il 
Delphinus—continued. 
malayanus, 60. 
roseiventris, 59. 
Dendrolagus, 247. 
dorianus, 247. 
inustus, 247. 
Zumholtzi, 247. 
ursinus, 247. 
Didelphyidx, 277. 
Didelphys, 278. 
americana, 281. 
lanigera, 280. 
marsupialis, 278. 
murina, 281. 
nudicaudata, 280. 
opossum, 281. 
philander, 280. 
quica, 280. 
sorex, 281. 
unistriata, 281. 
Dinomys, 179. 
Dipodidx, 109. 
Dipodomys, 152. 
Diprotodon, 253. 
Dipus, 114. 
Distechurus, 262. 
Dolichotis, 182. 
Dolphins, 36, 48, 59. 
Amazonian, 39, 62. 
Bottle-Nosed, 60. 
Brazilian, 62. 
Camerun, 63. 
Cape, 59. 
Shinese, 63. 
Common, 58. 
Dussumier’s, 59. 
Fresh- Water, 36. 
Gangetic, 37. 
Heaviside’s, 49. 
Irawadi, 49. 
Killer, 51. 
La Plata, 40. 
Long-Beaked, 62. 
Malayan, 60. 
Narwhal, 41. 
Pale, 62. 
Plumbeous, 62. 
Red-Bellied, 59. 
Risso’s, 55. 
Rough-Toothed, 61. 
Short-Beaked, 56. 
Slender, 60. 
Speckled, 61. 
True, 68. 
Tucuxi, 62. 
W hite-Beaked, 57. 
White-Sided, 57. 
Dorcopsis, 247. — 
luctuosa, 247. 
muelleri, 247. 
Dormice, 104. 
African, 109. 
Common, 105. 
Extinct, 109. 
Garden, 108. 
Squirrel-Tailed, 107. 
Tree, 108. 
Dromicia, 261. 
Duckbill, 284. 
Echidna, 287. 
Echidnas, 286. 

INDEX. 
Kchinomys, 162. 
Edentata, 202... 
Egg-Laying Mammals, 283. 
Ellobius, 139. 
Erethizon, 163. 
Eschrichtius, 13. 
Eucholeops, 209. 
Eucetus, 29. 
Euchoretes, 113. 
Eupetaurus, 89, 93. 
Eutherians, 283. 
Fiber, 137. 
reomytdex, 150. 
Geomys, 150. 
Georychus, 149. 
Gerbillus, 119. 
Globiocephalus, 53. 
melas, 53. 
scammont, 54. 
Glyptodontide, 225, 
Golunda, 146. 
Gophers, 79. 
Grampus, 51. 
Granupus, 55. 
Guinea-Pig, 180. 
Gundi, 155. 
Gymnobelideus, 261. 
Habrocoma, 156. 
Hamsters, 123. 
Hapatotis, 147. 
Haplodon, 94. 
major, 94. 
rufus, 94. 
Haplodontidx, 94. 
Hares, 192. 
Ieterocephalus, 149. 
Heteromys, 153. 
Hutias, 159. 
Hydrocherus, 185. 
Hydromys, 118. 
Hyperoodon, 30. 
Hypogeonys, 128. 
Hypsiprymnodon, 252. 
Hystricidx, 162. 
Hystriz, 166. 
afre-australis, 167. 
bengalensis, 167. 
cristata, 166. 
leucura, 167. 
Ichthyomys, 126. 
Implacentals, 283. 
Inia, 39. 
Iniopsis, 41. 
Jerboas, 109, 114. 
Jumping Hare, 116. 
Jumping Mice, 109, 110. 
Kangaroos, 240. 
Kangaroo-Rats, 152. 
Killers, 51. 
Koala, 263. 
Lagenorhynehus, 56. 
acutus, 57. 
albirostris, 57. 
crucigera, 57. 

Lagidiwm, 170. 
Lagomyide, 190. 
Lagomys, 190. 
alpinus, 190. 
ladacensis, 191. 
roylet, 191. 
Lagorchestes, 246. 
conspiciilatus, 247. 
hirsutus, 246. 
leporoides, 246. 
Lagostomus, 171. 
Lagostrophus, 249. 
Lemmings, 134. 
Leporidx, 189, 192. 
Lepus, 192. 
zxgyptius, 197. 
americanus, 196. 
brasiliensis, 193, 196. 
campestris, 196. 
capensis, 197. 
crassicaudatus, 197. 
cuniculus, 197. 
europxeus, 193. 
hispidus, 197. 
hypsibius, 197. 
nigricollis, 196. 
nitschert, 197. 
ovostolus, 197. 
ruficaudatus, 196. 
saxatilis, 197. 
sylvaticus, 196. 
tibetanus, 197. 
timidus, 195. 
Loncheves, 162. 
Lophionys, 128. 
Lysiurus, 222. 
Macropodidx, 238. 
Macropus, 240. 
antilopinus, 241. ° 
billardieri, 242. 
brachyurus, 242. 
brunti, 242. 
giganteus, 241. 
parryi, 242. 
robustus, 241. 
ruficollis, 241. 
rufus, 241. 
theditis, 242. 
walabutus, 241. 
Manidex, 226. 
Manis, 226. 
aurita, 228. 
gigantea, 230. 
javanica, 228. 
macrura, 229. 
pentadactyla, 
teminincki, 23 
tricuspis, 229. 
Mara, 182. 
Marmots, 83. 
Marsupials, 235. 
Mastacomys, 147. 
Megalonyx, 208. 
Megamys, 175. 
Megaptera, 14. 
Megatheriidx, 208. 
Mesoplodon, 33. 
bidens, 34. 
layardi, 35. 
Metatherians, 283. 
Mice, 139. 
28. 
2 
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