120 REPTILES. 



1827, p. 361, and Med. Phys. Res. 1835, p. 124 ; Storer, Reports, 

 p. 224; Dekay, New York Fauna, Rept. t. 11. f. 22; Holbr. N. 

 Amer. Herpet. iii. pi. 17- ? Coluber cyaneus, Shaw, Zool. p. 506 

 (without synon.). Chlorosoma vernalis, Baird ^ Girard, Catal. 

 p. 108. 



Uniform green, paler beneath. Upper labials seven. 



a. Adult. North America. Presented by Dr. J. Bell. 



b, c. Adult. North America. 



d. Young. North America. From Mr. Stevens's Collection. 



e. Half-grown : discoloured. Florida. Old Collection. 

 /. Adult. North America. 



g. Adult. N. America. Presented by the Zoological Society. 

 h. Adult : discoloured. North America. Old Collection. Named 



by Dr. E. W. Gray, and described by Dr. Shaw as Coluber 



cyaneus. 



(The genus Chlorosoma, established by Wagler for Philodryas 

 viridissimus, cannot be applied to Coluber vernalis ; they are too 

 different from one another.) 



3. Cyclophis major. 



Uniform green, paler beneath. Upper labials eight. 



a. Adult. Near Ningpo, China. From Mr. Cuming's Collection. 



Quite similar to C. vernalis, except in the number of labial 

 shields and in size. Length of cleft of mouth f " ; length of tail 

 7" ; total length 30i". 



4. Cyclophis frexatus. 



Upper labials seven. Olive (in spirits) : on each side of the 

 anterior part of body three black longitudinal stripes, the upper 

 one broadest, beginning from the eye. 



a. Mountains near Affghanistan. Presented by the Hon. East 

 India Company. 



Description. — Habit more slender than in the other species; 

 head distinct from the slender neck, broad between the eyes, 

 with short muzzle. Rostral broad, rounded, reaching the surface 

 of head ; anterior frontals narrow ; posterior ones twice as broad, 

 and bent on the sides ; vertical broad in front, with very diver- 

 gent lateral edges; superciliaries broad behind; occipitals rounded 

 and divergent behind ; one anterior, two posterior frontals ; 

 loreal square ; nostril in the centre of nasal, its cleft reaching 

 the first labial ; seven upper labials, the third and fourth form- 

 ing the lower edge of orbit ; three large temporals ; chin-shields 

 regular. Anal bifid. Crown of head, back, posterior part of 



