454 



GENERAL ZOOLOGY 



Beetles, 45 ; bombardier, 38 ; click, 

 41 ; diving, 39 ; ground, 37 ; June, 

 44 ; lady, 40 ; May, 44 ; scavenger, 

 40; stag, 106; tiger, 37; water, 

 38; whirligig, 38 



Biological Survey, 392 



Biology, 101, 436 



Bionomics, 436 



Bird Day, 396 



Birds, definition of, 374 ; diving, 375; 

 economic importance of, 392 ; gal- 

 linaceous, 381 ; geological devel- 

 opment of, 396; migration of, 

 390 ; mocking, 395 ; of prey, 383 ; 

 perching, 386; shore, 380; sing- 

 ing, 386 



Blackbird, crow, 394 



Blacksnake, 357 



Blastopore, 216 



Blasts, 286 



Blastula, 214, 244 



Bluebird, 390 



Blue jay, 389 



Bob-white, 382 



BOJANUS, PKOFESSOR, on nephridia 

 of mollusks, 161 



Botany, 436 



BOUCHER DE PERTHES, 447 



Bovidse, 416 



Brachiopoda, 234 



Brachiopods, 233, 296, 347 



BROOKS, PROFESSOR, on early stages 

 of oyster, 167 ; on environment of 

 oyster, 168 



BROWN-SEQUARD, on guinea-pigs, 

 108 



Bryozoa, 233 



Budding, 258 



BUFFON, 444 



Bugs, 36; squash, 31; plant, 31; 

 water, 30 



Bumblebees, 75 



BUMPCS, PROFESSOR H. C., on egg- 

 laying of lobster, 142 



Bureau of Animal Industry, work 

 of, 230 



Bureau of Fisheries, work of, 322 



Bursa copulatrix, 12 



Butterfly, milkweed, 46; monarch, 

 46 ; swallow-tail, 49 ; viceroy, 48 ; 

 White Mountain, 48 



Buzzard, turkey, 384 



Byssus, 164 



Caddice-flies, 105 



Cseca, intestinal, 241 ; pyloric, 240 



Caecum, 403 



CALKINS, PROFESSOR G. N., on ex- 

 periments with rejuvenescence in 

 Paramcecium, 290 



Camels, 413, 416 



Canal, radial, 239, 268; ring, 239; 

 stone, 239 ; excurrent, 274 ; incur- 

 rent, 273. 



Canidse, 420 



Canines, 414 



Capillaries, 202 



Caprella, 147 



Carapace, 125 



Carbohydrates, 198 



Carboniferous Age, 345, 346, 361 



Carnivora, 420 



Cassowaries, 374 



CASTLE, PROFESSOR W. E., on Men- 

 del's law, 113 



Cats, 420, 425 ; caff re, 420 ; Egyptian, 

 420 ; saber-toothed, 431 



Cavity, gastrovascular, 256 ; mantle, 

 159 



Cells, collar, 273; polar, 213; pole, 

 216 ; wandering, 274 



Cement, 401 



Centipeds, 122 



Centrosomes, 211 



Cephalopoda, 193, 194 



Cephalothorax, 125 



Cerata, 186 



Ceratosaurus, 361 



Cervidae, 416 



Cestoda, 229 



Cetacea, 412 



Chsetopoda, 225 



Chameleons, 353 



Cheliped, 128 



Chelonia, 357 



Chimpanzee, 424 



Chiroptera, 422 



Chitin, 2 



Chromosomes, 114, 211 



Chrysalis, 47 



Cicadas, 32; periodical, 32 



Cilia, 207, 287 



Circulation, 201 



Clam, long-neck, 157 ; soft-shell, 

 157 



Cleavage spindle, 214 



Clitellum, 196 



