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Professor Flower, L.L.D., F.R.S., President, in the Chair
Volume 1881, Page 1
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Account of the Zoological Collections made during the Survey of H.M.S. ‘Alert’ in the Straits of Magellan and on the Coast of Patagonia
Volume 1881, Page 2
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Descriptions of some new Exotic Species of Moths
Volume 1881, Page 141
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On the Elephant Seal, Macrorhinus leoninus (Linn.)
Volume 1881, Page 145
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On the Birds collected in Socotra by Prof. I. B. Balfour
Volume 1881, Page 165
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On the Lepidoptera collected in Socotra by Prof. I. B. Balfour
Volume 1881, Page 175
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On some Points in the Anatomy of the Koala Phascolarctos cinereus
Volume 1881, Page 180
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On a new Genus of Timeliidœ from Madagascar, with Remarks on some other Genera
Volume 1881, Page 195
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On the Mammals of Gilgit
Volume 1881, Page 197
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On the Evolution of the Placenta, and on the possibility of employing the characters of the Placenta in the Classification of the Mammalia
Volume 1881, Page 210
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On some Birds collected by E. F. im Thurn in British Guiana
Volume 1881, Page 212
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On a Collection of Reptiles and Frogs chiefly from Singapore
Volume 1881, Page 215
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An account of the collection of lizards made by Mr. Buckley in Ecuador, and now in the British Museum, with descritions of the new species
Volume 1881, Page 227
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Description of a new species of Enyalius in the Brussels Museum
Volume 1881, Page 246
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Remarks upon the Habits of the Darter (Ploius anhinga)
Volume 1881, Page 247
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Note on Mr. Bartlett's Communication on the Habits of the Darter
Volume 1881, Page 248
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Note on the Breeding of the Otter
Volume 1881, Page 249
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On the Land Shells of the Island of Socotra collected by Prof. Bayley Balfour
Volume 1881, Page 251
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On the Coleopterous Insects belonging to the family Hispidae collected by Buckley in Ecuador
Volume 1881, Page 260
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Additions to the Rhynchotal Fauna of the Ethiopian Region
Volume 1881, Page 270
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On a collection of Shells from Tanganyika and Nyassa, and other localities in East Africa
Volume 1881, Page 276
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On some North-American Tineidae
Volume 1881, Page 301
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Descriptions of new genera and species of Asiatic nocturnal Lepidoptera
Volume 1881, Page 326
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On Halichœrus grupus and its Breeding on the Fro Islands off Throndhjems-fjord in Norway
Volume 1881, Page 380
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A Note on Rhipidura preissi, Cab
Volume 1881, Page 387
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Notes on the Anatomy of the Erinaceidœ
Volume 1881, Page 389
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Observations on the Characters of the Echinoidea.-IV. The Echinometridae; their Affinities and Systematic Position
Volume 1881, Page 410
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Description of a New Species of the Genus Mespilia
Volume 1881, Page 433
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Contributions to the Anatomy of Passerine Birds.-Part IV. On some Points in the Anatomy of the Genus conopophaga, and its Systematic Position
Volume 1881, Page 435
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Note on the Generic Name Hypherpes
Volume 1881, Page 438
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Descriptions of new Genera and Species of Phytophagous Coleoptera
Volume 1881, Page 439
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Descriptions of the amphisbaenians and ophidians collected by Prof. J.B. Balfour in the Island of Socotra
Volume 1881, Page 461
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Notes on the lizards collected in Socotra by Professor l. Bayley Balfour
Volume 1881, Page 464
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On the Coleopterous Insects collected by I. Bayley Balfour in the Island of Socotra
Volume 1881, Page 469
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On the Birds of the Vicinity of Lima, Peru
Volume 1881, Page 484
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On the Genus Gouldia of C. B. Adams, and on a new Species of Crassatella
Volume 1881, Page 489
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Contributions to the Systematic Arrangement of the Asteroidea.-I. The Species of the genus Asterias
Volume 1881, Page 492
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Additional Observations on the Anatomy of the Spotted Hyaena
Volume 1881, Page 516
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On the Indian Species of the Genus Mus
Volume 1881, Page 521
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Descriptions of two new Species of Shells from Lake Tanganyika
Volume 1881, Page 558
