SNAKES. 119 



2. Cyclophis, Gunther. 



Habit slender ; belly rounded ; head ovoid, distinct from neck ; 

 shields of crown regular; one anterior, two posterior oculars; 

 one loreal (in one species wanting) ; one nasal, pierced by the 

 nostril. Scales subelliptical, rather large, smooth, in fifteen 

 rows (in one species keeled, in seventeen). Eye rather large, 

 pupil round. AH the teeth equal, smooth. East Indies; North 

 America. 



Chlorosoma, Baird Sf Girard, Catal. p. 108. Leptophis, 

 Holbr. N. Amer. Herpet. iii. p. 17; Baird & Girard, Catal. p. 106. 

 Herpetodryas, sp., Sclileg. Ess. ii. p. 187- Coluber, sp., auct. 

 prior. 



1. Cyclophis ^stivus. 



Catesby, Hist. Carol, ii. t. 57. Coluber aestivus, Linn. Syst. 

 Nat. i. p. 387 ; Shaw, Zool. iii. p. 551 ; Harl. Journ. Ac. Nat. Sc. 

 Philad. 1827, p. 357, and Med. Phys. Res. 1835, p. 121 ; Lacep. 

 Quadr. Ovip. Serp. ii. p. 395 ; Latr. Rept. iii. p. 88 ; Daud. 

 Rept. viii. p. 101. Natrix aestiva, Merr. Tent. p. 121. Herpe- 

 todryas aestivus, Schleg. Ess. pi. 7. f. 12, 13; Dum. ^ Bibr. 

 p. 209. Leptophis aestivus, Holbr. N. Amer. Herpet. iv. t. 3. 

 Leptophis aestivus and L. majalis, Baird 8f Girard, Catal. p. 106, 

 and in Marcy, Explor. of the Red River, pi. 9. 



Scales keeled, in seventeen rows; seven upper labials; one 

 nasal; snout rounded, rather blunt in front. Above uniform 

 olive-green, beneath paler. (See Philodryas cestivus.) 



a. Adult. Texas. From Mr. Cuming's Collection. 



b. Adult. New Orleans. From M. Salle's Collection. 



c. Adult. California. Presented by Mrs. Drummond. 



d. Adult. Michigan. From Mr. Cuming's Collection. 



e. Adult. Delaware. Presented by Edward Doubleday, Esq. 

 /. Adult. N. America. Presented by Edward Doubleday, Esq. 

 g-i. Adult. N. America. Presented by Edward Doubleday, Esq. 

 k, I. Adult. N. America. Presented by Edward Doubleday, Esq. 

 m. Adult : male. N. America. Presented by Edward Double- 

 day, Esq. 



n. Adult. America. From Paris. 



0. Half-grown. West Indies. From Mr. Scrivener's Collection. 



p. Adult. America. From the Haslar Collection. 



q. Adult. America. Presented by the College of Surgeons. 



2. Cyclophis vernalis. 



Coluber vernalis, (Dekay) Harl. Journ. Ac. Nat. Sc. Philad. 



