37. GECKO. 187 



band, frequently quite indistinct on the front of the back, sometimes 

 bordered by a blackish band. 



New Guinea ; Pelew and Solomon Islands. 



a-b, c. (S Pelew Islands. Godeffrov Museum. 



d-f. 6 S . Duke of York Island. Rev. G. Brown [C.]. 



g^. d $ ■ San ChristoTal. Voyage of the * Herald.' 



Jc. (J . San Christoval. Museum of Economic Geology. 



I. 2 ■ Santa Anna Island. H. B. Guppy,*E3q. [P.]. 



4. Gecko monarclius. 



Gecko monarchus, Ch-ay, Cat. p. 161. 

 Platydactylus monarchus {Schleg.), Dum. ^ Bibr. iii. p. 335 ; Cantor, 



Cat. Mai. Sept. p. 19. 



(Scelotretus) monarchus, Fitzing. Syst. Rept. p. 101. 



Gecko monarchus, Cfirard, U.S. JBxplor. Exped., Herp. p. 292 ; 



Qunth. Rept. Brit. Ind. p. 103. 



Head moderately large, oviform ; snout longer than the distance 

 between the eye and the ear-opening, about once and two thirds the 

 diameter of the orbit ; forehead concave ; ear-opening oval, oblique, 

 its greatest diameter one third that of the orbit. Body and limbs 

 moderately elongate ; digits feebly dilated for the genus, with a 

 rudiment of web. Snout covered with rather large granular scales, 

 the rest of the head with very small granules intermixed with 

 scattered larger ones. ; nostril pierced between the rostral and first 

 labial ; upper labials ten or eleven, lower labials nine or ten ; mental 

 subtriangular ; a large median pair of chin-shields, about three times 

 as long as broad, bordered by a few irregular smaller shields. Back 

 and limbs covered with very small granules intermixed with nume- 

 rous, irregularly arranged, rounded conical tubercles. Throat with 

 very small granules ; abdominal scales moderate. Femoral pores in 

 a long series, forming a very open angle in the middle, sixteen to 

 twenty on each side. Tail slightly depressed, distinctly annulate, 

 covered above with very small flat granular scales and transverse 

 series of posteriorly directed conical tubercles, inferiorly with large, 

 rather irregular dilated scales ; each annulus is composed of twelve 

 to fourteen transverse rows of scales superiorly, three or four infe- 

 riorly. Brown or grey, spotted with blackish, a median double series 

 of spots along the middle of the back being constant ; tail with more 

 or less marked darker and lighter rings ; lower surfaces whitish. 



Total length 190 millim. 



Head 23 „ 



Width of head 18 „ 



Body 60 „ 



Pore limb 29 „ 



Hind limb 37 „ 



Tail . . . ; 107 „ 



East Indies, from Ceylon and the Malay peninsula to Amboyna. 



a, ^ . Ceylon, Dr. Kelaart. 



h-c. Dried spec. Pinang. Dr. Cantor. 



