INDEX 



695 



Heterocoelous vertebra, 373* 



Heterodont teeth, 463* 



Heterodontus Sec ( 'extract on 



Heterostraci, 254*, 255 



Heterotis, 235 



Hr.m)ichii8, 164, 166, 167, 168, 169 



Hilaire, E. G., St., 657 



Hilus, 459* 



Hind-brain, of Craniata, 97 See Brain 



Hind kidney, 113 See Metanephros 



Hind -limb, 67 See Limbs 



Hip-girdle, of Craniata, 82 



Hippocampal commissure, of Frog, 

 277 : Lizard, 319 : Reptilia, 349 : 

 Birds, 422 : Mammals, 561 



Hippocampal sulcus, 456 



Hippocampus, 319, 349, 456 See 

 Brain 



Hippocampus (Sea-horse), 217, 234 



Hippopotami, 468, 488, 489, 501, 

 523, 524, 525, 526, 580 



Hippopotamus amphibius, 488 



Hirundinidce, 404 



Hoatzin, 403, 407, 408, 409, 613 



Hock, 489* 



Hoffman's Sloth, 495 



Holarctic region, 609 



Holoblastic segmentation, 569 



Holobranch, 86, 87* 



Holocephali, 64*, 182 : External char- 

 acters, 183 : Endoskeleton, 184 : 

 Digestive organs, 186 : Respiratory 

 organs, 187 : Heart, 187 : Brain, 

 187, 188 : Urinogenital organs, 189 : 

 Development, 190, 191 : Fossil 

 remains, 190 



Holostei, 212*, 213, 218, 221, 222, 223, 

 227, 229, 231, 232, 233, 234, 235, 238 



Hombrom, 662 



Hominidce, 473* 



Homo sapiens, 473 See Man 



Homocercal tail-fins, 194 



Homodont teeth, 463* 



Hoofs, 486 



Hook, Robert, 649 



Hooker, J. D., 662 



Hooklets, of feather, 370, 371* 



Hoopoes, 404 



Hornbills, 404, 408, 420 



Horns, of Ruminants, 487 : of Rhino- 

 ceros, 489 



Horses, 468, 488, 489, 519, 521, 525, 

 526, 527, 549, 580, 587 



House, of Appendicularia, 21* : of 

 Oikopleura, 23, 24 



Howling monkeys, 473 



Human species, 473 



Humerus, 80, 81* 



Humming-birds, 404, 423, 429 



Hunter, John, 653 



Huxley, T. H., 662, 664, 665, 668 



Hyaena, 470, 530, 580 



Hycenidce, 470, 530, 580 



Hydrochterus, 492 



Hyla, 288, 289, 293 



Hylobates, 473, 494, 581, 610, 621 



Hyoid arch, of Craniata^ 75* See 



Skull 



Hyoid bone, 80* 



Hyoid cornu, of Craniata, 76*, 77, 80 

 Hyoidean artery, 206 

 Hyoidean suspensorium, 76 

 Hyomandibular, of Craniata, 76*, 77, 



80 : Dogfish, 145 : Elasmobranchii, 



168 : Trout, 199, 200 : Teleostomi, 



223 

 Hyomandibular nerve, of Craniata, 



101, 102 See Brain 

 Hyoplastron, 335* 

 Hyostylic skull, 76* See Skull 

 Hypapophysis, 306* 

 Hyperoodon, 466, 501 

 Hypnos, 168, 171 



Hypo-branchial, of Craniata, 74, 76* 

 Hypoglossal nerve, of Craniata, 101, 



103* See Brain 

 Hypo-hyal, of Craniata, 74, 76*, 199, 



201 



Hypo-ischium, 312, 343 

 Hypophysis, ofAscidia, 19, 20 : Craniata, 



99 See Brain 

 Hypoplastron, 335* 

 Hypsiprymnus rufescens, 578 

 Hyracidce, 469, 490, 580 

 Hyracoidea, 468*, 524, 527, 549, 557, 



580, 587 



Hyrax, 469, 495, 521, 524, 556, 580 

 Hystricidce, 492 See Porcupines 



1 BIS, 403, 408 



Ibises, 403, 408 



Ichthyomyzon, 134, 139 



Ichthyophis glutinosa, 292, 301 



Ichthyopterygia, 326*, 362 



Ichthyornis, 402, 420 



Ichthyornis victor, 401 



Ichthyornithes, 402*, 411, 430, 431, 432 



Ichthyosaurus, 362 



Ichthyotomi, 163* 



Iguanas, 324, 333, 355, 358 



Iguanodon, 363, 364 



Iguanodon bernissartensis, 363 



Iguanodon mantelli, 363 



Iliac artery, 88, 90 



Iliac process, 171 



Iliac region, 82* : of Craniata See 



Limb -skeleton 

 Iliac vein, 88, 91 

 Ilium, 82* See Pelvic arch 



