58 



Pseudemys troostii, Holbrook, N. Am. Herp., i, p. 123. Valley of the 



Mississippi to Illinois. 

 Pseudemys elegans, Wied. ; Holbrook, N. Am. Herp., i, p. 115. Central 



region and Texan district. 



Malacoclemmys, Gray. 

 Malacoclemmys geograpMcus^ Lesueur ; Holbrook, N. Am. Herp., i, p. 99. 



Mississippi Valley to Pennsylvania and New York. 

 Malacoclemmys pseudogeograpMcus, Holbrook, N. Am. Herp., i, p. 103. 



Mississippi Valley to Wisconsin and Northern Ohio. 

 Malacoclemmys palustris, Gmelin; Holbrook, N. Am. Herp., i, p. 87. 



Coast from New York to Texas. 



Chrysemys, Gray. 



Chrysemys picta, Herm. ; Holbrook, N. Am. Herp., i, p. 75. Eastern 



region ; Louisiana, Mississippi. 

 Chrysemys oregonensis, Harlan; Holbrook, N. Am. Herp., i, p. 107. 



Central region. 

 Chrysemys reticulata, Bosc; Holbrook, N. Am. Herp,, i, p. 59. Gulf 



States. ''" 



Chelopus, Eafinesque. 



Ghelopus guttatus, Schneider; Holbrook, N. Am. Herp., i, p. 81. East- 

 ern region east of Ohio. 



Chelopus muhlenbergii, Schweigger ; Holbrook, N. Am. Herp,, vol. i, p. 45. 

 New Jersey and Eastern Pennsylvania. 



Chelopus insculptus, LeConte ; Holbrook, N. Am. Herp., i, p. 93. East- 

 ern region east of Ohio. 



Chelopus marmoratus, Baird and Girard ; Hallowell, U. S. P. E. E. Surv., 

 X, Williamson's Eeport, p. 3. Pacific region. 



Emys, Brong. 



Umys meleagris, Shaw ; Holbrook, N. Am. Herp., i, p. 39. Alleghenian 

 district of Eastern region to Wisconsin. 



CiSTUDO, Flem. 



Oistudo clausa, Gm., subspecies clausa, Gm. ; Holbrook, N. Am. Herp., 

 i, p. 31. Eastern region and Louisianian and Floridan districts. 



Cistudo clausa, subspecies triunguis, Agass., Contrib., i, p. 445. Austro- 

 riparian region to Georgia ; Eastern Pennsylvania. 



Cistudo ornata, Agass., Contrib., i, p. 445. Central region. 



