294 a&amiDjB. 



17. Gonyoceplialxis modestns. 



Gonyooeplialus (Hypsilurus) modestus, Meyer, Man. Berl. Ac. 1874, 



p. 130. ~ 

 (Arua) inomatus, Dona, Ann. Mus. Genov. vi. 1874, p. 346, 



pi. xi. fig. e. 

 CArua) modestus, Peters Sf Dona, Ann. Mus. Genov. ziii. 1878, 



p. 380. 



Snout rather pointed, a little longer than the diameter of the 

 orbit; oanthus rostralis and supraeiliary edge not projecting; 

 tympanum as large as the eye- opening ; upper head-scales very 

 small, subequal, sharply keeled ; occipital enlarged ; ten to twelve 

 upper and seven or eight lower labials. Gular sac small, without 

 serrated edge ; gular scales very small, granular. Nuchal crest (in 

 both sexes) reduced to a few widely separated, short, triangular 

 spines, the anterior of which falls above the centre of the tym- 

 panum ; no dorsal crest properly speaking, but a vertebral series of 

 slightly enlarged keeled scales. Dorsal scales very small, equal, 

 keeled, with the points directed upwards and backwards ; ventral 

 scales small, keeled. Limbs above with equal keeled scales ; fourth 

 finger a little longer than third; the adpressed hind limb reaches 

 the tip of the snout. Tail feebly compressed, without serrated upper 

 edge ; caudal scales all keeled, largest inferiorly ; length of the tail 

 twice and two thirds that of head and body. Olive-brown ; hmbs 

 and tail with darker cross bands. 



Total length 335 millim. 



Head 23 „ 



Width of head 14 „ 



Body 67 „ 



Fore limb 54 „ 



Hind limb 84 



Tail 245 „ 



New Guinea. 



a. c? ■ Aru Island. Marquis G. Doria [P.]. 



(One of the types of G. inornatm.) 



18. Gonyocephalus geelvinManus. 



Gonyocephalus (Arua) geelvinkianus, Peters ^ Doria, Ann. Mus. 

 Genov. xiii. 1878, p. 381. 



Closely allied to the preceding. Loreal scales smaller, in seven or 

 eight series ; eight or ten upper and eight or nine lower labials. 

 Gular sac well developed; gular scales very small and keeled. 

 Nuchal crest formed of lanceolate scales united at the base by a fold 

 of the skin, decreasing abruptly in size between the shoulders; 

 dorsal crest continuous with the nuchal, but much lower. Vinaceous 

 brown or olive above, dotted or vermiculated with black ; limbs and 

 tail with dark cross bands. 



Size of the preceding. 



Northern New Guinea, 



