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I.—Report on the Copepoda obtained by Mr. George Murray, F.R.S., during the cruise of the ‘Oceana’ in 1898
Volume 12, Page 1
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On a collection of fishes from the Cameroon containing new species
Volume 12, Page 37
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III.—On the Hymenoptera collected by Mr. W. L. Distant in the Transvaal, South Africa, with descriptions of supposed new species
Volume 12, Page 46
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Descriptions of new Genera and Species of New Zealand Coleoptera
Volume 12, Page 69
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V.—Notes on the Natural History of East Finmark
Volume 12, Page 87
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VI.—Notes from the Gatty Marine Laboratory, St. Andrews. No. XXV
Volume 12, Page 128
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VII.—On some points in connexion with the ordinary development of Vaucheria resting-spores
Volume 12, Page 166
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VIII.—On the relations between certain diatoms and the fission-products of a parasitic alga (Chlorochytrium)
Volume 12, Page 175
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IX. — Descriptions of Three new Batrachians from Tonkin
Volume 12, Page 186
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Bibliographical notice
Volume 12, Page 190
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Proceedings of Learned Societies
Volume 12, Page 192
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XI.—Descriptions of new Eastern moths
Volume 12, Page 193
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New American Hymenoptera, mostly of the genus Nomada
Volume 12, Page 200
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XIII.—On a collection of batrachians and reptiles from the interior of cape colony
Volume 12, Page 215
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Descriptions of two new fishes discovered by Major C. Delmé Radcliffe in the Victoria Nyanza
Volume 12, Page 218
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XV.—On a new frog from upper Burma and Siam
Volume 12, Page 219
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XVI.—Descriptions of some new species of Lepidoptera from tropical south America and one from north Australia
Volume 12, Page 220
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Report on the Isopoda and Amphipoda collected by Mr. George Murray, F.R.S., during the cruiser of the "Oceana" in November 1898
Volume 12, Page 223
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XVIII.—Notes on neotropical mammals of the genera Felis, Hapale, Oryzomys, Akodon, and Ctenomys, with descriptions of new species
Volume 12, Page 234
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XIX.—Report on a collection of Echinoderms from the neighbourhood of Zanzibar.—Part I
Volume 12, Page 244
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Rhynchotal notes. XVIII. Heteroptera
Volume 12, Page 248
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XXI.—Note on a fossil eel from the Scandinavian chalk
Volume 12, Page 254
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XXII.—Notes on Hippoboscidæ (Diptera pupipara) in the collection of the British Museum
Volume 12, Page 255
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On some new genera and species of parasitic Hymenoptera from the Khasia Hills, Assam
Volume 12, Page 266
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Notes on Blattidae, with descriptions of new genera and species in the collection of the British Museum, South Kensington. No. II
Volume 12, Page 273
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XXV.—Notes on the Natural History of East Finmark
Volume 12, Page 280
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Bibliographical notice
Volume 12, Page 286
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Proceedings of Learned Societies
Volume 12, Page 287
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A matter of nomenclature
Volume 12, Page 288
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XXVI.—Descriptions of sixty-eight new Gastropoda from the Persian Gulf, Gulf of Oman, and North Arabian sea, dredged by Mr. F. W. Townsend, of the Indo-European telegraph service, 1901–1903
Volume 12, Page 289
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XXVIII.—On the distribution of mid-water Chœtognatha in the North Atlantic during the month of November
Volume 12, Page 334
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XXX.—New African mammalia of the genera Petrodromus, Dendromys, Mus, and Lepus
Volume 12, Page 339
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On a collection of fishes from the Azores
Volume 12, Page 344
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On the genus Lichia of Cuvier
Volume 12, Page 348
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XXXIII.—Descriptions of new snakes in the collection of the British Museum
Volume 12, Page 350
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List of the African species of the cyprinid genus Labeo, with a key to their identification
Volume 12, Page 355
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Description of a new silurid fish of the genus Clarias from British Central Africa
Volume 12, Page 362
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XXXVI.—On some new genera and species of parasitic Hymenoptera from the Khasia Hills, Assam
Volume 12, Page 363
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A manual of palœartic birds. By H. E. Dresser, F.L.S., F.Z.S. Part I. Published by the author at 3 Hanover Square, W. 12s. 6d. net
Volume 12, Page 371
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The fauna and geography of the Mildive and Laccadive Archipelagoes. Part I. Vol. II. pls. xxvi.–xxxiv. Cambridge: University Press. 15s. net
Volume 12, Page 372
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Notes on Blattidae etc., with descriptions of new genera and species in the collection of the British Museum, South Kensington. No. III
Volume 12, Page 373
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XXXIX.—Notes on the Natural History of East Finmark
Volume 12, Page 406
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On new species of Histeridae and notices of others
Volume 12, Page 417
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XLI.—Descriptions of new lizards in the collection of the British Museum
Volume 12, Page 429
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Descriptions of new freshwater fishes from southern Cameroon
Volume 12, Page 435
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XLIII.—North-American bees, and a new Homopteron
Volume 12, Page 442
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XLIV.—Notes on South-American monkeys, bats, carnivores, and rodents, with descriptions of new species
Volume 12, Page 455
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XLV.—A new mungoose from Namaqualand
Volume 12, Page 465
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Bibliographical notice
Volume 12, Page 466
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Bibliographical notice
Volume 12, Page 467
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XLVII.—A revision of the genera of the Araneæ or spiders, with reference to their type species
Volume 12, Page 481
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XLVIII.—Descriptions of fourteen new species of marine Mollusca from Japan
Volume 12, Page 496
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XLIX.—Three new species of Nyctinomus
Volume 12, Page 501
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L.—Notes on Irish species of Eylais
Volume 12, Page 505
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Remarks upon the morphology and systematics of certain chilognathous diplopods
Volume 12, Page 515
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Diagnoses of four new species of Barbus from the Nile
Volume 12, Page 532
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LIV.—Descriptions of new batrachians in the British Museum
Volume 12, Page 552
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On Haddonella topsenti, gen. et sp.n., the structure and development of its pithed fibres
Volume 12, Page 557
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LVI.—Description of a new genus of Heteromerous Coleoptera
Volume 12, Page 563
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LVII.—On some new genera and species of parasitic hymenoptera from the Khasia Hills, Assam
Volume 12, Page 565
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LVIII.—On the occurrence of Gobius capito, C. & V., in cornwall
Volume 12, Page 584
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LIX.—On a new species of Helictis
Volume 12, Page 592
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Description of a new West-African fish of the genus Alestes
Volume 12, Page 594
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Descriptions of thirty-one terrestrial and fluviatile mollusca from South Africa
Volume 12, Page 595
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LXII.—New hymenoptera aculeata taken by the swedish zoological expedition to Egypt and the white Nile in the spring of 1901
Volume 12, Page 610
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LVIII.—Notes on some Medusœ from Japan
Volume 12, Page 615
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Descriptions of new South-American fishes in the collection of the British Museum
Volume 12, Page 621
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LXV.—Notes on Scapholeberis aurita (S. Fischer), a cladoceran new to Britain
Volume 12, Page 630
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LXVI.—Three new bats from the Cameroons, discovered by Mr. G.L. Bates
Volume 12, Page 633
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Index Animalium, 1758–1800. A Carolo Davies Sherborn confectus. Cambridge University Press, 1902
Volume 12, Page 638