248 



INDKX 



Dromatherium, 18. 193. 

 Dryolestes, '23, 27, .SO, 218, 220. 

 Duplicidentata, 148. 



Ectoloph, 73. 

 Edentata, 13, 151. 

 Elephas, 188. 



Embryologioal order of cusp develop- 

 ment, 54, <>4, 77. 

 Embryology of molars, 77, 208. 

 Embryological theory, 6, 54, 214. 

 Enamel folds, 183. 

 Enneodon, 28. 

 Equidae, 175. 

 Entoconid, 41, 89. 

 Eocene Mammals, 98. 

 Ericulus, 120, 121, 123. 

 Erinaceus, 117, 118, 123*. 

 Eskimo, teeth, 55, 62. 

 Esthonyx, 151. 

 Eupleres, 122, 123. 

 Euprotogonia, 83, 169. 

 Eutheria, 11, 100. 



Fissipedia, 12. 



Fleischmann, 204. 



Forsyth Major, 4, 145, 149, 205. 



Fossettes in molars, 73. 



Fruit-bats, 129. 



Galeopithecus, lli. 



Ganodonta (Tjeniodonta), 152, 154. 



Gidley, 123-126, 219. 



Gomphognathus, 92. 



Goodrich, E. S., 2llli. 



Grinding teeth, 9. 



Gymnura, 118, 21(1. 



Haplodont, 89. 



Haplodont type, 39. 



Hares, 148. 



Heel or talon, 67. 



Hemicentetes, 120, 122, 123. 



Homalodotheria, 16. 



Homodont teeth, 43 2 . 



Homogeny, 231. 



Homologies, disputed, of cusps, 123-126, 



209-213, 219, 224, 225. 

 Homoplasy, 228, 232. 

 Horses, 72, 174-178. 



Human molar teeth, 54, 55, 56-59, 62-65. 

 Hyopsodus, 12S. 

 Hypocone, 68*, 89. 



Hypoconid, 89. 



Hypoconulid, 41, 81, 89. 



Hypolophid, 73. 



Hypsodonty (hypselodonty), 183. 



Hyracoidea, 15, 185. 



Hyracotherium, 83. 



Ictops, 118. 



Insectivora, 1, 12, 117, 223. 

 Insectivora primitiva, 12. 

 Isognathism, 43*. 



Jaws, anisoguathous, 215 ; isogJiathous, 



43. 

 Jurassic mammals, 94, 219. 



Kangaroos (Macropus), 112, 114. 

 Kukenthal, 6, 57. 

 Kurtodon, 26. 



Laodon, 29. 

 Lambdotherium, 175. 

 Lankester, 232, 238. 

 Laramie mammals, 96, 115. 

 Lemuroidea, 14, 157. 

 Leptocladus, 24, 29. 

 Listriodon, 188. 

 Litopterna, 16. 



-lo[jh (proto-, meta-, ecto-), 163. 

 Lophiodonts, 86. 

 Lophodont, 163, 181. 

 Lophoselenodont, 163. 



Maim, 204. 



Major, Forsyth, 4, 145, 149, 205. 



Mammalia classification, 11. 



Mammals, Eocene, 37. 



Mammals, Jurassic, 94, 219. 



Mammals, Laramie, 96. 



Mammals, Mesozoic, 18-35, 37-44. 



Mammals, reptilian ancestors, 91, 100 



Man, 6, 54-59, 62-65, 158. 



Marsupialia, 11, 94, 108. 



Mechanics of molars, 43, 44, 60, 61*, 



82*, 113, 221. 

 Menacodon, 25. 

 Meniscoessus, 102, 106. 

 Meniscotherium, 87, 184. 

 Merychippus, 75. 

 Mesonyx, 79, 134, 142, 216. 

 Mesostyle, 85, 89. 

 Metacone defined, 41. 

 Metaconid defined, 41. 



