CLASS I. — MAMMALIA, 



IX 



ORDER v.— RODENTIA. 



I. Scmrus, L. 



III. 



IV. 



V. 



VI. 



VII. 



VIII. 



IX. 



2. Pteromys, Cuv. . 



3. Cheiromys, Cwy. 

 L Arctomys, Gm. . 



II. Mus,L 



Genus. Subgenus. Example of Species. 



^ 1. Sciurus, prop. Cwi;.. Sc. vulgaris, L. Common squirrel 

 ^ Sc. volans, L. European flying 

 I squirrel 



\ Sc. Madagascariensis, Gm. the 

 X Aye-aye 



^ Mus Alpinus, L. Marmot of the 

 I Alps 



2. Myoxus, Gm Mus glis, L. the Dormouse 



3. Echimys, Geoff... j^" ^f^^^"^^' ^esm. Spiny rat of 

 ' ' ■" L Azzara 



4. Hydromys, Geoff. . . H. leucogaster, GeofF. 



5. Capromys, Desm. . . C. Fournieri, Desm. 



6. Mus, prop., Cuv. . . M. rattus, L. the Rat 



n r^ u-ii r. f Dipus tamaricinus, Gm. Tama- 



7- Gerbillus, Desm. . -J ^. , , 

 (^ ?7^A: rat 



,, . IT' /^ fMus Labradorius, Sabine, La- 



mexiones, Fr. Cuv. < , , ,-, 



t braaor gerbit 



Cricetus, C«w Muscricetus, L. Common hamster 



p., ^ f Mus Zibeticus, Gm. Ondatra, or 



' \ Musk rat of Canada 



Arvicola, Cuv Mus amphibius, L. Water rat 



12. Georychus, Illig. . . Mus lemmus, L. the Lemming 



13. Otomys, i^r. Ci(y. .. O. capensis, Fr. Cuv. 

 ^14. Dipus, Gm Mus sagitta, L. the Jerboa 



Helamys, Fr. Cuv Dipus CafFer, Gm. Cape jerboa 



Spalax, Guldenstedt Mustyphlus.Pall. BUndrat-mole 



BathyergUS, Illig Mus capensis, Gm. Cape mole 



n> n j: S Mus bursarius, Shaw, Canada 



Geomys, Rafin | ^.^^^ 



Diplostoma, Rajin D. ? Rafin. Tailless rat 



Castor, L C. fiber, L. the Beaver 



Myopotamus, Covim I\Ius coipus, Molin. the Coiiia 



f 1. Hystrix, prop. Cmi'.. H. cristata, L. Crested porcupine 



I ,, .,, ri ( H.f-dsclculata, Brush-tailed por- 



1 2. Atherures, Cuv.. < . ' '^ 



J ( cupme 



o r- ..• p /o f H. dorsata, Gm. Canada porcu- 



3. Eretisons, Fr. Cmi'. -( . ' ^ 

 ( pine 



4. Synetheres, Fr. ( II. prehensihs, L. the Coendou 

 Cuv. \ or Prehensile-tail porcupine, 



J 1. Lepus, prop. Cuv.. . L. timidus. L. the Common hare 

 I 9 T no■nm^7c c,,^, / Lep. pusiUus, Pall, the Calling 



X. Hystrix, Z. 



XI. Lepus, L 



V 



\ 4 



XII. 

 XIII. 

 XIV. 



XV. 



Lagomys,C.t-...{' ^^^^^^ 



Hyclrochserus, Erx Caviacapybara, L. the Capybara 



Cavia, Illig C. cobaya, Pall, the Guinea-pig 



Dasyprocta, Illiff / D. acuti, 111. the ^o-o^^/, or Aowg- 



*^ -^ ° (. 7iosed cavy 

 Coelogenys, Fr. Cuv Cavia paca, L. the Paca 



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 



