PTYCHOZOOJs^. 



53 



with scolloped lateral membrane, ending in a broad flap, the width 

 of which eqnals or nearly eqnals that of the snout. Greyish or 

 reddish brown above, with wavy dark brown transverse bands; a 

 dark brown streak "from the eye to the first dorsal band ; lower 

 parts yellow or yellowish. 



I'rom snout to vent 95 millim, ; tail 92. 



Burma, Malay Peninsula, Borneo, Sumatra, Java. 



Specimens without the enlarged dorsal tubercles have been 

 named by Aunandale var. lionotum. 



Fig. 15. — Ftycliozoon homalocephalum. 



51. Ptychozoon horsfieldii. 



Fteropleura hor^Jieldii, Gray, Phil. Ma<>-. (3) ii, p. 56 (1827). 

 Ptychozoon horsJieUhi, F. Mull. Abh. Naturf. Ges. Basel, x, p. i209, 

 pi. iv (1892) ; S. Flower, P. Z. S. 1899, p. 635. 



Differs from the preceding in the following characters : — No 

 enlarged tubercles on the back ; scales on side-lobes of head not 

 larger than largest ventrals; males with 7 to 12 pra3anal pores and 

 9 to 14 pores under each thigh ; tail tapering, its extremity less 

 than half width of snout. 



From snout to vent 80 millim. ; tail 75. 



Burma, Malay Peninsula, Borneo, Loo Choo Islands. 



The type specimen is from Singapore, and Capt. Flower obtained 

 a specimen on Penang Hill, at an altitude of 1900 ft. 



