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The Comparative Anatomy of the Tongues of the Mammalia. II. Family 1. Simiidae
Vol 1921, Page 1
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Note on the Capture (in London) of a rare Parasitic Fly, Hammomyia (Hylephila) unilineata Zett
Vol 1921, Page 31
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The Bases of Classification of the Theriodontia
Vol 1921, Page 35
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Experiments on Colour-changes of the Spotted Salamander (Salamandra maculosa), conducted in the Society's Gardens
Vol 1921, Page 99
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Contributions to the morphology, classification and zoogeography of the Indian Oligochaeta
Vol 1921, Page 103
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On the Structure of the Reptilian Tarsus
Vol 1921, Page 143
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A Contribution to the Anatomy of the Three-toed Sloth (Bradypus tridactylus)
Vol 1921, Page 157
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Report on Deaths which occurred in the Zoological Gardens during 1920
Vol 1921, Page 179
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EXHIBITIONS AND NOTICES
Vol 1921, Page 183
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February 22nd, 1921
Vol 1921, Page 184
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On the Reproductive Organs of the Ascidisin Kükenthalia borealis (Gottschaldt)
Vol 1921, Page 187
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On the Variation of the Scapula in the Batrachian Groups Aglossa and Arcifera
Vol 1921, Page 197
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Notes on Marine Wood-boring Animals-II. Crustacea
Vol 1921, Page 215
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Colour-production in relation to the Coloured Feathers of Birds
Vol 1921, Page 221
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Fossil Bird-remains collected by Dr. Forsyth Major in Sardinia, Corsica, and Greece
Vol 1921, Page 229
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The Oriental species of the genus Callistomimus (Coleoptera, Carabidae)
Vol 1921, Page 233
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On the Molluscan genus Cochlitoma and its Anatomy, with Remarks upon the Variation of two closely-allied Forms
Vol 1921, Page 249
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A Revision of the Melolonthine Beetles of the Genus Ectinohoplia
Vol 1921, Page 267
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The Comparative Anatomy of the Tongues of the Mammalia.-III. Family 2. Cercopithecidae: with notes on the comparative physiology of the tongues and stomachs of the Langurs
Vol 1921, Page 277
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Descriptions of new moths from South-East Brazil
Vol 1921, Page 323
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Observations on the Habits of Cochlitoma zebra, var. fulgurata (Pfeiffer), and Cochlitoma zebra, var. obesa (Pfeiffer), in Confinement
Vol 1921, Page 379
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The External Characters and Classification of. the Procyonidae
Vol 1921, Page 389
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New or Little-known Reptiles and Batrachians from Southern Annam (Indo-China)
Vol 1921, Page 423
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EXHIBITIONS AND NOTICES
Vol 1921, Page 441