628 



INDEX. 



Bdellostoma — Ecspiratory organs, 542 ; 

 Branchial arteries, 579; Kidney, 603. 



Bees — Stomach, 262 ; Parthenogenesis 

 in, 302. 



Belemnites — Shell, 334 ; Phragmocone, 

 334; Pro-ostracum, 334. 



Beroe — Generative organs, 123. 



Beroidae — Gastrovascular system, 117. 



Birds — Fore-limbs, 417 ; Tegumentary 

 glands, 420 ; Sternum, 442 ; Squa- 

 mosal, 458 ; Foot, 489 ; Toes, 490 ; 

 Dermal muscles, 493 ; Intercostal 

 muscles, 496; Masticatory muscles, 

 497; Dura mater, 512 ; Falx cerebri, 

 512 ; Brachial plexus, 514 ; Sacral 

 plexus, 514 ; Crural plexus, 515 ; 

 Optic bulb, 529 ; Pecten, 531; Lens, 

 531 ; Lachrymal glands, 532 ; Lachry- 

 mal ducts, 533 ; Ductus endolympha- 

 ticus, 534 ; Labyrinth, 535 ; Palate, 

 546; Turbinate bones, 547; Nasal 

 cavities, 548 ; Nasal glands, 548 ; 

 Buccal cavity, 549 ; Teeth, 551 ; 

 Tongue, 552 ; Buccal glands, 553 ; 

 Thyroid gland, 554; Stomach, 557; 

 Crop, 557 ; Proventriculus, 558 ; 

 Mid-gut, 561 ; Hind-gut, 562 ; Caeca, 

 562 ; Liver, 563 ; Lungs, 573 ; Heart, 

 583 ; Arterial arches, 583 ; Carotids, 

 587 ; Visceral arteries, 589 ; Verte- 

 bral veins, 591 ; Renal veins, 594 ; 

 Inferior vena cava, 595 ; Arterial 

 retia, 597 ; Lymph sinuses, 599 ; 

 Lymphatic glands, 600 ; Thymus, 

 600; Eenal organs, 604; Ova, 609; 

 Ovaries, 613 ; Oviducts, 614 ; Testes, 

 614. 



Boa— Heart, 582. 



Bohadschia — Cuvierian organs, 216. 



Bombinator — Vertebrae, 432. 



Bombyx — Nervous system, 259. 



Bonellia — Cerebral mass, 148 ; Alimentary 

 canal, 161 ; Vascular system, 170 ; 

 Excretory organs, 174. 



Borlasia — Blood-corpuscles, 172. 



Bothryocephalus — Male organs, 181 ; 

 Female organs, 182. 



Botryllus — Colonies, 391. 



Bowerbankia — Alimentary canal, 160. 



Brachiata — Arms, 196. 



Brachionus — Excretory organ, 174. 



Brachiopoda — General review, 306 ; Clas- 

 sification, 306 ; Bibliography, 307 ; 

 Form of body, 307; Mantle-folds, 

 307; Shells, 307; Tentacles, 308; 

 Integument, 308 ; Arras, 309 ; Gills, 

 309 ; Muscular system, 309 ; Nervous 

 system, 310; Sensory organs, 310; 

 Alimentary canal, 310 ; Ileoparietal 

 band, 311 ; Excretory organs, 312 ; 

 Generative organs, 313. 



Brachycephalus — Dermal bones, 425. 



Brachyura — B ranchiae, 243 ; Ventral chord, 

 254 ; Heart, 281 ; Male organs, 295. 



Bradypus — Cervical vertebrae, 436; Jugal, 



466 ; Pelvis, 486 ; Cuneiform, 490. 

 Branchiata — Appendages, 238 ; Nervous 



system, 255 ; Heart, 280 ; Germ 



gland, 292. 

 Branchiobdella — Vascular system, 168 ; 



Excretory organs, 176; Generative 



organs, 189. 

 Branchiomma — Visual organs, 156. 

 Branchiopoda — Shell, 235; Gnathites, 



239 ; Branchias, 242 ; Dermal skele- 

 ton, 249; Caeca, 268; Liver, 274; 



Germ glands, 294. 

 Branchipus — Larva, 234 ; Eyes, 265 ; 



Germ glands, 294. 

 Brisinga— Rays, 196 ; Anus, 203 ; Coelom, 



216 ; Generative organs, 225. 

 Bryozoa — Form of body, 129; Gemmation, 



132; Tentacles, 134, 136; Cilia, 138 ; 



Cells, 13t>; Muscular system, 143 ; 



Nervous system, 148 ; Tactile setae, 



152 ; Alimentary canal, 161 ; Liver, 



165; Coelom, 166; Generative organs, 



179. 

 Buccinum — Siphon, 322 ; Crop, 361 ; 



Penis, 38G. 

 Bufo — Branchial arches, 471 ; Stomach, 



557 ; Testes, 612. 

 Bugs— Stomach, 272 ; Cement glands, 



303. 

 Bulla — Copulatory organs, 38 i. 

 Bullaea — Copulatory organs, 384. 

 Bursaria — Contractile vesicles, 86. 

 Buteo — Thoracic vertebras, 441; Sternum, 



443; Hind-limb, 490; Thyroid gland, 



554 ; Thymus, 555 ; Stomach, 557 ; 



Heart and vessels, 588. 



Caducibranchiata — Muscles of append- 

 ages, 498 ; Vagus, 522; External gills, 

 545 ; Cephalic arteries, 586. 



Calcispongias — Skeleton, 105 ; Amplii- 

 discs, 105 : Gastric system, 112. 



Calf— Prosencephalon, 508 ; Spinal chord 

 511. 



Callianiridas — Tentacular organ, 103. 



Calveria — Pedicellariae, 206. 



Calycozoa — Organisation of, 99. 



Calymnidas — Tentacular organs, 103. 



Calyptrasa — Branchiae, 338. 



Camelidae — Testes, 618. 



Campanularia — Tentacles, 93, 101 ; Cormi 

 of, 93 ; Tests, 104. 



Campanularige — Buds of, 95. 



Campodea— Feet, 246 ; Tracheae, 288. 



Canis — Pancreas Aselli, 600. 



Capitella — Nervous system, 149 ; Vas- 

 cular system, 170. 



Caprella— Heart, 280. 



Carabidae — Ventral chord, 254 ; stomach, 

 262 ; Ovary, 301. 



Carcharias — Spiral valve, 560; Ovaries 

 611. 



Carchesinse— Stalk, 83. 



