CLASS I. — MAMMALIA. 
IX 
ORDER V. — Rodentia. 
Genus. 
I. Sciurus, L. 
III. 
IV. 
V. 
VI. 
VII. 
VIII. 
IX. 
XI. 
XII. 
XIII. 
XIV. 
XV. 
{ 
Subgenus. Example of Species. 
Sciurus, prop. Cuv.., Sc. vulgaris, L. Common squirrel 
Pteromys, Cuv. . . 
} Sc. volans, L. European flying 
II. Mus, L ! 
( squirrel 
. n S Sc. Madagascariensis, Gm. the 
Cheiromys, Cuv. . I . & 
J l Aye-aye 
1 Arctom s Gm $ ^ us ^lpinus, b. Marmot of the 
y ’ " \ Alps 
2. Myoxus, Gm Mus glis, L. the Dormouse 
3. Echimys, Geoff... { E J P ““ US ’ DeSm ' ^ ^ ° f 
4. Hydromys, Geoff. . . H. leucogaster, Geoff. 
5. Capromys, Desm. . . C. Fournieri, Desm. 
6. Mus, prop., Cuv. . . M. rattus, L. the Rat 
7. Gerbillus, Desm. . / Dipus tamaricinus, Gm. Tama- 
( risk rat 
o t\t ■ T? n fMus Labradorius, Sabine, La- 
8. Meriones,Fr. Cuv. , , 7 -, 
brador gerbil 
9. Cricetus, Cuv . .... .Muscricetus, L. Common hamster 
in p’i n ( Mus Zibeticus, Gm. Ondatra, or 
( Music rat oj Canada 
11. Arvicola, Cuv Mus amphibius, L. Water rat 
12. Georychus, Illig. . . Mus lemmus, L. the Lemming 
13. Otomys, Fr. Cuv... O. capensis, Fr. Cuv. 
14. Dipus, Gm Mus sagitta, L. the Jerboa 
Helamys, Fr. Cuv Dipus Caffer, Gm. Cape jerboa 
Spalax, Guldenstedt Mus typhlus, Pall. Blind rat-mole 
BathyergUS, Illig Mus capensis, Gm. Cape mole 
n r> 1 Mus bursarius, Shaw, Canada 
Geomys, Kafin { mt 
Diplostoma, Rafn D. ? Rafin. Tailless rat 
Castor, L C. fiber, L. the Beaver 
Myopotamus, Comm Mus co'ipus, Molin. the Couia 
1. Hystrix, prop. Cuv.. H. cristata, L. Crested porcupine 
2. Atherures, Cm . . t H - fasciculata, Brush-tailed V or- 
{ cupme 
3. Eretisons, Fr.Cuv. | H ' dorsata ’ Gm ’ Cmada porcu " 
( pine 
4. Synetheres, Fr. ( H. prehensilis, L. the Coendou 
{ Cuv. \ or Prehensile-tail porcupine , 
1 . Lepus, prop. Cuv. . . L. timidus. L. the Common hare 
2. Lagomys, Cuv. . . j Le P; P" sillus > PalK the CaUing 
Hydrochserus, Erx Cavia capybara, L. the Capybara 
Cavia, Illig C.cobaya, Pall, the Guinea-pig 
Dasyprocta, Illig / D - acuti ’ I1L the A S outi > ™ Lon g~ 
° ( nosed cavy 
Coelogenys, Fr. Cuv Cavia paca, L. the Paca 
X. Hystrix, L. 
Cuvier suggests that the Chinchilla, the furs of which arrive in 
such quantities in these countries, should, from its evident connection 
with the cavies, come at the end of this order. Nothing but want of 
h 
