1885.] ^^ [Cope. 



The definition of the S. t. torquatus is taken from the type of Peale and 

 Greene, which is preserved in the Museum of the Philadelphia Academy. 

 It is correctly identified and figured by Bocourt. 



SCELOPORUS jARROvii Cope, Report U. S. Geol. Expl. Surv. W. of lOOlh 

 mer. p. 569, pi. xxiii, fig. 2, 26, 2c, 2d. 

 Southern Arizona. 

 ScELOPORUS OBNATUS Baird Girard, Proceeds. Academy Philada., 1858, 

 p. 254. Kept. U. S. Mex. Boundary, Survey, Zool. Reptiles, p. 5. 

 Patos Coahuila, Couch. 

 ScELOPORUS DUGESi Bocourt, Miss. Sci. Mexique, iii. p. 188 ; pi. xviii, 

 fig. 7, Ha, lb. Tropidolepis intermedius Duges, La Naturaleza, Mexico, 

 vol. iv, p. 29, pi. i, figs. 21-32. 

 Guanajuato, Duges. 



APPENDIX ON A COLLECTION FROM NEW PROVIDENCE, 

 BAHAMA ISLANDS. 



This collection was sent to the Academy of Natural Sciences of Phila- 

 delphia by Professor Henry C. Chapman, and was submitted to me for 

 identification by my friend Allan Gentry, Assistant Curator. 

 Trachycephalus septentrionalis Tsch. 



LiTHODYTES PLANIROSTRIS CopC. 



Anolis sagr^ Bibron. 



Anolis principalis L. var. porcatus Gray. 



Ungualia maculata Bibr. 



DiADOPHIS RUBESCENS, Sp. nOV. 



Scales in seventeen longitudinal rows, uniporous. Superior labials 

 eight, the third, fourth and fifth entering the orbit ; the fifth higher than 

 long, and the seventh and eighth longer than high. The sixth narrowed 

 and truncate above. Nostril large. Loreal plate with the posterior border 

 oblique and equal to the inferior, and longer than the superior or anterior. 

 Preocular reaching top of head, but not touching frontal. Postoculars two, 

 small. Temporals 1-2, the first in contact with both postoculars and the 

 posterior three labials. Rostral broader than high, not protuberant, barely 

 visible from above. Internasals and prefrontals each subquadrate. Fron- 

 tal elongate, twice as long as wide in front ; superciliary borders a little 

 concave. Parietal plates elongate, common suture not so long as frontal. 

 Gastrosteges, 162 ; anal divided ; urosteges, 119. The teeth are subequal 

 and are rather widely spaced. 



Color light reddish-brown above, below dirty white tinged with pink. 

 A brown band from nostril to eye, and a dark shade along the superior 

 borders of the labials posterior to the eye. Labials and chin yellowish ; 

 the former very faintly reddish-brown. 



Total length, M. .413 ; of tail, .139. 



