8. MALACOCLESIMYS. 01 



surfiice still broader than in J/, termpen; the width of tho mandible 

 at the Kynii)hysis exceeds tlic horizontal dianieior of the; orliit. 

 Limbs broadly webbed, scaly. Tail of mule nearly halt' the longlh 

 of the carapace. Olive above, reticulated with yellowish ; plastron 

 yellowish, uniform or with wavy dark lines. Head and neck dark 

 olive or blackish, with numerous yellowish lines ; a larj^c trianj^ular 

 yellowish spot behind the eye, above the tympanum ; limbs and tail 

 streaked or marbled with black and yellowish. 



Length of shell 2'2 centim. 



Mississippi ^'alley to Pennsylvania and New York. 



a. Ilgr. c? , spir. Pennsylvania. 



b. llgr., skel. Louisiana. 



c. Ilgr., skel. N. America. Dr. .T. E. Hray [P. l- 



d. Ad., skel. N. America. Smithsonian Institution. 



3. Malacoclemmys lesueurii. 



Lesiteur, Mem. Mus. Paris, xv. p. 267 (1827). 

 Emys lesueurii, Grai/, Syn. Hept. p. 31 (1831). 



geographica, part., Bum. i<f Bihr. ii. p. 2oG (183.5). 



pseudogeographica, Ilolhr. N. Am. Ilerp. i. p. 10."!, pi. xv. (1812); 



Dekciy, Faun. N. Y., Rept. p. 19, pi. ii. fig. 3 (1842) ; A. T)um. Cat. 



Mcth. Rept. p. 9 (18.-)1); Gray, Cat. 8h. Rept. i.^p. 29 (1855); 



Wied, N. Acta Ac. Leop.-Carol. xxxii. i. p. 31 (1865). 

 Graptenivs lesueurii, Ayass. Contr. jS\ H. U. S. i. p. 436, pi. ii. 



tigs. lU-12 (1857). 

 Cleunuvs pseudogeographica, Strauch, Chelon. Stud. p. 33 (1862), 



and Verth. Sc/iildkr. p. 80 (1865). 

 Graptemvs pseudogeographica. Gray, Ami. S)- May. N. JI. (-3) xii. 



p. 180 '(1863), a)id Supjil. Cat._ Sh. Rept. i. p. 45 (1870). 

 Malacoclemmys pseudogeographicus, Cope, Check-Lid N. Am. Rept. 



p. 53 (1875). 

 lesueuri, True, in Yarrow, Check-List N. Am. Rq)t. p. 34 



(1882). 



Allied to 31. geographica, but vertebral keel stronger, ending in a 

 tubercle on each shield ; posterior border very strongly serrated, each 

 marginal being notched ; anterior border often openl}- emarginate. 

 Head smaller. Carapace brown or olive, with ycUowish reticula- 

 tions ; a large dark brown spot on each vertebral and costal shield ; 

 plastron yellowish, marbled with brown, or with broad dark vermi- 

 culate bands. Head and neck with yellow lines ; a crescentic or 

 angulated, broader, yellow transverse streak behind the eye. 



Length of shell 24 centim. 



Mississippi Valley to Wisconsin and Ohio. 



rt, h, c, d, e,f. Ad., hgr., & Louisiana. W. P. Smith [C.]. 



yg., stffd. 



y. Hgr., spir. Mississippi. 



h. Hgr., spir. N. America. Smithsonian Institution. 



i. Ad., stffd. N. America. Dr. J. E. Gray [P.]. 



k. Ad., stffd. N. America. 



/. Ad., shell. N. America. Smithsonian Institution. 



