NORTH A^IERICAX BATRACHIA AND RRPTILIA. 57 



120. C. guttatus, "Scliw. Speckled Tortoise. Snout rounded, 

 and its sides not compressed laterally; above black with yellow 

 spots; rarely plain black; plastron black, or yellow spotted with 

 black. Eastern region, east of Ohio. 



h. Upper jaw more or less deeply notched in front, and 

 projecting in the form of an arched bill. 



121. C. muhlenbt-rgi^ Schw. Sides of head compressed, 

 but not narrowing downward; carapace with or without a keel, 

 and the scales eiiher plain or concentrically grooved; a large 

 tooth on either side of notch in upper jaw; above dark brown, 

 obscurely blotched with lighter; neck with a dark orange blotch 

 on each side; below dark with yellowish or reddish spots. New 

 Jersey and Eastern Pennsylvania. 



122. C in sculpt us, I^qC Wood Turtle. Sidesof head com- 

 pressed, and nose narrowing downward; in the adult the scales 

 either have radiating ridges, or are smooth; above reddish-brown, 

 with radiating black lines; plastron yellow with black blotches; 

 throat and extremities reddish. Eastern region, east of Ohio. 



Genus Emts, Brong. 



123. E. meleagris^ Shaw. Blanding's Tortoise. Black, 

 usually with yellow s])ots on the carapace; head spotted; plas- 

 tron yellow with black blotches; young nearly circular, and 

 entii'ely black except the plastron, which is edged with white. 

 Alleghanian district to Wisconsin. 



Genus Cistudo, Flem. 

 Vertebral scales about as wide as long; the young, and often 

 the adult, with a distinct keel. 



124. C. dausa, subsp. clausa^ Gm. Box Turtle. Shell 

 broad ; colors variable; above blackish with yellow blotches, or 

 numerous small spots and lines; sometimes the background 

 a|)pears yellow with black markings; beneath usually blackish, 

 with a yellow border, occasionally all yellow; hind feet with four 

 toes."^ Eastern part of United States. 



125. C. clausa. subsp. triunguis^ Ag. Three-toed Box 

 Turtle. Three toes on hind feet; color pale yellowish, with few 

 spots. Austroriparian region to Georgia, Eastern Pennsylvania. 



*A number of specimens from Pease River, Florida, collected by Dr. J. W. Velie, 

 and a considernble uuratier in the National Museum, from Lake Okeechobee, agree in 

 the following' distinguishing characters, and may represent a local Floridan variety: 



Carapace more arched than in the last; costal plates flatter, and sloping abruptly 

 downward: marginal plates tiaring but little; shell narrower and higher: color above 

 blackish; a yellow dorsal line; vertebral scales with a few lines of yellow; on the 

 costal scales the lines are few and long, radiating from the posterior upper corner; 

 beneath yellowish, with generally small scattered black spots and streaks; scales of 

 carapace, in small specimens, somewhat imbricated. 



