308 CLASS XV. 



PI. 43 ; light blue, with white transverse bands ; the scales large and thin ; 

 those of the belly keeled and pointed ; Bengal Calotes gutturosus WIEGM., 

 Bronchocela cristatella KAUP, Agama moluccana LESS., DUPEBREY Voyage 

 autour du Monde, Kept. PL i, fig. i ; GUEB. Iconogr., Kept. Tab. 7, fig. 3 ; 

 a very common species in the Sunda-islands. 



Gonyocephalus KAUP, Lophyrus DUM. Scales of back small, 

 arranged in transverse rows, with larger and rounded interposed. 

 Jugular fold transverse, angulate. Tail compressed or subcom- 



Sp. Calotes megapogon Mus. L. B., Lophyrus dilophus DUM. and BIBB. Erpet. 

 PL 46, New Guinea; Calotes tigrinus nob., Gonyocephalus tigrinus GRAY, 

 SEBA The*, i. Tab. 100, fig. 2, SCHLEG. Abbild. Tab. 23, DUM., BIBB. 

 Erpti. PI. 41; Java, Sumatra; with a short head, flat or concave above, 

 strongly declining forwards ; a sharply projecting edge above the eyes. 



Arpephorus A. DUME*R. 



Sp. Arpephorus tricinctu* A. DUMEBIL, GU^BIN Magasin de Zool. 1851, PI. 

 7 ; this animal, which is known to me from the figure referred to alone, 

 would seem to be a native of Java : in addition to the dorsal scales placed 

 in transverse rows and the compressed tail of Gonyocephalus, it has a flattened 

 projection of skin, like a sword, that terminates in a point at the fore part 

 of the head 1 . 



f3) Membrane of tympanum concealed. 

 Ceratophora GRAY. 

 Otocryptis WlEGM. 



Lyriocephalus MERR., DUM. and BIBR. (Lyrocephalus WAGL.) ; 

 Head crested on both sides above the eyes, the crest at the occiput 

 running out into a point. Globose tubercle at the point of snout. 

 Throat with dewlap obsolete; jugular fold angulate. Back and 

 tail with a low, denticulate crest. Tail compressed. Scales at the 

 sides of back granular, small, with larger subrotund and keeled 

 interposed. Abdominal scales larger than dorsal, keeled. 



Sp. Lyriocephalus margaritaceus MEBR., Lacerta scutata L., SEBA Thesaur. 

 Tab. 109, fig. 3, Cuv. R. Ani., id. ill., Rept. PI. 15, fig. 2; Ceylon. 



1 In the Museum at Leyden there is a specimen with the provisional name 

 Calotes nasicorn.is, that in colour and in position of the scales corresponds with 

 figure of Arpephorus, but has only a small pointed and soft appendage on the snc 

 The scales also, which are very large and almost quadrangular, are conspicuously 

 keeled, of which DuMEBiL gives no notice. I cannot perceive an external tympanic 

 membrane. 