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List of Birds recently collected by Dr. Kirk in Eastern Africa
Volume 1881, Page 561
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On a Collection of Lepidoptera from Western India, Beloochistan, and Afghanistan
Volume 1881, Page 602
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Note on some Points in the Anatony of the caecum in the Rabbit (Lepus cuniculs) and Hare (Lepus timidus)
Volume 1881, Page 624
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List of Land and Freshwater. Shells collected in Sumatra and Borneo, with Descriptions of new Species
Volume 1881, Page 628
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Description of eight new Species of Shells
Volume 1881, Page 635
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Notes on the Anatomy and Systematic Position of the Jaçanás (Parridae)
Volume 1881, Page 639
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Description d'une nouvelle Belette du Pérou septentrional
Volume 1881, Page 647
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On the Hymenoptera collected by Prof. I. Bayley Balfour in Socotra
Volume 1881, Page 649
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On the Range of Apogoa ellioti
Volume 1881, Page 650
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On the Dedopment of the Skeleton of the Paired Fins of Elasmobranchii, considered in Relation to its Bearings on the Nature of the Limbs of the Vertebrata
Volume 1881, Page 656
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On a collection of Persian reptiles recently added to the British Museum
Volume 1881, Page 671
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On a new spider of the family of Theraphosidae
Volume 1881, Page 682
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On the Structixre of the Pharynx, Larynx, and Hyoid Bones in the Epomophori; with Remarks on its Relation to the Hahits of these Animals
Volume 1881, Page 685
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On the Soukh-African Rhinoceroses
Volume 1881, Page 725
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On the Petrel called Thalassidroma nereis by Gould, and its Affinities
Volume 1881, Page 735
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Observations on the Habits of the Echidna hystrix of Australia
Volume 1881, Page 737
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On the lizards of the genera Lacerta and Acanthodactylus
Volume 1881, Page 739
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Field-notes on the Antelopes of Central South Africa, made during eight years spent in many different districts of the country
Volume 1881, Page 748
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On some new genera and species of Araneidea
Volume 1881, Page 765
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On the Generic Divisions of the Bucconidae, together with the Description of a new Species of the Genus Nonnula
Volume 1881, Page 775
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On the Conformation of the Thoracic End of the Trachea in the“Ratite”Birds
Volume 1881, Page 778
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On some Flycatchers lately added to the collection of the British Museum
Volume 1881, Page 788
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On the Birds of Sandakan, North-east Borneo
Volume 1881, Page 790
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On the Land-Shells of the Island of Socotra collected by Prof. I. Bayley Balfour
Volume 1881, Page 801
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Notes on the Museular Anatomy of Cercopithecus callitrichus
Volume 1881, Page 812
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Notice sur la Loddigesia mirabilis (Bourc.)
Volume 1881, Page 827
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Note on the Systematic Position of Eupetes macrocercus
Volume 1881, Page 837
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Note on Cœliaxis layardi, Angas
Volume 1881, Page 839
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Notes on the Genus Chilina, with a List of the known Species
Volume 1881, Page 840
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On Butterflies from Japan, by Arthur G. Butler, F.L.S., F.Z.S., &c.; with which are incorporated Notes and Descriptions of new Species
Volume 1881, Page 846
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On the Butterflies of Amurland, North China, and Japan
Volume 1881, Page 856
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On a new Species of Eclectus from the Timorlaut Islands
Volume 1881, Page 917
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A Note on the Genera Schœnicola and Catriscus
Volume 1881, Page 919
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Description of a new species of Anolis from Yucatan
Volume 1881, Page 921
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On the Mollusca procured during the ‘Lightning’ and ‘Porcupine’ Expeditions, 1868-70
Volume 1881, Page 922
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On the Birds collected in Socotra and Southern Arabia by Dr. Emil Riebeck
Volume 1881, Page 953
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Obsevations on the Incubation of the Indian Python (Python molurus), with special regard to the alleged Increase of Temperature during that process
Volume 1881, Page 960
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On the Whale-Fishery of the Basque Proviees of Spain
Volume 1881, Page 969
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On the Condition of the Median Portion of the Vaginal Apparatus in the Macropodidae
Volume 1881, Page 976
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Description of it new Fruit-pigeon of the Genus Carpophaga from the Louisiade Archipelago
Volume 1881, Page 996