142 



THE AMERICAN MIDLAND NATURALIST 



Carapace olive or brownish green and patterned with numerous reticulating 

 yellow lines which are most prominent in juveniles and nearly or quite obsolete 

 in adults. Under surface of marginals yellowish with circular markings; 

 bridge of plastron marbled with yellow and greenish grey. Plastron yellow, 

 usually marked with grey along the sutures. Occasionally, and especially in 

 juveniles, the ventral markings very bright and more or less expanded into 

 whorls, curves, etc. Head greenish and streaked with numerous longitudinal 

 yellow lines; a more or less triangular yellow blotch behind each eye. Soft 

 parts greyish or greenish, streaked and mottled with yellow. 



Juveniles similar to adults but with the markings more conspicuous. 



Specimens examined, 94; specimens preserved, 59; specimens studied, 15. 



Range. — Northeastern Texas and eastern Kansas to Iowa and southern 

 Wisconsin, east to Lake Champlain, eastern Tennessee and southwestern Vir- 

 ginia. 



In Ohio the map turtle is widely distributed (Map 34). It is common in 

 the western half of the state but is distinctly less abundant in the eastern half. 

 It appears to be more numerous in northeastern than in southeastern Ohio; 



Map 34. Ohio locality records and general 

 range of the Map Turtle, Craptemys geo- 

 graphica. 



