Barnes on Batracian Animals and doubtful Reptils. 269 
MeETHODICAL TABLE OF THE FourTH ORDER. 
Aagerrpnaee = Ss. 
Fist Diyiston.— 
NosTRILS, BUT NO SPIRACLES. 
* Branchie and tail deciduous. 
(a) No teeth in either jaw. 
1 Genus.—Bufo. 
2 Genus. —Pipa. 
(b) ‘Teeth in fag upper jaw. 
3 Genus.—Hyla, 
Genus.—Rana. 
* * Branchie deciduous, tail persistent. 
(c) Teeth in both jaws. 5 
5 Genus.—Salamandra. zi 
. 
Srconp Diviston.— 
NOSTRILS AND SPIRACLES. 
* * * Branchial opercula and tail persistent. 
= enus.—Menopoma.. ” cee 
23 7 Genus.—Amphiuma = 
* * * * Branchie and tail persistent. 
(a) Opercula subdivided. 
8 Genus.—Siren 
§ Divisions simple. 
Species.—-S. Striata.* 
§ § Divisions compound. 
Species.—S. Lacertina. 
(b) Branchiae compound and ahrinteds 
9 Genus,—Proteus 
e this paper was = the Annals of Philosophy for yeas have 
which the ame Pseudobranchus is proposed, by Mr. Gray, 
The adoption of a new name in this case, 
ose, 
yen she piete an oppor- 
n its gills, the Striata ; but it has peculiar chara . ‘ 
sick sil +: explained at Jength in a a er soon to be published in the 
Annals of the 130 ut one inhabits the Southern states 
in large numbers. "Saacinee ns are preserved in the Cabinet of the Lyceum. 
Fig. Annals of the Lyceum, Vol. 2, fi ste 
