308 CLASS XV. 



PI. 43 ; lio-ht blue, with white transverse bands ; the scales large and thin ; 

 those of the belly keeled and pointed ; Bengal ; — Calotes (jutturosus Wiegm., 

 Bronchocda cristatella Kaup, Agama moluccana Less., Duperket Voyage 

 autour du Monde, Rcpt. PI. i, fig. i ; Guek. Iconogr., Rept. Tab. 7, fig. 3; 

 a very common species in the Sunda-islands. 



Gonyoceplialus Kaup, Lophyrus Dum. Scales of back small, 

 arranged in transverse rows, with larger and rounded interposed. 

 Jugular fold transverse, angulate. Tail compressed or subcom- 

 pressed. 



Sp. Calotes megapogon Mus. L. B., Lophyrus dilophus Dum. and Bibk. Erpet. 

 PI. 46, New Guinea ; — Calotes tigrinus nob., Gonyocephalus tigrinus Gkat, 

 Seba Thes. I. Tab. 100, fig. 2, Schleg. Ahhild. Tab. 23, Dum., Bibb. 

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

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



ArpepTiorus A. Dumee. 



Sp. Arpephorus tricinctus A. Dumeeil, Guerin Magasin de Zool. 185 1, 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 ^. 



/3) Membrane of tympanum concealed. 



Ceratopliora Gray. 



Otocryptis WiEGM. 



Lyrioceplialus 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. Lyriocephalics margaritaceus Merr., Lacerta scutata L., Seba Thesaii/r. 1. 

 Tab. 109, fig. 3, Cuv. R. Ami., ed. ill., Rept. PI. 15, fig. 2; Ceylon. 



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

 Calotes nasicornis, that in colour and in position of the scales corresponds with the 

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

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

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

 membrane. 



