1870.] DR. J. E. GRAY ON SPECIES OF RHINOCLEMMYS. 723 
middle of each series of scales, extending along the upperside of 
each toe. 

Rhinoclemmys scabra, var.? 
RuINOCLEMMys scaBra, var.’ (Fig. 3.) 
With all the marks of the preceding; but the spots on the front 
of the eye are smaller, and the two diverging streaks are united to- 
gether by a broad cross band on the front of the crown, just level 
with the back edge of the eye; the spots on the occiput are larger 
and longer, forming short streaks; the marks on the temple are 
similar, and not quite like the former. 
There are two very young specimens of this variety in spirits, 
which are quite alike as regards the bands on the crown; but they 
differ a little in the distribution of the streaks on the sides of the 
temples. 

Rhinoclemmys mexicana. 
RHINOCLEMMYS MEXICANA. (Fig. 4.) 
Head brown; crown with a broad, uniformly wide, semicircular 
band over the eyes; the sides of the head varied with yellow, and 
dotted with black ; the chin and throat yellow, black-dotted. 
RHINOCLEMMYS ANNULATA. (Fig. 5.) 
Crown white, varied with black, forming rather a radiating sym- 
metrical figure on the back of the crown, and with a white cross 
band on each side of the occiput; the temples with a broad white 
streak from the back edge of the orbit, and another from the front 
edge of the orbit, which are united together on the tympanum by a 
perpendicular streak behind, and then give off a streak that is con- 
tinued along the side of the neck ; the sides and back of the neck 
black, with several broad white streaks, one arising from the centre 
