1897.] 



LIZARDS OF THE GENFS SCELOPORUS. 



497 



(1) The specimens from Omilteme iiave been referred by GiJnther to 

 8. viviparm. 



(2) This specimen has been referred by Giinther to S. spinosus. 



(3) The specimens from S. Mexico have been referred by Giinther to S. tov 

 quatus. 



Males green or dark olive above, the dorsal scales often black at 

 the sides ; head dark ohve above, uniform or with pale green 

 spots ; a black collar, continuous or broadly interrupted between 

 the shoulders, and extending across the throat. Lower surface of 

 head and body dark blue, uniform or with the breast and the 

 middle line of the belly yellowish white or pale bluish green ; the 

 light ventral stripe edged with black. In some of the specimens 

 from Omilteme the throat is bluish white with oblique blue stripes 

 converging backwards . Females olive or olive-brown above, spotted 

 with black, or with more or less regular black wavy cross-bands ; 

 black collar ill-defined or reduced to a bar in front of the shoulder, 

 not extending across the throat. Lower parts yellowish white, 

 throat bluish gi-een. 



This species is very closely allied to S. spinosus, from which it 

 differs in the stronger mucronation and denticulation of the dorsal 

 scales. 



The type specimens came from St. Agustin, W. slope of 

 Atitlan, Guatemala, 2000 ft. The specimens which I refer to the 

 same species are from' Jalapa, Omilteme, and Amula, South 

 Mexico, Hacienda Eosa de Jericho in Nicaragua, 3250 ft., and 

 Bebedero in Costa Eica. 



12. ScELOPOETJS ASPBE, sp. B. (Plate XXXIII.) 



Head-shields smooth ; frontal transversely divided, the anterior 

 moiety often longitudinally bisected, in contact with the inter- 

 parietal or narrowly separated from the latter by the fronto- 

 parietals ; interparietal as long as broad or a little broader than 

 long, much larger than the parietals ; a series of four transversely 



