Mr. G. A. Boulenger on a new Anolis from Antigua. 375 



which stands next on the list of synonyms. The name 

 Ghaunus, Tschudi (1838), cannot be used, as the genus was 

 established by Wagler (1828) for a species of Bufo. The 

 specific name Phryniscus formosus, Tschudi, suggested by 

 Philippi to replace Phryniscus nigricans, must be rejected, as 

 nothing but a nomen nudum, and Phryniscus guttatus, Philippi, 

 1861, appears to be a synonym of the true P. nigricans. The 

 only name available is Phryniscus Stelzneri, Weyenbergh, 

 Period. Arg. i. 1875, p. 331; and the species should henceforth 

 be designated Atelopus Stelzneri. 



The other species of the genus Atelopus are : — 



Atelopus proboscideus, Blgr., A. ignescens, Cornalia (Icevis, 



Gthr.), A. s&miniferus, Cope, A. varius, Stann., A. longi- 



rostris, Cope, A. Jiavescens, 1). & B., A. pulcher, Blgr., A. 



cruciger, Mart., A. elegans, Blgr., and A. Bibronii, Schmidt. 



XLVII. — Description of a new Anolis from Antigua, West 

 Indies. By G. A. BOULENGER, F.R.S. 



A SMALL collection of Reptiles from Antigua was presented 

 to the Natural-History Museum by Mr. Francis Watts, of the 

 Government Laboratory, Antigua. It contains examples of 

 four species, viz.: — Typhlopslumbricalis, Thecadactylus rapi- 

 cauda, Anolis Leachii, and a new Anolis, a description of 

 which is given in this note. 



Anolis Wattsii. 



Head nearly twice as long as broad, longer than the tibia ; 

 snout rather strongly depressed ; forehead concave, with 

 distinct ridges ; upper head-scales smooth ; scales of the 

 supraorbital semicircles strongly enlarged, in contact in the 

 middle ; six or seven enlarged keeled supraocular scales, 

 separated from the supraorbitals by one row of granules; 

 occipital smaller than the eye-opening, separated from the 

 supraorbital semicircles by three or four rows of small granular 

 scales ; canthus rostralis sharp, canthal scales three ; loreal 

 rows five ; six or seven labials to below the centre of the eye ; 

 ear-opening moderately large, vertically oval. Gular append- 

 age moderately large, merely indicated in the female ; gular 

 scales keeled. Body compressed, without dorso-nuchal fold. 

 Dorsal scales minutely granular, enlarged and keeled on the 

 vertebral line ; ventral scales a little larger than vertebrals, 

 much smaller than antefemorals, strongly keeled, imbricate. 

 Limbs moderately long ; the adpressed hind limb reaches the 



