666 REPTILES-——CINOSTERNID AL. 
Kinosternon pennsylvanicum, BELL, BONAPARTE, LECONTE, HOLBROOK, DEKaAyY, GRay. 
Cinosternon pennsylvanicum, WAGLER, DUMERIL and BIBRON. | 
Thryrosternum pennsylvanicum, AGASSIZ. 
Color of carapax dusky brown, of plastron yellow or orange with dark blotches; some- 
times having the sutures margined with black; head and neck brownish, with whiter 
siripes 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 tooth-like 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 ef 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 AROMOCHELYS. 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 te both. 
AROM@CHELYS CDORATUs Latreille. 
Niusk Tortoise. 
Testudo odorata, LATREILLE, DAUDIN, LECONTE. 
Tesiudo pennsylvanica, SCHEPFFE. 
Cistudo odorata, SAY. 
Emys odorata, SCHWEIGGER, HARLAN, KIRTLAND. 
Sternotherus odoratus, BELL, HARLAN, HOLBROOK, STORER, DEK ay. 
Sternotherus boecii, BELL. 
Kinesternon odorata, GRAY, LECONTE. 
Kinosternum shavianum, BELL. 
Staurotypus odoratus, DUMERIL and BIBRON. 
Ozotheca odorata, et tristycha, AGASSIZ. 
Ozotheca odorata, ALLEN. 
Aromochelys odoratus, COPE, JORDAN. 
Color of carapax olive to brown or green; head and neck similarly colered, with 
yellow stripes on gacn side; plastron black and ysaliow ; colors very much obscured by 
the adhering mud; pupils black; irides golden; anterior marginal plate very narrow, 
broadest behind ; first costal very large, the second and third pentagonal, the two upper 
sides muck the shortest, the anterior and posterior margins longest; four hinder mar- 
