XXX DIV. I. VERTEBRATA. 



ORDER III. — Ophidia (continued). 



Family. Genus. Subgenus. Example of Species. 



/ VI. AcrochorduS, Hornstedt A. Javensis, Lacep. 



TTTT /-^ i. 1 r f C. horridus, \j. American rat- 



VII. Crotalus, L | ^;^^„„^.^ 



-iTTTT Ti • 11 r\ 1 fCol. Tisiphone, Sh. Brown 



VIII. Trigonoceplialus, Oppe/ | ^,.^^^^ /r:„,,Ze«a 



'' 1. Vipera, prop. C«y. .Col, berus, L. Common viper 



„ ,, . ( Col. naia, L. the Cobra di ca- 



2. Naia { ,, ' 



I pello 



3. E\aps, Schn.{in part)E. lemniscatus, Cuv. 



4. Microuros, JFagZfr..M. Spixii, Wayler 



JX. Vipera I ^- Platouros, Za^ Col. laticaudatus, L. 



DaiuL. { 6. Trimei-esouros, ^ t. leptocephalus, Lacep. 

 Lacep S 



7. Oplocephalus, Cuv..O. Cuvieri, Gray 



8. Acanthophis, \ A. cerastinus, Daud. Hor?ied 

 Baud ^ viper 



9. Echis, Merrem Boa horatta, Sh. 



^10. hd,ns,shd.,Brugnieresh. Madagascariensis, Lacep. 



( Boa. fasciata, Schn. the Ring- 

 X. Bungarus, Daud. (in part) . . <^ ed bungarum-pamma of Ben- 



r \. Hydiophis, J)ai(/f . . Hydrus curtus, Sh. 



XI. Hydrus, I 2. Pdamides, Baud. \ ^'^t^' '^'^°^°^"' ( ^ | 



I 3. Cheisydrus, i Hydrus granulatus, I '^ S 



V<^^-i"" ^ Cuv...... \ Schn.^ ■> "= 



III. Naked l t P T 7" fCasc. annulata, Spix, Annu- 



Serpents ]-'^' '-^"^^'^' ^^ \ Med ccecilia. 



ORDER IV.— Batrachia. 



This order is divided by Mr. Gray (see Synopsis at the end of 

 oiu* ninth volume) into two very natural orders or families, accord- 

 ino- as they do or do not undergo metamorphosis. Cuvier has indi- 

 cated the same division, and has then proceeded to subdivide them 

 as follows : — 



Genus. Subgenus. Example of Species. 



\. Rana,prop. LaurenfiR. temporaria, L. Commonfrog 



2. Ceratophris, Bote . .Ranacornuta,Seb. i/orwerf/rog 



3. Dactylethra, C?(z;. . .Pipa leevis, Merrem. 



4. Hyla, Laurenti. . . .Ka-w, arborea, L. Tree frog 

 I. Rana, L «^ 5. Bufo, Laurenti . . . .Ran. bnfo, L. Common toad 



6. Bombinator, Me?-- /Ran. bombina, Gm. Yelloiv- 

 rem \ bellied toad 



7. Oxyrhynchus, f Bufo proboscideus, Spix, Zo«g- 

 Spix \ 7iosed toad 



