644 
AMPHIBIA. REPTILES. i.Teftuao. 
flriate on the margin with hollow dots in the jcah’®' 
before truncate, behind bifid ; legs covered withrou 
the fore 5-clawed, ^lind 4, acute, flout. 
1 
Palitjiris, Shell dcprefled ; fore-feet 5-clawed, hind-feet 4 ; 
Inhabits flagnant waters in Jamaica : 8 — 9 inches 
ders into meadows in fearch of food ; body depref 
Cafpica, 
he.Jf'"'’" 
Shell round ; fore-feet 5-clawcd, hincLfeet 4 ; 
tail naked. jarg® 
Inhabits frefh waters, in Hircania j fometimes grows 
3 * 
to bear the weight of a man. 
Plate more than 8 inches long and 7 broad, convex> 
with black and green ; fcutcLs of the margin ®5 
.tc-'l 
ogram, of the difk 5 fubquadrate, with confluent f 
fometimes ftraight, fometimes curved ; chtjl svl’''*' 
inches long, 3 broad, fm<x)th, blackifh, fpotted w^t 
behind bifid, obtufc, before marked with a triangm^'^^j^vt'^'' 
each fide with a longitudinal fpiral furrow and 4 
Claufa. Scutels of the difk carinate ; cheft a little bowed ^ 
fed to the plate by means of valves. 
Inhabits North America : by means of the 2 valves 
can be lb completely clofed as not to admit watet. 
Tenfylva- 
nita. 
Fore-feet 5-clawed ; hind-feet 4 ; tail tipt 
horn. _ ' , gpell* - 
Inhabits flagnant waters in Penfylvania ; when 
mufle ; by means of the tip of the tail turned in d 
flippery hills and flops itfelf ; tail fhort. 
..i'" 
fe 
Serpentiria Feet digitate ; ITiell fubcarinate, the hind-part obW 
5 fharp teeth. , . 
Inhabits fiefli waters in Algiria and China; bites 10 
Head refembling a ferpent’s ; tail as long as the fbe’ ' 
Spenglcri. Shell yellow, fubcarinate, hind-part obtufe with 
teeth ; fcalcs imbricate. 
Refembles the lafl. 
0^ 
jAviiria, Shell ftriatc, fpiny-; front- callous, 3-lobed. 
I#' 
0 
