666 REPTILES — CINOSTERNID^. 



Kinostemon pennsylvanicum, Bbll, Bonaparte, LbContb, Holbkook, DeKay, Gray. 

 Cinosternon pennsylvanicum, Waglhe, Dumeril and BiBRON. 

 Tliryroaternum pennsylvanicuvi, Agassiz. 



Color of carapax dusky brown, of plastton yellow or orange with dark blotches ; some- 

 times having the sutures margined with black ; head and neck brownish, with whiter 

 stripes and spots ; feet and tail chestnut, lighter beneath ; carapax oval, emarginate 

 behind ; first vertebral shield triangular, its apex posterior and truncate ; second, third, 

 and fourth hexagonal ; costals large ; marginals elevated ; plastron notched behind ; 

 abdominal plates articulating with the pectorals and preanals by more or less movable 

 sutures ; sternal shields all deeply sculptured with parallel and angular lines ; head 

 large; upper and lower jaw with a curved toothrlike projection; anterior limbs with 

 two scaly folds above, small scales beneath, and terminating in five short claws ; tail 

 short with lateral tubercular processes and terminating in a horny point. Length of 

 carapax, 4 inches; height of carapax, 1 4-5 inches ; length of tail, 7 lines. 



Habitat, New York, Pennsylvania, New Jersey, Florida, Alabama, Louisiana, Ohio, 

 and Michigan. 



This animal is found in ditches and muddy ponds ; it feeds upon fish 

 and small aquatic reptiles, and emits a strong musky odor. 



Genus AEOMOCHELYS. Gray. 



Head sub-quadrangular, pointed, and very large; jaws powerful; plastron cruciform, 

 with a transverse more or less movable suture anterior to pectoral plates, but immovable 

 behind ; posterior end of plastron broadly notched or truncate ; toes five ; fingers five; 

 tail moderate ; carapax somewhat carinated at least in the young; chin with warts ; sup- 

 plemental plates between the plastron and carapax contiguous to both. 



Aromochelys odoeatds Latreille. 



niusk Tortoise. 



Teeiudo odorata, Latrbille, Daudin, Lkconte. 



Teaiudo pennaylvanioa, Schcepff. 



Ciaiudo odorata, Say. 



Emya odorata, Schweiggbr, Harlan, Kirtland. 



Sternothams odoratus, Bell, Harlan, Holbiiook, Stoker, DiKay. 



Sternothcerua ioicii, Bell. 



Kinostemon odorata, Gray, LbContb. 



Kinosternum eliavianum, Bell. 



Staurotypua odoratus, Dumeril and Bibron. 



Ozotheca odorata, et triatycha, Agassiz. 



Ozotheca odorata, Allen. 



Aromochelys odoratus. Cope, Jordan. 



Color of carapax olive to brown or green ; head and neck similarly colored, with 

 yellow stripes on each side ; plastron black and yellow ; colors very much obscured by 

 the adhering mud ; pupils black ; irides golden ; anterior marginal plate very narrow, 

 broadest behiad ; first costal very large, the second and third pentagonal, the two upper 

 sides much the shortest, the anterior and posterior margins longest ; four hinder mar- 



