INDEX. 



301 



Page 



Heretlity 283 



HerpeMfs 1 79 



Herod'iones 139 



Hermit-crab 196 



Heterocercal 19, 73 



Herring 60 



Hesperornift 123 



Hessian-fly 216 



Hawkmoth 216 



Heteronomous 193 



Helerodon 114 



Half-gill (demibranch) 72 



Halibut 70 



Halteres 215 



Halisarca 251 



Halicore 167 



Hapah 189 



Uaplocerus 179 



Harp seal 181, 283 



Hatteria 100, 10(5 



Hag-fish {Mi/xine) 79 



Head, MoUiisca 228 



Heart mammals 158 



of Catfish 44, 45 



of Menobrauch 87 



of Turtle 104 



of Crocodile 116 



Hedge- hog 183 



Heliosphtcra 255 



Heliozoa 255 



Heteropoda 235 



Heterojylcra 213 



Hetercecism 224 



Heterodera 224 



Hippocampus 63, 65 



Hippopotamus 174 



Hinge in Lamellibranchs 228 



in Brachiopods 239 



Hirudo 232 



Hippo>ipo)>gia 252 



Histology '. 16, 264 



Holotricha 259 



Holostei 73 



Holothuroidea 243 



Homonomy 210, 218 



Homarus 192 



Homologous 10 



Hystrix 183 



Homocercal 19 



Hoopoo 141 



Page 



Honeycomb-stomach 176 



Horizontal plane 10 



Horse-flies 216 



Horns 178 



Horse 173 



Hoiaoptera 213 



Horned-toad 107 



Huanaco or Guanaco 177 



Humerus 85, 150 



Hi/cemoschus 174 



Hj/aena 236 



Hyalonema 251 



Hybernation 184, 186 



Hydroduerus 184 



Hyoid of M ammals 1 49 



Hydra 245 



H ydrachna 204 



Hydathia 223 



Hydrozoa 245 



Hydrorhiza 246 



Hydrophis 113 



Hiidrocores 213 



Hiilobates 189 



Hyla 96 



Hymenoptera 216 



Hyomandibular 24 



Hyodon 66 



Hypobranchials 26 



Hj'pophysis "0, 152 



Hypohyal 25 



Hypoblast 49 



Hypopharynx 217 



Hypodermis 195, 219 



Hypotricha 260 



Hyracoidea 1 70 



Ihex 179 



Ibis 139 



Ichthyornis 124, 135 



Ichthyobdella 222 



Ichthyopferyyia 117 



Ichthyosaurus 117 



Ichthyopsida 99 



Ichthitlurus 54 



Ichneumon (Mammalia) 179 



(Insecta) 217 



If/uann 107 



lijuanodon 118 



Ileo-coecal valve 39 



Ictalurus 54 



