INDEX 



593 



Mussel, 392 ; Lancelet, 408 ; 

 Dogfish, 433-442 ; Rabbit, 503 



Body-cavity, see Coelome 



Body of vertebra, see Vertebra 



Body-segments, see Metamere 



Bojanus, organ of, 390 



Bone r cartilage and membrane, 43, 

 472 ; nature of, 52 ; microscopi- 

 cal structure of, 116 



Bones, see Endoslceleton, Skull, 

 Vertebra, Ribs, Sternum, and 

 under individual bones of limbs 



Botany, i 



BOUGAINVILLEA : occurrence and 

 general characters, 304 ; micro- 

 scopic structure, 304 ; structure 

 of Medusa, 307 ; nervous system, 

 311 ; organs of sight, 308, 312 ; 

 reproduction and development, 

 31 2 ; alternation of generations, 

 314 ; practical directions, sif 



Brachial plexus, see Nerve-plexus 



Brain : Frog, 28, 156, 202 ; Earth- 

 worm, 333 ; Crayfish, 365 ; Mtis- 

 sel, 392 ; Lancelet, 405, 408 ; 

 Dogfish, 443 ; Rabbit, 501 ; de- 

 ~velopment of, in Vertebrates, 202, 

 566, 387 



Brain-case, see Skull 



Branchia, see Gill 



Branchial apertures, arches, clefts, 

 and septa : Tadpole, 204, 206 ; 

 Lancelet, 405, 407 ; Dogfish, 416, 

 422, 429, 432 ; development of, 



S7I' 

 Branchial rays, 422 

 Branchial vessels : Crayfish, 360, 



363 J Mussel, 392 ; Lancelet, 409 ; 



Dogfish, 433 ; Tadpole, 435 

 Breast-bone, see Sternum 

 Bronchus, 500 



Buccal cavity, 16, 327, 429 , 

 Buccal- groxave, 262 

 Bud, budding, 301, 303, 313 

 Bufo, Bufoiiidse, 218 

 Bulb, see Medulla oblongata 

 Bulbus aortse, 89 

 Bulla, tympanic, 475 

 , Byssus, 396 



Pract. Zool. 



V^Eecum, 498 



Calcaneum, 51,487 



Calcar, 52 



Canal : central, of spinal cord, 1 56, 

 408, 443; naso-palatine, 490; 

 neural, see Vertebral column ; 

 neurenteric, 203 ; radial and circu- 

 lar of Medusa, 307 ; semicircular of 

 ear, see Auditory organ andTVIem- 

 branous labyrinth ; sensory, of 

 Dogfish, 416, 448 ; sternal, of 

 Crayfish, 349 ; vertebrarterial,48i 



Canaliculi, see Bone 



Canine teeth, 492 



Capillaries, 95, 363, 435, 438 



Capitular facet and capitulum, 481 



483 

 Carapace, 347 

 Carbohydrates, 72 

 Carbon dioxide, 66 

 C^rchesium, 281, 288 

 Cardiac division, see Stomach. 

 'Carotid arch, see Arteries of Frog, 



Dogfish, and Rabbit 

 Carpus, 50, 485 

 Cartilage, 20, ■ 35, 115, 419, 470; 



calcified, 46, 48, 419 

 Caruncle, 582 



Castiiigs of earthworm, 318 

 Cell, no, 231, 540; see under 



various types 

 Cell-colony, see Colony 

 Cell-differentiation, see Differentia- 

 tion, and under development of. 



various types 

 Cell-division, 544,51?? 

 Cell-membrane or wall, 232, 244, 



542 

 Cellulose, 244, 254, 406 

 Cement, 429, 493 

 Centrosome, 544 

 Centrum, see Vertebra 

 Cephalothorax, 347 

 Cerebellum: Frog, 157, Dogfish, 



443. S13 

 Cerebral flexure, 568 

 Cerebral ganglion, see Brain 



Q Q 



