254 



ANIMAL FORMS 



Glires, 232. 



Gnat, 122. 



Gonionemua vertens (illus.), 34. 



Goose barnacle (illus.), 96. 



Gordius, 54. 



Gorilla (illus.), 245. 



Grasshopper (illus.), 117. 



Grebe, 209. 



Green gland, 108. 



Grouse, 218. 



Grus americana (illus.), 212. 



Gull, 211. 



Habitat (habitare, to dwell), 45. 



Hagfish, 157. 



Halicetus leucocephalus (illus.), 

 220. 



Halidystus (illus.), 39. 



Harvestman, 135. 



Hawks, 219. 



Helix (illus.), 81. 



Heloderma suspeclum (illus.), 192. 



Hemiptera, 121. 



Heptacarpus brevirosfris (illus.), 

 101. 



Hermit-crab (illus.), 102. 



Herodines, 215. 



Herons, 215. 



Herring, 163. 



Homo sapiens, 245. 



Honey-bee, 130. 



Hoofed animals, 237. 



Horned toads, 192. 



Hornet, 132. 



Horse-fly (illus.), 119. 



Horsehair-snake, 54. 



Horseshoe-crab (illus.), 139. 



Humming-bird (ilhis.), 222. 



Hydra, structure of, 29 ; multipli- 

 cation of, 31 ; regeneration of, 

 51. 



Hydractinia (illns.), 36, 103. 



Hydranth, 33. 



Hydrozoa, 34 ; regeneration of, 51. 

 Hymenoptera (illus.), 128. 

 Hystrix cristata (illus.), 233. 



Incubation (incumbo, to rest upon), 



207. 



Infusoria, 17. 

 Insectivora, 234. 

 Insects, numbers, 114; anatomy, 



115 ; respiration, 117. 

 Isopod (illus.), 101. 



Jelly-fish, of Hydrozoa, 33 ; of Scy. 



phozoa, 37. 

 Julus (illus.), 112. 



Kangaroo, 232. 

 Katydid, 117. 

 Keyhole-limpet, 82. 

 King-crab (illus.), 139. 

 Kingfisher, 221. 



Lacertilia, 185, 

 Lamellibranch (illus.), 72. 

 Lamellirostres, 213. 

 Lamprey (illus.), 157. 

 Lamp-shell (illus.), 70. 

 Lancelot (illus.), 157. 

 Lasso-cell, 30. 

 Leeches (illus.), 63; haunts and 



habits, 64. 

 Lemur, 243. 

 Lepas (illus.), 99. 

 Lepidoptera (illus.), 125. 

 Lepomis megalotis (illus.). 167. 

 Leptoplana (illus.), 45. 

 Lice, 122. 

 Life histories and race histories, 



27. 



Limicolae, 216. 

 Limuhis polyphemus (illus.), 139. 



