50 



LIZARDS OF THE PHILIPPINE ISLANDS 



obliquely oval to triangular, greatest diameter equal to one-third 

 the diameter of eye ; rostral large, much wider than high, subrec- 

 tangular, broadly entering nostril, deeply notched above, almost 

 surrounding an ''interrostral" scale, which is usually present 

 but of varying size ; bounded behind by two supranasals ; latter 

 separated by one or two internasals ; nostril bounded by rostral, 

 first labial, two postnasals, and a supranasal ; ten to twelve upper 

 labials, rather roughened with a row of keeled scales immediately 

 above; eleven lower labials; mental triangular, large; a pair of 

 large chin shields bordering mental, much longer than wide, in 



Fig. 4. Gymnodactylus agusanensis Taylor, femoral and preanal pores ; X 3. 



contact with first labial, and a somewhat enlarged scale on the 

 side, sometimes two or three other enlarged scales following; 

 scales on snout, especially those in front of eye, largest; scales 

 on chin and throat small, granular, growing larger toward la- 

 bials; body above with minute granules intermingled with 

 eighteen to twenty irregular rows of enlarged, conical, or trihe- 

 dral tubercles of varying sizes ; those on tail arranged in trans- 

 verse rows, marking annulations, but disappearing about halfway 

 back on tail; three or four enlarged tubercles on each side of 

 base of tail; abdomen limited by a skin fold on which is a row 

 of tubercles; ventral scales larger, imbricate, in forty-six to 



