Page 20  Page 21  Page 78  Page 79  Page 80  Page 81  Page 99  Page 119  Page 139  Page 140  Page 141  Page 144  Page 146  Page 152  Page 47  Page 162  Page 163  Page 252  Page 253  Page 310  Page 311  Page 377  Page 389  Page 393  Page 394  End Note 2  
  62. Principles of the anatomy and physiology of the vegetable cell.
    By: Mohl, Hugo von. - Henfrey, A.
    Publication info: London :John Van Voorst,1852.
    Pages: Page 76  Page 109  End Note 1  
  63. Production et fixation des variétés dans les végétaux.
    By: Carrière, Élie Abel.
    Publication info: Paris :Libraire agricole de la Maison Rustiane,1865.
    Pages: Page 57  Page 67  Page 67  
  64. Researches into the physical history of mankind.
    By: Prichard, James Cowles.
    Publication info: London :Sherwood, Gilbert & Piper,1836.
    Volume: v.1
    Pages: Page 37  Page 52  Page 53  Page 370  Page 371  Page 224  
  65. Die Schutzeinrichtungen in der Entwickelung der Keimpflanze.
    By: Haberlandt, Gottlieb.
    Publication info: Wien :Carl Gerold's Sohn,1877.
    Pages: Page 69  Page 98  
  66. Sheep.
    By: Youatt, William.
    Publication info: London :Baldwin & Cradock,1837.
    Pages: Page 172  End Slip 1  
  67. Studien zur Descendenztheorie. I.
    By: Weismann, August.
    Publication info: Leipzig :Engelmann,1875.
    Pages: Page 43  Page 45  Page 48  Page 70  Page 78  Page 80  Page 83  Page 84  
  68. Studien zur Descendenztheorie. II. über die letzen Ursachen der Transmutationen.
    By: Weismann, August.
    Publication info: Leipzig :W. Engelmann,1876.
    Volume: v.2
    Pages: Page 72  Page 161  Page 191  Page 192  Page 200  Page 210  Page 219  Page 220  Page 221  Page 225  Page 277  
  69. Supplement to the fifth edition of A manual of elementary geology.
    By: Lyell, Charles.
    Publication info: London :John Murray,1857.
    Pages: Page 25  Page 30  Page 32  Page 33  Page 34  
  70. Sur la production et la fixation des variétés dans les plantes d'ornement.
    By: Verlot, Jean-Baptiste.
    Publication info: Paris :J.B. Baillière,1865.
    Pages: Page 56  Page 86  End Slip 1  End Slip 2  
  71. Traité du citrus.
    By: Gallesio, Georges.
    Publication info: Paris :Louis Fantin,1811.
    Pages: Page 207  
  72. über das Winden der Pflanzen.
    By: Palm, Ludwig Heinrich.
    Publication info: Tübingen :C. Richter,1827.
    Pages: Page 95  
  73. über den Begriff der Pflanzenart und seine Anwendung.
    By: Bernhardi, Johann Jacob.
    Publication info: Erfurt :Friedrich Wilhelm Otto,1834.
    Pages: Page 14  Page 29  
  74. über den Einfluss der Isolirung auf die Artbildung.
    By: Weismann, August.
    Publication info: Leipzig :W. Engelmann,1872.
    Pages: Page 15  Page 47  Page 48  Page 51  Page 52  Page 54  Page 62  Page 75  Page 82  Page 95  Page 97  Page 102  End Slip , side 1  End Slip , side 2  
  75. über die Berechtigung der Darwin'schen Theorie.
    By: Weismann, August.
    Publication info: Leipzig :W. Engelmann,1868.
    Pages: Page 18  Page 26  Page 28  Page 30     
  76. über Raçen der landwirthschaftlichen Hausthiere.
    By: Sturm, Carl Christoph Gottlieb.
    Publication info: Ebberfeld :Büscher,1825.
    Pages: Page 16  Page 17  Page 19  Page 21  Page 49  Page 121  Front Note   
  77. Untersuchungen über die Bedeutung der Nektarien in den Blumen.
    By: Kurr, Johann Gottlob von.
    Publication info: Stuttgart :Henneschen Buchhandlung,1833.
    Pages: Page 119  Page 120  Page 129  Page 135  Page 138  Page 139  Page 140  Page 141  Page 142  slip attached 1, side 2  slip attached 2, side 3  
  78. Die Verbreitungsmittel der Pflanzen.
    By: Hildebrand, Friedrich.
    Publication info: Leipzig :Wilhelm Engelmann,1873.
    Pages: Page 151  
  79. Versuche und Beobachtungen über die Bastarderzeugung im Pflanzenreich.
    By: Gärtner, C.F.
    Publication info: Stuttgart :[s.n.],1849.
    Pages: Page 56  Page 64  Page 135  Page 140  Page 150  Page 159  Page 164  Page 175  Page 176  Page 196  Page 197  Page 217  Page 223  Page 234  Page 235  Page 243  Page 265  Page 275  Page 292  Page 293  Page 362  Page 363  Page 366  Page 400  Page 405  Page 406  Page 407  Page 408  Page 411  Page 417  Page 435  Page 441  Page 444  Page 445  Page 455  Page 459  Page 460  Page 461  Page 468  Page 469  Page 470  Page 475  Page 478  Page 512  Page 520  Page 540  Page 556  Page 557  Page 574  Page 579  Page 586  Page 605  Page 621  Page 688  Page 724  Page 725  Page 727  Page 752  Page 759  End Note   
  80. Vorläufige Nachricht von einigen das Geschlecht der Pflanzen betreffenden Versuchen.
    By: Kölreuter, Johann Gottlieb.
    Publication info: Leipzig :in der Gleditschischen Handlung,1761-1766.
    Pages: Page 22  
  81. Vorstudien für Geschichte und Zucht der Hausthiere zunaechst am Schweineschaedel.
    By: Nathusius, Hermann von.
    Publication info: Berlin :Wiegandt & Hempel,1864.
    Pages: Page 94  Page 103  Page 104  Page 138  Page 167  Page 170  End Slip 1  
  82. Vorträge über Viehzucht und Rassenkenntnis.
    By: Nathusius, Hermann von.
    Publication info: Berlin :Wiegandt & Hempel,1872-1880.
    Pages: Page 118  
  83. Wissenschaftliches System der Mimik und Physiognomik.
    By: Piderit, T.
    Publication info: Detmold :Klingenberg,1867.
    Pages: Page 7  Page 8  Page 21  Page 23  Page 24  Page 25  Page 26  Page 80  Page 82  Page 88  Page 91  Page 107  Page 108  Page 109     Page 6  Page 8  
  84. Zur Speciesfrage.
    By: Hoffmann, Hermann.
    Publication info: Haarlem :De Erven Loosjes,1875.
    Pages: Page 4  Page 27  Page 28  End Note