1888.] REPTILES OF CHRISTMAS ISLAND. i535 



marmoratus, is distributed over the greater part of the Malay 

 Archipelago. 



Gecko listeri, sp. n. 



Head moderate, snout once and one third the diameter of the 

 orbit, which equals its distance from the very small, round ear- 

 opening ; forehead scarcely concave. Head covered with small 

 granules, which are considerably larger on the snout ; rostral quad- 

 rangular, more than twice as broad as deep, without cleft ; nostril 

 pierced between the rostral, the first labial, and three nasals ; twelve 

 upper and ten lower labials ; three transverse rows of small hexa- 

 gonal chin-shields. Dorsal scales uniform, minutely granular ; 

 ventrals much larger, roundish hexagonal, subimbricate. Digits 

 with a very slight rudiment of web ; seven or eigbt angularly 

 curved lamellae under the median toes. A short angular series of 

 twelve prseanal pores. Tail cylindrical, covered with uniform small 

 flat scales, which are largest inferiorly. Pale grey-brown above, 

 with a few rather indistinct brown spots and scattered white dots ; 

 a brown streak from the nostril to the eye ; lower parts white, with 

 small brown sjiots. 



millim. inilliin. 



Total length 79 Fore limb 12 



Head 12 Hind hmb 15 



Width of head 8-5 Tail 38 



Body 29 



This small species, of which a single male specimen was ob- 

 tained, is closely allied to G. pumilus, Blgr., from Murray Island, 

 Torres Straits, but at once distinguished by its nearly free toes. 



Ablepharus egerIjE, sp. n. 



Snout pointed, rostral not projecting. Eye entirely surrounded 

 with granules ; upper eyelid represented by three or four larger 

 scales. Rostral largely in contact with the frontonasal ; praefrontals 

 forming a long suture ; frontal small, in contact with the first and 

 second supraoculars ; five supraoculars, second largest, fifth smallest ; 

 seven supraciliaries ; iuterparietal distinct from the very large, single 

 frontoparietal ; a pair of large nuchals. Ear-opening rather small, 

 oval. Scales smootli or feebly striated, two vertebral rows largest ; 

 26 or 28 scales round the middle of the body. Limbs well deve- 

 loped, peiitadactyle ; the hind limb reaches the axilla in the male, 

 the elbow in the female ; digits long and slender, smooth inferiorly. 

 Tail once and a half the length of head and body. Bronzy above, 

 with blackish and pale greenish spots ; a light, dark-edged dorso- 

 lateral band ; end of tail blue ; lower parts greenish white. 



millim. millim. 



Total length 113 Fore limb 17 



Head 10 Hind limb 21 



Widtli of head .... 6 Tail 68 



Body 35 



