INDEX. 



G33 



Encopidse — Marginal vesicles, 110. 

 Eudendriuin — -Tentacles, 93, 101 ; Cormi, 



94; Figure of, 94; Tests, 104. 

 Eunice — • Appendages, 136 ; Vascular 



system, 169 ; Generative orgaas, 190. 

 Euuiceidce — Longitudinal nerve-trunks, 



149. 

 Euphausia — Eye, 264. 

 Euplectella — -Skeleton, 106. 

 Euplotes — Carapace, 83. 

 Euryalida — Arms, 196; Integument, 



203. 

 Eurylepta — -Alimeutary canal, 158. 

 Eurystomata — Auditory organ, 538 ; 



Columella, 538. 



Fabricia — Auditory organs, 156. 



Falco— Eye, 529. 



Fibrospongiaj — Skeleton, 106. 



Firolidae — Kidney, 377. 



Fishes — Corium, 417 ; Tegumentary 

 glands, -420 ; Vertebral column, 129 ; 

 Articular processes, 437; Ribs, 438 ; 

 Hind-limb, 487 ; Intercostal muscles, 

 496 ; Muscles of branchial skeleton, 

 497 ; Do. of paired appendages, 498 ; 

 Electric organs, 500 ; Cerebellum, 

 505 ; Medulla oblongata, 505 ; Ar- 

 achnoid, 513 ; Spinal nerves, 514 ; 

 Olfactory nerve, 515 ; Vagus, 517 ; 

 Visceral nervous system, 523 ; Beards, 

 524; Olfactory organs, 525; Eye, 

 528; Optic bulb, 529; Lens, 531; 

 Eyelids, 532 ; Labyrinth, 535 ; 

 Branchial pouches, 542 ; Enteron, 

 555; Oesophagus, 556; Liver, 561; 

 Mesentery, 565 ; Air-bladder, 567 ; 

 Heart, 577; Bulbus arteriosus, 578; 

 Branchial artery, 578 ; Carotids, 

 578 ; Arterial arches, 579 ; Aorta, 

 579 ; Arterias intercostales, 589 ; 

 Venous system, 590; Ductus Cuvieri, 

 590 ; Jugular veins, 590 ; Cardinal 

 do., 590; Caudal do., 590; Portal 

 system, 590 ; Renal portal system, 

 590 ; Inferior vena3 cava?, 593 ; 

 Lymph sinuses, 598 ; Lymphatic 

 hearts, 599 ; Lymphatic glands, 600 ; 

 Ova, 609; Sperm, 609; Efferent 

 ducts, 610. 



Fissurella — Branchiae, 337; Heart, 371; 

 Excretory organ, 377 ; Generative 

 glands, 385. 



Flagellata — Protoplasm, 76. 



Flea— Ovary, 301. 



Flies — Nervous system, 257. 



Flustra— Hind-gut, 161. 



Foraminifera — Protoplasm, 76; Shells, 

 81. 



Forficulidce— Elytra, 247. 



Formica — Masticatory stomach, 272. 



Fowl — Hyoid, 472 ; Brain, 507 ; Auditory 

 organ, 533 ; Stomach, 557 ; Develop- 

 ment of arteries, 587. 



Frog — Vertebral column, 433 ; Brain, 

 505; Branchial plexus, 514; Cephalic 

 arteries, 586 ; Arterial system, 586 ; 

 Renal veins, 59 1. 



Fungiaj — Colonies, 100; Skeleton, 106. 



Gadus — Skull, 452 ; Shoulder-girdle, 475. 



Galeodea — Nervous system, 256; Ganglia, 

 256; Digestive organs, 270; Lungs, 

 291 ; Generative organs, 297. 



Galeus — Ovaries, 610. 



Gallinse — Ca?ca, 562. 



Gammarus — Heart, 280. 



Ganoi'dei — Vertebral column, 429 ; Trans- 

 verse processes, 431 ; Fin rays, 432 ; 

 Ribs, 439 ; Cartilaginous cranium, 

 450; Mandibular apparatus, 453; 

 Operculum, 455 ; Shoulder-girdle, 

 475 ; Thoracic fin, 478 ; Pelvic-girdle, 

 4S4; Ventral fin, 487; Olfactory 

 lobes, 504; Thalamencephalon, 504 ; 

 Sinus rhomboidalis, 505 ; Medulla 

 oblongata, 505 ; Optic nerves, 517 ; 

 Ciliary processes, 530; Spiracle, 537; 

 Spiracular cleft, 543; Teeth, 550; 

 Enteron, 555; Spiral valve, 560; 

 Air-bladder, 567 ; Conus arteriosus, 

 578; Aorta, 585; Kidneys, 604; 

 Mullerian ducts, 610; Cloaca, 619. 



Gasteropoda— Velum, 319 ; Foot, 321, 323 ; 

 Mantle, 322 ; Siphon, 322 ; Tentacles, 

 326, 352; Integumentary glands, 329; 

 Shell, 332; Operculum, 335 ;Branchia3, 

 337 ; Internal skeleton, 341 ; Cerebral 

 ganglia, 347 ; Buccal ganglia, 351 ; 

 Olfactory organs, 352 ; Visual or- 

 gans, 353 ; Auditory organs, 356 ; 

 Alimentary canal, 358 ; Jaws, 360 ; 

 Circulatory centres, 368, Auricles, 

 369, 373 ; Heart, 371 ; Vessels, 371 ; 

 Blood-fluid, 375 ; Excretory oi'gau, 

 377 ; Generative organs, 381 ; Effe- 

 rent ducts, 382. 



Gasterostonium— Pharynx, 158. 



Geckotidoe — Teeth, 551. 



Geophilus — Nervous system, 225. 



Gephyrea — Incomplete metamerism, 310 ; 

 Respiration in, 136 ; Integument, 

 136; Cilia, 137 ; Dermal glands, 111 ; 

 Cerebral mass, 148; Alimentary 

 canal, 161 ; Vascular system, 170 ; 

 Excretory organs, 174; Generative 

 organs, 189. 



Gerardia — Generative organs, 122. 



Geryonida3— Nervous system, 109 ; Mar- 

 ginal vesicles, 110. 



Glomeris — Enteric canal, 271 ; Trachea), 

 2SS. 



Glycera — Visceral nerves, 151 ; Vascular 

 system, 170. 



Glyceridaj — Blood-corpuscles, 172. 



Guathostoma — Nerve-fibres, 33; Cranium, 

 447; Lower jaws, 448 ; Palato-quad- 

 rate, 448 ; Dermal muscles, 492 ; 



