14. ^LTJEOSAURTTS. 73 



marbled ; scales very minute, of head rather larger ; lower labial 

 plates 10-1-10 ; the lower rostral small, trigonal, the other plates 

 very gradually smaller ; chin granular ; those in the ceiltre of the 

 front rather larger, 6-sided ; tail ? ". 



a-b- Australia, Mr. Buchanan. (Types.) 



14. ^LUEOSAURUS. 



Pentadactylus, Giinther, Rept. Brit. Ind. p. 117 (wee Oray). 



Digits short, oyUndrioal at the base, and with transverse lamellae 

 inferiorly, compressed in the distal phalanges, which are raised and 

 furnished with a claw reotractile between two large plates forming 

 a compressed sheath ; a narrow plate covering the upper suture of 

 the two distal plates. Body covered with small juxtaposed flat 

 scales. Upper and lower eyelids well developed, connivent. Pupil 

 vertical. Males with prseanal pores. 



East Indies ; Australia ? 



1. iElurosaurus felinns. (Piate III. fig. 8.*) 



Pentadactylus felinus, Guntk. I. c. pi. xii. fig. F. 

 borneensis, Cfiinth. I. c. 



Habit slender. Head depressed, elongate, very distinct from 

 neck ; snout pointed, longer than the distance between the eye and 

 the ear-opening, once and one third the diameter of the orbit ; ear- 

 opening small, suboval, oblique. Body long, not depressed. Limbs 

 long and thin. All the scales uniform, small, flat granules. Eostral 

 broad and low, separated from the nostril, which is pierced between 

 two larger anterior nasals, the first labial, and small granules pos- 

 teriorly ; two large internasals followed by three other plates ; 

 thirteen upper and as many lower labials, the latter in contact with 

 another series of equally large plates ; mental small, very low. 

 Tail short, rounded, vertically oval when intact, ending in a very 

 obtuse point, probably prehensile. Male with twenty-one prseanal 

 pores in an angular series. Brown above, with two dorsal series of 

 more or less distinct lighter, dark-edged roundish spots ; sometimes 

 scattered white dots on the sides of the body, forming spots on the 

 tail (spec, b) ; upper lip whitish ; lower surfaces whitish, brown- 

 dotted. 



Total length 157 mil]im. 



Head 23 „ 



Width of head 14 „ 



Body 71 „ 



Pore limb 29 „ 



Hind limb 38 „ 



Tail 63 „ 



Singapore ; Borneo. 



* Lower and lateral view of fourth toe, x 4. 



