NATURAL SCIENCES OF PHILADELPHIA. 507 



Hylid^e. 



POLYPEDATES Wagl. 

 POLYPEDATES MEGACEPHALUS nob. 



Spec. char. Head large, two oblong patches of rugosities, upon the vertex ; 

 ;nout truncate, nostrils lateral, quite near the extremity of the snout; skin 

 smooth, tongue cordiform, notched posteriorly, from behind and at the sides; 

 palatine teeth on a level with the anterior border of the posterior nares, 

 onverging toward each other, separated from each other by an interval of half 

 i line ; body and extremities slender ; fingers very slightly webbed at base, 

 posterior webs extending to the base of the penultimate phalanx, except 

 >n the fourth where it extends to the base of the antepenultimate ; color brown 

 .vith dark-colored blotches upon the back bordered with white ; sides marbled 

 vith dark-brown : lower parts light yellow. 



Dimensions. Length of head 8 lines ; greatest breadth 7 ; length of head and 

 body lh inches; length of anterior extremities 1 inch; of thigh 10 lines; of 

 "eg 9 lines ; of tarsus 6 lines ; of foot to extremity of longest toe 1 lines. 



Habitat. Hong-Kong, China. Caught May, 1854. 



Java. 

 OPHIDIA. 



Pythonid^b Pythoniens holodontes D. B. 



Div. B. Nostrils vertical. 



Python molorus Gray. One specimen. 



Habitat. Java. Taken on the Island of Java, purchased and presented to 

 the expedition by Dr. Hamilton. Killed and skinned at Hong-Kong, (not in good 

 ^reservation). This specimen measured 16 feet in length. 



Cape of Good Hope. 

 TBSTUDINATA. 



Chersites D. $ B. Testudines terrestres. 



Gen. Homopus D. & B. 



In the collection of the expedition are eight specimens belonging to this 

 jfenus, characterized by the presence of four toes only to each extremity. 



HOMOPUS AREOLATUS D. & B. 



Erpet. Gen. torn. ii. p. 146, pi. 13, fig. 2 and 3. 



Testudo areolatus, Rell. Monog. Test. The central portion of the disk in these 

 specimens is from light chocolate brown to darker, in some almost black. The 

 sternum in some specimens is much darker than in others. 



SAURIA. 



GeCKOTIDjE. 



Sauriens ascalabotes D. $ B. 

 Phyllodactylus. 

 phyllodactylcs porphryretts d. & b, 



Spec. char. Head of moderate size, triangular, mental plate of moderate 

 jize, pentangular, eight inferior labials, nine superior, ground color above 

 yellow, marbled all over with brown ; under parts yellow. 



Dimensions. Length of head 5 lines ; greatest breadth 3 J ; length of body 



I860.] 



