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By: Baker, Frank Collins,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 56--61
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Pilsbry, Henry Augustus,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 71--72
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Morris, J Cheston
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 73--74
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Ellis, Job Bicknell, - Everhart, B. M. (Benjamin Matlack),
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 76--93
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Trotter, Spencer
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 118--120
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 120--120
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 122--123
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Osborn, Henry Fairfield,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 124--135
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Heilprin, Angelo
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 136--158
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 160--160
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Dall, William Healey, - Pilsbry, Henry Augustus,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 165--171
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Allen, Harrison,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 208--209
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 209--209
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 210--223
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Shufeldt, Robert Wilson
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 224--233
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Leidy, Joseph,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 234--236
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 266--266
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 267--267
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Chapman, Henry C. (Henry Cadwalader),
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 342--388
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Rex, G A
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 389--398
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Allen, Harrison,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 400--405
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Pilsbry, Henry Augustus,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 406--407
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 409--409
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Baur, Georg,
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 411--430
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 439--439
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 455--455
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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By: Ives, J E
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 458--463
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 479--481
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 482--485
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 485--487
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 496--497
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 499--500
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 506--507
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
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Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Date: 1891
Page Range: 508--509
Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,