294 AGAMinJ!. 



17. Gonyocephalus modestns. 



Gonyocephalns (Hypsilurus) modestus, Meyer, Mon. Berl. Ac. 1874, 



p. 130. 

 (Arua) inomatus, Doria, Ann. Mm. Oenov. vi. 1874, p. 345, 



pi. xi. fig. e. 

 TArua) modestus, Peters Sf Doria, Ann. Mm. Genov. xiii. 1878, 



p. 380. 



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

 orbit; canthus rostralis and supraciliary 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 ; limbs 

 and taU 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. <S • Am Island. Marquis G. Doria [P.]. 



(One of the types of G. inornatm.) 



18. Gonyocepjialns geelvinManns. 



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. Yinaceous 

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

 tail with dark cross bands. 



Size of the preceding. 



Northern New Guinea. 



