GYMNODACTYLUS 



45 



length of snout; distance of eye to auricular opening slightly- 

 less than distance of eye to nostril; height of head in occipital 

 region equal to length of snout; rostral subquadrangular, with 

 a suture entering above, bifurcating a little above the middle of 

 the scale; nostril bounded by three or four postnasals, the first 

 labial usually, the rostral, and a supranasal; latter rather large, 

 in contact with rostral, separated from its fellow by one or two 

 small internasals; twelve to fourteen upper labials with a row 

 of rather enlarged keeled scales above; ten to thirteen lower 

 labials; mental large, triangular, with a pair of much enlarged 

 chin shields bordering it behind; these are also in contact with 

 each other and with first labial, but separated from second labial 

 by an enlarged scale ; second pair of chin shields frequently pres- 

 ent, of variable size, usually small, in contact with each other 



-^- r<Z >T — 



Fig. 1. Gymnodactylus annulatus Taylor, from Sulu ; pi'eanal pores, variation ; X 3. 



Fig. 2. Gymnodactylus annulatus Taylor, from Mindanao ; preanal pores, typical ; X~ 3. 



and with first pair; snout covered with granules slightly larger 

 than those on occiput or body ; body covered with minute granules 

 intermixed with large, round, trihedral tubercles in fourteen to 

 sixteen irregular longitudinal rows; tail covered above with 

 small uniform granules arranged in transverse rows; at the 

 base a few transverse rows of tubercles marking annulations; 

 granules on neck small, increasing a little in size toward labials ; 

 belly with cycloid, imbricating scales, fifty to sixty between the 

 lateral skin folds, which run from axilla to groin ; tail below with 



