158 Wisconsin Academy of Sciences, Arts and Letters. 



(e). "Upper jaw not notched in front; carapace more or less strongly keeled 

 or tubereulated." (Jordan); toes strongly webbed; plastron immova- 

 ble ; lower jaw with a spoon-shaped dilatation Graptemys . 



b. "VVeb smaU; shell elongated, nearly oblong in form; plastron without hinge; 

 carapace deep; black with or without orange or yellow spots which are 

 round or oblong; upper jaw notched slightly; plastron light yellow 

 with black irregular spots Nanemys. 



Emys, Brogniart. 



E. meleagris, Shaw. Blanding's Box Tortoise. 



Carapace dark colored with irregular yellow spots that are seldom absent. 

 Terrestrial but generally found near water, to which they rapidly retreat if 

 approached. Excellent swimmers. Common. 



Chrysemys, Gray. 



C. marginata, Holb. Lady Turtle. Western Painted Turtle. 



Jfeck, tail and legs striped with red; the plates of carapace variously 

 marked with red or yellow. A beautiful sj)ecies. Very common. 



C. oregonensis, Holb. Plain Tortoise. 



A form without red markings of marginata, is found occasionally in the 

 western part of our state. 



Graptemys, Agassiz. 



G. geograpMca, Le Sueur. Map Turtle. 



Streaked and reticulated with various shades of yellow upon a brownish 

 back ground; neck and limbs quite gaily colored; carapace deeply notched 

 posteriorly; aquatic; not common. 



Probably this siJecies is the most bold and active of this family. L. 9 inches. 



O. Le Sueurii, Gray. Le Sueur's Majp Turtle. 



The characters distinguishing this from the preceding are not numerous 

 but prominent. The colors are less striking in general, but tlie yellow 

 markings are more intense; back ground grayer; each vertebral plate has a 

 dark colored posterior which overlaps the succeeding plate; plastron 

 clouded with brown or black; length of carapace 5-6 inches. Quite com- 

 mon in southern half of the state. 



Nanemys, Agassiz. 



N. guttatus, Ag. Speckled Tortoise. 



Carapace black with yellow spots scattered here and there; plastron with 

 more or less black. But two specimens are known to me to have been 

 found in this state. These were from Walworth county.' 



FAMILY CINOSTERNID.E. CINOSTERNOID TURTLE. 

 Represented by one genus and species. 



1 Additional localities, reported after the above was written, Beloit, Madison, Eau Claire 

 and other places, indicating that it is rare but generally distributed throughout the south- 

 ern part of the state. 



