Malayan Peninsula and Islands. 5 



Length of the head, feet 3 inch. 



Ditto ditto neck, 2| 



Ditto ditto shell, 1 6 



Ditto ditto tail, 2| 



Gen. Cistudo, Fleming. 



Head moderate, covered with a thin hard continued skin, Toes 



5-4, webbed to the claws, web thick, with a small intermediate lobe 



between the claws. Tail short. Shell convex, ovate, or hemispherical. 



Sternum broad, rounded before and behind, completely closing the 



cavity of the thorax, affixed to it by a ligamentous, symphysis, and 



divided by a cross suture between the pectoral and abdominal plates. 



Sternal shields twelve. Inguinal and axillary plates very small, but 



distinct. Marginal plates 23-27. Nuchal plate small or wanting. 



Cistudo amboinensis, (Daudin.) 



Syn. — Testudo amboinensis, Daudin. 



Emys amboinensis, and couro, Scbweigger, 



Tortue a boite d' Amboine, Bosc. 



Tevrapene amboinensis, Merrem, 



Kinosternon amboinense, Bell. 



Cistuda amboinensis, Gray. 



Terrapene couro, Fitzinger. 



Emys couro, apud Wagler. 



Terrapene bieolor. Bell. 



Emys couro, Var. Schlegel, apud Gray. 



" Bailing" of the Malays of the Peninsula. 



Habit. — Malayan Peninsula, Singapore. 



Java, Amboina, Philippine Islands, Tenasserim provinces. 

 Shell hemispherical, slightly three-keeled, blackish, margin broad 

 expanded, nuchal shield linear ; sternum black and yellow-varied ; 

 animal blackish, varied with yellow, head dark with two broad yellow 

 streaks on each side. 



The dorsal keels become obsolete with age, and the margin of the 

 shell, particularly the posterior part, becomes revolute. This species 

 appears to be numerous in the valleys, in ponds, rivulets and paddy 

 fields. It is very timid, withdrawing its head and limbs when handled, 

 though it neither bites nor scratches. The largest individual observed 

 was of the following dimensions. 



Length of the head, 2 inch. 



Ditto ditto neck, 2^ 



Ditto ditto shell, 7 



Ditto ditto tail, . . . 1 



