INDEX 



559 



BABOONS, 413 



Badger, 387 



Badger skunk, 387 



Bagg, 540 



Balanoglossus, 210 



Balanus, 171 



Baleen, 428 



Baleen whales, 410 



Baltimore oriole, 366 



Baly, 436 



Bankia, 150 



Banta, 170 



Banting, 445 



Barba amarilla, 323 



Barbour, 328 



Bark lice, 179 



Barn owl, 349 



Barncacles and colors, 173 



Barracuda, 243 



Barred owl, 349 



Barriers, 490 



Basilar membrane, 475 



Bataillon, 299 



Bateson, 516 



Bauhin, K., antedated Linnaeus, 512 



Bayer, 29 



Bay lynx, 381 



Bdelloura, 72 



Beaded lizards, 310 



Beaks of birds, 356 



Bean weevil, 195 



Beche de mer, 14I 



Bed-bug, 184 



Belted king fisher, 350 



Beri-beri, 442 



Best, 445 



Beta hormone, 449 



Big-eared bat, 380 



Bilateral symmetry, in Echinodermata, 

 1 40 



Bile, 43^ 



Bilirubin, 457 



Binary fission, 26 



Binomial nomenclature, Bauhin, 512 



Biology, I 



Biophors, 518 



Bios, 443 



Bird-lime, 154 



Bird Migration, 366 



Bird of paradise, 351 



Bird Songs, 363 



Birds as insect enemies, 200 



Bishop, 268 



Bissonnette, 367, 536 



Biting lice, 179 



Black, D., 417 



Black bear, 384 



Black duck, 341 



Black fish, 411 



Black fox, 388 



Black-head in turkeys, 29 



Black rat, 393 



Black-tongue, 443 



Black widow spider, 203 



Bladder-worm of Cestodes, 79 



Blakeslee, 54 1 



Blastula, 160 



Blattidae, 180 



Blind-worm, 309 



Blood calcium, 457 



Blood Groups, 457 



Blood of Camelidae, 457 



Blood, of fish, 254; man, 452; snake, 327 



Blood platelets, 457 



Blue Andalusian fowl, 520 



Blue-bird, 352 



Blue crab, 175 



Boa constrictor, 315 



Bobolink, 353 



Bob-white, 343 



Body louse, 185 



Body sensations, 477 



Bone, 426 



Bonito, 251 



Book-lice, 179 



Boring sponges, 51 



Boron, 440 



Bot-fly, 188 



Botryllus gouldii, 211 



Bowen, 6 



Bow fin, 241 



Brachiopoda, 127 



Bradley, 440 



Bragg, 516 



Brain, earthworm, 115 



Branchinecta packardii, 171 



