- The Birds of South Africa, by Arthur C. Stark, 283
- Catalogue of the Arctiadæ (Nolinæ, Lithosianæ) in the Collection of the British Museum, by Sir George F. Hampson, 284
- Descriptive Guide to the Collection of Corals on view at the South London Art Gallery, 285
- The Birds of Surrey, by John A. Bucknill, 335
- The Birds of Cheshire, by T.A. Coward and Charles Oldham, 336
- Nature in Downland, by W.H. Hudson, 337
- Recollections of my Life, by Surgeon-General Sir Joseph Fayrer, Bart., 338
- Text-Book of Zoology, treated from a Biological Standpoint, by Dr. Otto Schmeil, 384
- Introduction to Zoology, by Charles Benedict Davenport and Gertrude Crotty Davenport, 385
- In Bird-land with Field-glass and Camera, by Oliver G. Pike, 386
- Bird Gods, by Charles de Kay, 387
- Year-Book of the United States Department of Agriculture, 1899, 435
- Bulletin of the United States Fish Commission, 436
- The Birds of Ireland, by Richard J. Ussher and Robert Warren, 486
- Fancy Waterfowl, by Frank Finn, 487
- Church Stretton, by E.S. Corbold, F.B. Newnham, and R.A. Buddicom, edited by C.W. Campbell-Hyslop, 488
- Life and Letters of Thomas Henry Huxley, by his Son, Leonard Huxley, 522
- A Treatise on Zoology, edited by E. Ray Lankester, Part II., by E.A. Minchin, Herbert Fowler, and Gilbert C. Bourne, with an Introduction by E. Ray Lankester, 524
- Origin and Character of the British People, by Nottidge Charles Macnamara, 525
Bombyxinus, 311; melanostoma, 311; uva, 311
Botaurus stellaris, 83, 414
Breeding of Jay in Oxfordshire, 19; haunts of Kite in Mid-Wales, 76, 79; of Black-headed Gull in Yorkshire, 231; of Shoveler in Kent, 279; of Garganey in Kent, 279; of Blackbird in Shetland, 281; of Cuckoo in London, 438, 439, 481; of Tufted Duck in Shropshire, 506
British Association (Zoology), 527
Bryozoa, 350
Bulla (Philine) aperta, 301
Bullfinch on the Rigi, 268
Buphaga erythrorhyncha, 438
Bustard, Great, re-introduction in Norfolk, 439; Little, correction respecting, 115
Buteo lagopus, 209; vulgaris, 209, 216, 378, 411, 426, 454
Buzzard, Common, shot in Hertfordshire, 426
Bythinia, 310; tentaculata, 310
Bythiniæ, 310
Caccabis rufa, 534
Calcarius lapponicus, 406
Calidris arenaria, 211
Callianassa, 348
Callionymus curvicornis, 354
Cancer pagurus, 287, 484
Canis lateralis, 543
Caprimulgus europæus, 409
Carduelis elegans, 206, 222, 404, 432, 452
Carine noctua, 482, 556
Cat, Wild, 477, 555
Cattle, White, 286
Centipede, marine, in Somerset, 484
Cerithidea decollata, 318; obtusa (Cerithium truncatum, C. obtusion), 317, 320
Cerithiidæ, 316
Cerithiopsis tubercularis, 305, 317
Certhia familiaris, 219, 401
Cestoda, 340
Chaffinch on the Rigi, 268
Charadrius pluvialis, 40, 60, 210
Charcarias glaucus (see Alopecias vulpes, 188)
Charybis cruciatus, 354
Chasmagnathus lævis, 348
Chelidon urbica, 206, 224, 258, 403, 452
Chiffchaff, building of, 37; early appearance, 82, 143; on the Rigi, 268
Chondropoma (Cyclostoma), 307, 308; dentatum, 307, 320; plicatulum, 307
Chough, Alpine, on the Rigi, 269; Red-billed, near Hendon, 82
Chromodoris (Doris) amabilis, 302
Chrysolopus spectabilis, 347