Barnes on Batracian Animals and doubtful Reptils. 28] 
‘taming that the Siren was only alarva. Cuvier has anstwer- 
‘ed this objection, in his late work on Fossil bones. 
* * * * Branchie and tail persistent. 
{a) Opercula subdivided. ; 
8 GENUS.—SIREN. Linn. 
Body long and serpentine. 
Legs two, anterior. 
§ Divisions of the opercula simple. 
Species.—Stren Sraiata. Le Conte. 
Toes three, without claws. 
Teeth, none in the jaws. Teeth in the palate ? 
Figure. Annals of the Lyceum, vol. 1. pl. 4. 
Synonyms. Pseudobranchus. Gray. Guana. Vulgo. 
SCRIPTION AND HABITS. ‘i 
Color dusky, with a broad brown stripe on each side, and 
another paler one on each side of the belly ; beneath, speck- 
Jed with brownish white; tail compressed, ancipital ; sides 
marked with transverse furrows; spiracles, three on each 
i expires. It is rarely found. It grows to the length 
of bine abe and is sone to be mature by being found 
full of spawn. ‘It has been compared with the young of the 
Siren Lacertina of the same Jength, and found to differ per- 
manently from that species. The S. Lacertina retaining its 
§ § Divisions of the opercula compound. 
Species.—Sinen. LaceRrTINA. Linn. 
Toes, four,7 cartilaginous rather than horny, at the point.¢ 
*See Note at page 269. 
! See spain ‘oie: Samed under the genus Pip. 
VOL. XL—NOi 2. | 36 ie 
