GENERA OF MAMMALIA. 
xxm 
Thylamys, Gray . . Page 101 
Peramys, Lesson 9 
Chironectes, Illig. 
Fam. 5. Phocidce. 
a . Stenorynchina. 
Pelagius, F. Cuv. 
Stenorhynchus, F. Cuv. 
Leptonyx, Gray . . . .102 
b . Phocina. 
Phoca, Linn. . . . . .102 
Calocephalus, part, F. Cuv . 
Calocephalus, part, F. Cuv . 
c. Trichecina. 
Halichcerus, Hornsch ., Nil- 
son 102 
Trichecus, Linn 102 
Odobenus, Brisson. 
Rosmarus, Scopoli. 
d. Cystophorina. 
Cystophora, Nilson. 
Stemmatopus, F. Cuv. 
Morunga, Gray . . . .103 
Macrorhinus, F. Cuv. 
Rhinophoca, Wagler. 
e . Otariarina. 
Otaria, Per on 103 
Otoes, G. Fischer. 
Platyrhynchus, F. Cuv. 
Arctocephalus, F. Cuv. . .103 
Order III. Cete. Linn. 
* Cete. 
Fam. 1. Balcenidce. 
Balaena, Linn., Lacep. . .104 
Balaenoptera, Lacep. . . .104 
Mysticetus, Wagler. 
Catodon, Lacep. 
Physalus, Lacep. 
Physeter, Linn 104 
Cetus, Brisson. 
Fam. 2. Delphinidce. 
JDelphinus, Linn. . . 104, 105 
Tursio, Gray 105 
Delphinorhynchus, Lacep. 
Beluga, Gray 106 
Phocsena, Cuv., Gray . . 106 
Grampus, Gray . . . .106 
Globiocephalus, Lesson. 
Cetus, Wagler. 
Beluga, Gray. 
Delphinapterus, Lacep. 
Delphi s, Wagler. 
Inia, D'Orbign. 
Orca, Wagler. 
Heterodon, Blainv. 
Platanista, Gray, Wagler P. 106 
Susu, Lesson . 
Monodon, Fab., Linn, (not 
Sw.) ...... 106 
Ceratodon, Briss., Illig. 
Diodon, Storr (not Linn.). 
Narwhalus, Lacep. 
Ancylodon, Illig. 
Anarnacus, Lesson. 
Uperoodon, Lacep. 
Uranodon, Illiger. 
Nodus, Wagler. 
Aodon, Lesson. 
Ananareus, Lacep. 
PEpiodon, Bafin. 
? Oxypterus, Rajin. 
** Sirenia. 
Fam. 3. Manatidce. 
Manatus, Rondel, G. Cuv. . 107 
Trichecus, Linn. 
Manati, Bodd. 
Fam. 4. Halicoridce. 
Halicore, Illig 107 
Rosmarus, Bodd. 
Dugungus, Tiedem. 
Dugong, Lacep. 
Fam. 5. Rytinada. 
Rytina, Illig. 
Stellerus, F. Cuv. 
Hydrodamalis, Retz. 
Order IV. Glikes. 
Fam. 1. Muridce. 
a. Murina . 
A can thorn ys, Gray. . . .108 
A corny s, I. Geoff. Mss. 
Acanthomys, part, Lesson. 
Mus, Linn. . . . 108-112 
Micromys, Selys 112 
Ilesperomys, Waterh. 
Phyllotis, Waterh. 
Scapteromys, Waterh. 
