10 Catalogue of Reptiles inhabiting the 



distant on the cheeks and chin ; on the vertex, two round black spots ; 

 on the oeciput two diverging black lines ; the shell with several large 

 black white-ringed spots, between which numerous smaller indistinct 

 white spots ; margin pale white ; several longitudinal ridges, composed 

 of close minute tubercles. Beneath greenish white. 



Older. — Above uniformly olive-green ; the longitudinal ridges of 

 the shell consisting of tubercles, more distant and proportionally smaller 

 than in the very young. 



Habit. — Malayan Peninsula, Pinang. 



Java, Dukhun, " India," "China." 

 This species is numerous in rivers and ponds. The largest indivi- 

 dual observed was of the following dimensions : 



Length of the head, 2f inch. 



Ditto ditto neck, 2f 



Ditto ditto shell, 6f 



Ditto ditto tail, Of 



GYMNorus indicits, (Gray.) 



Syn. — Testiulo chitra, Buclian. Ham. MSS. 

 Trionyx, indieus, Gray. 



Trionyx segyptiacus, Var. indica, Gray : 111. Ind. Zool. 

 Gymnopus lineatus, Dumeril and Bibron. 

 Chitra indica, Gray : Catal. 



Shell remarkably depressed, smooth.* Above greenish olive, vermi- 

 culated and spotted with brown or rust colour ; beneath greenish white. 



Habit. — Pinang, Malayan Peninsula, (Estuaries, Sea Coast). 

 Rivers in India, Philippine Islands. 

 At Pinang this species is frequently taken in the fishing stakes. The 

 Chinese inhabitants greatly relish this as well as the preceding species 

 of Gymnopus, as articles of food. Individuals weighing 2-10ibs. occur 

 in the Ganges, and others of gigantic dimensions are not uncommon at 

 Pinang. It is very powerful, and of ferocious habits. The largest 

 individual measured : 



* In the living adult no longitudinal central depression is apparent, nor the outline ol 

 the costa?, as represented in the figure in Illustrations of l»<li<in Zoology 



