INDEX 



323 



Glenoid cavity, 252, 304 



Glossa, 82 



Glottis, 190, 238 



Gonads. See Reproductive organs 



Orantia, 14, 316 



Green gland, 90, 102 (crayfish) 



Gregarines (Sporozoa), 316 



Gullet. See (Esophagus 



Gut, 82 (fore-gut), 84, 104 (hind-gut) 



Gymnomyxa, 316 



H 

 BCaiMAi, arch, 154 

 Hallux or great toe, 190, 256 

 Hand. See Manus 

 "Hare-lip," 266 



Head, 46, 48, 74, 78, 114, 124, 266 

 Head lobe or cephalic cone, 40 

 Heart : Cockroach, 82 ; crayfish, 104, 108 ; 



snail, 116; mussel, 134, 136; dogfish, 166, 



168 ; skate, 170 ; frog, 194, 196, 202, 212 ; 



pigeon, 244, 246 ; rabbit, 268, 276, 280, 282 

 " Hearts," 56 



Helix, 114-124, 316. See Snail 

 Hepatic caeca, 82 ; sinus, 168 

 Hepatic-portal system, 270, 272 

 Hermaphrodite, 28, 40, 48, 58 

 Hermaphrodite duct, 120 

 Hermaphrodite gland, l20 

 Heterocercal tail, 152, 154, 316 

 Heterocoela, 20, 22, 316 

 Heterocoelous. See Vertebra 

 Heterodont teeth, 312 

 Hilus, 286 

 Hind-brain (metencephalon or rhombencephalon), 



178 

 Hind-gut or proctodseum, 84, 104 

 Hind-limb, 190, 220, 236, 256, 258, 268, 310 

 Hinge of shell, 126, 130 

 Hip-joint, 310 



Hirudinea or Discophora (Leeches), 316 

 Hirudo, 64-72, 316. See Leech 

 Holotricha, 316 

 Homoccela, 18, 316 

 Hooks, 48, 52 



Humerus, 218, 252, 304, 306 

 Hydra (Fresh-water Polyp), 26-32 ; form and 



external features, 26 ; structure, 28-32 ; 



longitudinal and transverse sections, 26, 28, 



30; 316 

 Hydrozoa, 316 

 Hyoid, 176, 292 

 Hyomandibular, 176 

 Hypapophysis, 302 

 Hypopharynx, 82 

 Hypophysis, 178 

 Hyporachis or aftershaft, 236 

 Hypostome or oral cone, 28 



Ileum (small intestine), 82, 194, 270, 272 

 nium, 218, 254, 308 

 Incisor teeth, 296, 316 

 Incus, 312 

 Infundibulum, 176 

 Infusoria, 6, 32, 316 

 Inguinal canal, 288 



Inhalent canals, 14, 16, 18, 20; pores, 14, 16: 

 siphon, 126, 134 



Irfnominate bone, 256, 308 



Insecta (Insects), 316 



Integument or skin, 152, 154, 188 



Interfilamentar junctions, 132 



Interlamellar junctions, 132 



Internasal septum, 312 



Interorbital septum, 312 



Interparietal, 292 



.Interseptal cavity, 36 



Interstitial cells, 28 



Intervertebral disc, 220 ; notches, 302 



Intestine : Liver-fluke, 40, 44 ; earth-worm, 56, 



60; leech, 66; crayfish, 104; snail, 118; 



mussel, 138; Amphioxus, 144, 150. See 



Alimentary system 

 Intestine, large, 82, 158, 194 ; small, 82, 158, 



194, 270, 272 

 Intraseptal cavity, 36 

 Invertebrata, 316 



Investment or membrane bones, 292 

 Ischiopodite, 98 

 Ischium, 218, 254, 310, 314 



Jasus, 88-112, 316. See Crawfish 



Jaws, 64, 66, 78, 124, 152, 154 ; upper and lower, 



176, 224, 262, 264, 292, 296, 312 

 Jugal, 262, 296 



K 



Kbber's organ, 134 



Keel. See Carina 



Kerona, 32 



Kidney, 116, 134, 136, 162, 214, 242, 250, 270, 



286 

 Knee-pan. See Patella 



Labial palp, 82, 134 



Labitim or lower lip of cockroach, 80, 82 



Labrum or upper lip, 78, 80 (cockroach), 104 

 (crayfish) 



Lachrymal bone, 260, 294 



Lacinia, 80, 82 (cockroach) 



Lamella, Supporting. See Mesogloea 



Lamellae, 132 



Lamellibranchiata or Pelecypoda (Bivalves), 

 132, 316 



Lancelet. See Amphioxus 



Larva of Cape Crawfish (Jasus), 110, 112 



Larynx, 190, 244, 274 



Lateral line, 152, 184 



Laurer's canal, 42 



Leech {Hirudo), 64-72; external features, 64, 

 68 ; alimentary and vascular systems, 66, 68 ; 

 nervous and reproductive systems, 68 ; trans- 

 verse section, 70; nephridium, 68, 70, 72; 316 



Leg, 82, 88, 98, 190, 268, 310 



Lepus, 266-314, 316. See Babbit 



Leucilla, 22, 316 



Leucon sponge, 20 ; transverse section, 22; 316 



Leucosolenia, 14, 18, 316 



Ligament, falciform, 158, 160 ; suspensory, 160, 

 162 



Ligula, 82 (cockroach) 



Limb. See Appendages, fore-limb (arm), hind- 

 limb (leg) 



