14 | Storer on the 
an orange color, tipped with dark brown; posterior 
legs of an uniform dark brown color. 
The principal food of this species is insects. 
C. Blandingii. Holbrook. Blanding’s Cistuda. 
N. A. Herpetol. vol. iii. p. 35 et fig. 
By the kindness of Mr. Edward Appleton I have 
received from Haverhill a fine living specimen of this 
rare species. It presents the following appearance : 
Length of the specimen, 74 inches; breadth of the 
shell, 5 inches; length of the sternum, 7 inches ; 
height 3 inches. Shell oblong, rounded, slightly 
flattened above. The plates of the upper shell are 
black, covered with numerous bright yellow circular 
and oblong spots or blotches, irregularly distributed. 
The first vertebral plate is pentagonal; the second 
and third are hexagonal; the fourth is heptagonal ; 
the fifth is octagonal. Of the lateral plates, the an- 
terior and posterior are quadrilateral, the third and 
fourth, pentagonal. The marginal plates are twenty- 
five in number ; the nuchal plate is very small, about 
a line in width, and less than half an inch long ; 
the first, third, fourth, sixth, eighth, tenth, and 
twelfth plates are quadrilateral; the second, fifth, 
seventh, ninth, and eleventh, pentagonal; the edge 
of these marginal plates is sharp and entire. The 
sternum is composed of two valves, the posterior of 
which, the larger, is oblong, rounded before, emar- 
ginate behind; both valves are moveable, and, when 
closed, they shut the animal entirely, with the excep- 
