154 TESLTUDINID”®. 
Plastron notched behind ; profile of cara- 
pace nearly horizontal in front ........ 25. vicina, p. 170. 
2. Shields smooth and plastron truncate posteriorly in the 
adult. 
a. Width of plastral bridge twice or 
twice and one fourth in the 
length of the carapace ...... 26. microphyes, p. 170. 
6. Width of plastral bridge twice and a half to three times 
in the length of the carapace ; median alveolar ridge of 
upper jaw much nearer the inner than the outer edge 
(as seen from below). 
Carapace thin but well ossified .......... 27. ephippium, p.171. 
Carapace very thin, leathery ............ 28. abmmgdonu, p. 171. 
C. Nuchal absent ; gular single ; plastron short. 
1. Carapace thin, thickened towards the margin. 
Upper profile of carapace straight, not de- 
clivousam’ fronts piewe ce Gels cain tks 29. indica, p. 172. 
Carapace depressed, with the upper profile 
undulated, slightly declivous in front .. 30. triserrata, p. 172. 
Carapace high, with the upper profile con- 
Wex, GechiVOUs TMMNONL — y= wee 2 ere es 31. inepta, p. 172. 
2. Carapace extremely thin, not de- 
clivous in front in the male .... 32. vosmaert, p. 173. 
VI. Carapace brown or olive, uniform or spotted with black, or 
black and yellow; gular shields distinct; alveolar ridge of 
upper jaw rather short and feeble. 
A. Suture between the anal shields, if present, extremely short. 
Nuchal shield usually present; suture be- 
tween the pectoral shields as long as, or 
longer than, that between the humerals. 33. elongata, p. 173. 
Nuchal absent; suture between the pec- 
torals half as long as that between the 
eral Ss Meee iete oucte ha evokes ioks) © 34. forstenti, p. 174. 
B. Suture between the anal shields nearly as long as, or longer 
than, that between the femorals. 
1. Hand with five claws. 
a. Fifth vertebral shield not broader than third; supra- 
caudal undivided. 
No enlarged tubercle on the hind side of 
the thigh; imbricate tubercles on the 
front of the fore limb in four or five lon- 
Plcn Gamal "BOLIeS |. =7c.e es <wieie win tere cere 35, marginata, p. 174. 
