198 
II. The more aquatic kinds have the front of the legs covered 
with small scales and some broad, transverse, lunate plates ; the toes 
webbed. They are confined to Asia; as 
3. Cuora. 
The head rhombic, the eyes lateral, the sternal lobes broad, hiding 
the legs when contracted, as C. Amboinensis and C. trifasciata. 
4. CycLEmMyYs. 
The head depressed, eyes subsuperior, the sternal lobes rather 
narrow, not hiding the legs when contracted, as C. dentata and 
C. platynota. The latter species was referred to the genus Testudo 
by F. Miiller, and when I first described it I considered it as an 
Emys, but the examination of a series of specimens of different ages 
shows that it is a species of Box Tortoise nearly allied to C. dentata. 
It has been hitherto believed that there was only a single species 
of the genus K1nosTERNON, as now restricted, found in the United 
States ; and all the adult specimens I have received from that country 
are, I must own, exceedingly alike, so much so that I cannot under- 
take to say that we have adult specimens of more than a single species. 
On examining the young specimens of this genus from the United 
States, in the Museum Collection, it is evident that there are at least 
three most distinct species found in that country, which probably in 
their eroded and discoloured adult state are so alike as to be mistaken 
for one another. 
They may be thus described :— 
1. KinosTERNON PENSYLVANICUM. 
Head brown-dotted ; temples with two parallel distant streaks of 
white spots, from the upper and lower edge of the orbit, and a third 
streak across the lower jaw ; neck white-dotted ; back deep brown ; 
lower side of marginal shields, the axillary and inguinal plates and 
each of the sternal plates with a large yellow spot; sternum broad, 
rounded before and behind. 
Hab. North America, Florida, E. Doubleday, Esq. 
2. KinosTERNON Hiprocrepis. 
Head brown, with a broad white streak on each side, from the end 
of nose over the eyebrows to the sides of the nape; back pale and 
sternum brown; dorsal shield with a single apical and some scattered 
black spots ; under side of each marginal and sternal plate rather 
paler in the middle; sternum rather broad, rounded in front and 
slightly truncated behind. 
K. Pensylvanicum, Holbrook, N. Amer. Herp. t. 21. 
Hab. North America, New Orleans, E. Doubleday, Esq. 
3. KINOSTERNON PUNCTATUM. 
Head brown, minutely white-dotted, without any streaks ; the back 
brown, discal shield with a very distinct apical, and some scattered 
black spots; margin with a very narrow white line ; under side whitish, 
