520 



INDEX 



Blood pheasants, 350. 



Blood system, of birds, 334. 



Blowholes, of Cetacea, 373. 



Blubber, 373. 



Bluebirds, 355. 



Bluefish, 292. 



Blue heron, 343. 



Boa constrictor, 317. 



Boa imperator, 317. 



Boar, 380. 



Boas, 317. 



Boatswain birds, 341. 



Body-cavity, definition of, 52; of Mamma- 

 lia, 358. 



Bombinator igneus, 306. 



Bombyx mori, 215. 



Bonellia viridis, 143. 



Bones, of Cetacea, 373 ; of Sirenia, 372. 



Book lice, 202, 227. 



Book scorpions, 178. 



Borers, 214. 



Boring mussels, 247-249. 



Bos primigenius, 440; />'. taunts, 384, 440. 



Botany, definition of, 3, 512 ; relation to 

 biology, 7. 514. 



Botflies, 216. 



Bothriocephalic latus, 113, 115. 



Botryllus violaceus, 266. 



Bougainville, 500. 



Bower birds, 355. 



Bowfin, 285. 



Bowhead whale, 376. 



Brachiolarian larva, 91, 92. 



Brachiopoda, 132, 421, 422, 424, 432, 450. 



Branchiae, same as Gills, q.v. 



Branchiae, of insect larva-, 195. 



Branchial aperture, 265. 



Branchial arches, 275. 



Branchial basket, 272. 



Branchial chamber, of Tunicata, 265. 



Branchiostegal membrane, 285. 



Branchipus, 151. 



Brazilian fox, 400. 



Breastbone, of lizards, 312. 



Bristle tails, 197, 227. 



Brittle stars, 93. 



Broadbills, 354. 



Broadmouths, 354. 



Broad-nosed monkeys, 409. 



Bronchi, of Mammalia, 361. 



Bronchus, of pigeon, 333. 



Brood pouch, of Echidna, 364; of fishes, 

 287 ; of sea horse, 296. 



Brook trout, 292. 



Brown bat, 397. 



Brown bear, 398. 



Brown funnel, 269. 



Brown hyena, 402. 



Brown rat, 389. 



Brown trout, 288, 291. 



Brush birds, 354. 



Bryozoa, 129, 432, 450, 451. 



Bubo virgiruanus, 347. 



Buccal cavity, of lamprey, 272. 



Buccinum, 236. 



Buffalo, 384. 



Buffalo bug, 219, 220. 



Buffon, 501. 



Bu/o americanus, 306; B. boreas, 306; B, 



m an mis, 306. 

 Bufonida?, 304. 

 Bugs, 205, 210, 227. 

 Bugula avicularia, 130. 

 Bulbus aortae, of trout, 288. 

 Bullfrog, 306. 

 Bullhead, 290. 

 Bumblebee, 225. 

 Bursa fabricii, of pigeon, 333. 

 Bursas, of Ophiuroidea, 94. 

 Bushman, 479. 

 Bustards, 350, 351. 



345- 



Butterflies, 212, 213, 227. 

 Buzzards, 345. 

 Byssus gland, 245-247. 

 Byssus threads, 246. 



Caddice flies, 212, 227. 

 Caddice worm, 211, 212. 

 Cecilia pachynema, 307. 

 lans, 307. 



.111, of pigeon, 333. 

 Caiman, 326. 



Calcaneum, of frog, 300 ; of gorilla, 359. 

 Calcar, of frog, 300. 

 California gray whale, 375. 

 California sardine, 290. 

 California vulture, 345. 

 Calcispongias, 58. 



lorhinus ursinus, 405. 

 Callorhynchus antarctuus, 281. 

 Calosoma, 218. 

 t lambrian trails, 419. 

 Cambrian period, 13, 443. 

 Camels, 381, 382, 452. 

 Camelus bactrianus, 381. 

 Cameo shells, 237. 

 Camptolaimus labradorius, 344. 

 Canadian lynx, 404. 

 Canaries, 355. 

 Cancer pagurus, 170. 

 Canis dingo, 401 ; C. familiaris, 40 1"; C. 



lupus, 401. 

 Cankerworm, 214. 

 Capillitium, ot Mycetozoa, 14. 



a hire us, 384. 

 Caprel/a, 163. 

 Capybara, 390. 



