12 DR. J. E. GRAY ON ASIATIC TORTOISES. (Jan. 12, 
I believe that Dr. Bleeker has only paid a limited attention to the 
study of reptiles: his great object has been to collect, to figure while 
living, and to preserve the fish of the Indian Ocean ; and he has suc- 
ceeded in forming a very extensive collection, the largest, I believe, 
that has ever been formed, and in discovering a very large number 
of new and most interesting species, and in establishing numerous 
new genera. Moreover he has most kindly furnished the British 
Museum with types of the greater part of these, thereby greatly en- 
riching our collection, which, I believe, was, before that addition, 
the largest and best-preserved series of fish yet formed. 
1. Under the name of Cistudo bankanensis, Bleeker, evidently 
from Banka Island, we have received a young specimen of a terres- 
trial Emydide, with moderately stout, rather short toes, united by a 
distinct web nearly to the tips. The toes are covered above with 
small scales like those on the webs, and there are only two or three 
very small, triangular, rather broader and more band-like scales on 
the upper surface of each of the toes near the claws, which are most 
developed and numerous on the inner toes or thumbs of each foot. 
The fore legs are covered in front with very thin membranous band- 
like shields; the hind legs are covered with small scales. 
This specimen agrees in almost every particular with a young spe- 
cimen of Geoemyda grandis, which I described in the ‘ Annals and 
Magazine of Natural History’ for September 1860 (vol. vi. p. 218), 
from Camboja and Siam ; so that I am inclined to think that it may 
be a variety of that species. 
It differs in the underside being plain yellow, and very obscurely 
mottled with some smaller rather dusky spots. 
There are also on the side of the head two yellow streaks—one from 
the upper, and the other from the lower hind angle of the eye— 
which are extended on to the temple. These are not visible in our 
dried specimen of the Tortoise from Siam, but they may be there 
in the living state. 
2. CycLEMyYS OVATA? 
There is a young specimen of a fluviatile Tortoise named Cistudo 
diardii, Bleeker, but it is in too young and imperfect a state to de- 
cide which of the three species of the genus Cyclemys it may belong 
to. The back is rather more oblong than in the very young speci- 
mens I have seen of Cyclemys orbiculata, so that it may belong to 
either Cyclemys ovata of Sarawak or Cyclemys oldhami of Siam— 
most probably the former, but I have never seen the young state of 
these species. 
3. CuoRA AMBOINENSIS. 
There are, in the collection of Dr. Bleeker, a small half-grown spe- 
cimen of this species under the name of Cistudo amboinensis ; a very 
dark young specimen of about the same size as the former, called 
Emys melanogaster, Bleeker ; anda large adult specimen named Emys 
hypselonotus, Bleeker. 
