368 
Asinus, 324. 
Aspidisca, 48. ~ 
Ass, 25, 324, 
Astacus, 20. 
Asteroidea, 19, 104, 127 ; general char- 
acters of, 109, et seq, 
Astreide, 18, 
Ateles, 25. 
Atolls, 97. 
» Atrium (7unicata), 189. 
Auchenia, 327. 
Auk, 291, 
Aurelia, 35. 
Aves, 23, 215, 225; general characters 
of, 277; feathers of, 7b. ; vertebral 
column of, 278 ; beak of, 279 ; pectoral 
arch of, ib. ; hind-limb of, 281 ; foot 
of, 282; digestive system of, 283 ; re- 
spiratory system of, 284; circulatory 
system of, 286; nervous system and 
organs of sense of, 287; migrations, 
288 ; divisions of, 239, ef seq. 
Aves altrices, 287. 
Aves erraticce, 288. 
Aves manentes, 288, 
Aves migratoric, 280. 
Aves preecoces, 287. 
Avocet, 292, 293. 
Axoloth, 238, 249. £50, 
Aye-Aye, 25, 342. 
BaBoon, 25, 342. 
Babyroussa, 325. 
Badger, 25, 334. 
Balena, 321. 
Balenide, 24, 321, 
Balancers, 171, 
Balanide, 147. 
Balanus, 20, 147. 
Baleen, 321. 
Balistide, 242. 
Bandicoot, 317. 
Bansering, 341, 
Barnacles, 20. 
Banamunda, 246, 
Barrier reefs, 96. 
Batides, 245. 
Batrachia, 252. 
Bats, 25, 338, 339. 
Bean Goose, 29). 
Bear, 25, 382, 334. 
Beaver, 25, 219, 336, 337. 
Bea-eaters, 303, 
Bees, 21, 173. 
Beebler, 21, 
Belemnites, 211. 
Bimana, 25, 3138, general characters of, 
345. 
Biology, definition of, 2. 
Bird-lice, 21, 165. 
Birds (See Avés). 
Birds-head process, 185, 187. 
Birds of Prey, 303, 
Bison, 329. 
Bittern, 294, 
Bivalve Shell-fish, 1938, 
Blackbird, 24, 
INDEX. 
Bladder-worms (sce Cystic Worms). 
Blastoidea, 18, 114. 
Blatta, 167. 
Blattina, 21, 167. 
Blind-worm, 268. 
Boa, 23, 267, 
Boat-fly, 166. 
Boide, 28. 
Bombidee, 21, 
Bonasa, 297. 
Bony Pike, 22, 242. 
Book-scorpion, 20, 153. 
Bos, 829. 
Bovide, 329. 
Brachiopoda, 21, 180, 181, 183; general 
characters of, 190, e¢ seq. 
Brachyura, 142. 
Bracts (of oceanic Hydrozoa), 76. - 
Bradypodide, 24, 815. 
Branchial hearts (Cuttle-fishes), 217. 
Branchial sac (Tumnicata), 189, 190 
(Lancelet), 237, 
Branchiate Vertebrates, 225. 
Branchifera (Gasteropoda), 199. 
Brine Shrimp, 20. 
Brittle Stars, 19, 
Bruta, 317. 
Bubalus, 329. 
Buccinum, 22, 200. 
Buceride, 802, 
Buffalo, 329. 
Bufo, 23. 
Bufonide, 254. 
Bull-finch, 301, 
Bustards, 294, 
Butterflies, 172. 
Buzzard, 308. 
Byssus (of Lamellibranchiata), 194, 197, 
Caddis Flies, 168. 
Caducibranchiata (Amphibia), 251. 
Ceca, intestinal (of Birds), 284. 
Cecile, 23, 24, 248. 
Caiman, 272. 
Calamaries, 22, 205, 210, 211. 
Calice (Corals), 94. 
Calycophoride, 17, 75. 
Camelidez, 25, 324, 327, 
Camelopardalide, 328. 
Campanularida, 62, 74; medusiform 
gonophores of, 74. 
Canals, of Sponges, 44; of Alcyonaria, 
97; of Ctenophora, 101. 
Cancer, 20, 178. 
Canide, 335. 
Cantharis, 177. 
Capredus, 328. 
Caprimulgiac, 308, 
Capybara, 327. 
Carabus, 160. 
Carcharide, 22. 
Carcinus, 2. 
Caribon, 827, 
Cartnaria, 22. 
Carnivora, 25, 313; general characterg 
of, 331, ef seq. , 
Carp, 241, 
