INDEX 



547 



Bladder, air, 403; gall, 346, 374; 

 of molluscs, 275; swimming, 403; 

 urinary, 519; of crustacea, 224; 

 frog, 427 ; vertebrates, 359. 



Blastoderm, of sharks, 385. 



Blastostyle, 92. 



Blood, 70; corpuscles, 70; of insects, 

 249; vascular system of insects, 

 249 ; of birds, 488 ; of starfish, 162 ; 

 of vertebrates, 349, 422, 423. 



Blood-vessels, 70 ; of annelid worms, 

 193, 207, 260; of crustacea, 224, 

 226; nemertean worms, 148. 



Body-cavity of starfish, 160. 



Body, pituitary, 354. 



Bojanus, organ of, 275. 



Bombyx mori, 58. 



Bone, 66. 



Bone quadrate, 339. 



Bones, of birds, 472; cartilage, 337, 

 411; epipubic, 525; marsupial, 

 525 ; membrane, 337, 411. 



Bothriocephalus latus, 145. 



Botryllus violaceus, 322. 



Bougainvillea ramosa, 103 ; super- 

 cilians, 103. 



Brachionus rubens, 179. 



Brachiopoda, 184. 



Bract, 108. 



Bradypodidae, 531. 



Brain, 71; of annelid worms, 195, 

 197,208; of birds, 479; of crustacea, 

 227; of insects, 249; of Peripatus, 

 239; of mammals, 514; of reptiles, 

 449; of shark, 353, 380; fore, 354. 



Branchellion, 211. 



Branchial basket of lamprey, 364. 



Branchiae, of annelid worms, 199; 

 secondary in Gastropod molluscs, 

 291. 



Branchiostoma, 323. 



Breast-bone, 336. 



Brittle-stars, 169. 



Bronchi, of birds, 476; of lizard, 348; 

 of mammals, 512. 



Bronchioles, 513. 



Bud, 73. 



Budding, 72. 

 Buds, medusa, 92. 

 Bufo, 432. 



Bugula avicularia, 182. 

 Bulbus aortse, 403, 419. 

 Bulla tympani, 499. 

 Bursa Fabricii, 476. 

 Buthus caiolinianus, 259. 

 Byssus, 279. 



Calamus, 460, 



Calcaneum, 416, 504. 



Calcarea, 86. 



Calcar, of frog, 417, 



Camel, 526, 537. 



Canal , of gastropod shell, 287 ; ingui- 

 nal, 520; neural, 334; radial, 97. 



Cancer irroratus, 231 ; pagurus, 230. 



Cancrisocia, 124. 



Capillaries of vertebrates, 349. 



Capitulum, 495. 



Capsule, central, 31. 



Carapace, 214 ; of crustacea, 233. 



Cardium, 280. 



Carina sterni, 466, 



Carinatae, 483. 



Carnivora, 6, 526, 539. 



Carpal bones, 502. 



Carpo-metacarpus, 469. 



Carpus, 341. 



Cartilage, 66 ; cerato-hyal, 372; hyo- 

 mandibular, 339, 372; intercalary, 

 369; Meckel's, 372. 



Casque, 486. 



Cassowary, 483. 



Cat, 2, s, 7, 526. 



Caudal vertebrae, 335. 



Cavity, atrial, 315 ; pericardial, 315, 



349- 



Cavity, buccal, 293, 294 ; of verte- 

 brates, 344, 459, 505. 



Cebidae, 543. 



Cell, 18; flame, 132, 140. 



Cells, adhesive, 127 ; pigment, 303. 



Cellulose, in ascidian test, 315. 



Cement, of tooth, 343. 



Centrale, 502. 



