74 REPTILES. 



m. Adult. North America. 



n. Adult. North America. From the Haslar Collection. 



o. Adult. North America, From the Haslar Collection. 



p. Adult. North America. From the Haslar Collection. 



q. Adult. North America. 



Subvar. 2. Without spots on the occiput. 



r, s. Adult and half-grown. North America. Presented by 



Dr. Jacob Green. 

 t. Young. North America. 

 u. Young. North America. Presented by Edward Doubleday, 



Esq. 

 v, w. Adult and half- grown. North America. 

 x. Adult. ? From Paris. 



Var. B. Coluber sirtalis, Linn. Syst. Nat. p. 383 ; Shaw, Gen. 

 Zool. iii. p. 535 ; Merr. Tent. p. 132; Hurl. Journ. Acad. Nat. 

 Sc. Philad. 182/, p. 352; Storer, Reports, p. 221. Le Sirtale, 

 Daubent. Encycl. Meth. ; Lace'p.l. c. p. 323 ; Latr. Rept.iv. p. 69 ; 

 Daud. 1. c. p. 146. Tropidonotus sirtalis, Holbr. N. Amer. Her- 

 pet. iv. pi. 1 1 . Eutainia sirtalis and E. dorsalis, Baird <y Girard, 

 Catal. pp. 30, 31. 



Ground colour olive, greenish or brown; stripes very con- 

 spicuous. 



Subvar. 1 . Space between bands black-spotted ; two yellow 

 spots on the occipital shields. 



y. Adult. North America. Presented by Dr. Jacob Green. 



z. Adult. Greatly injured. North America. Presented by 

 Edward Doubleday, Esq. 



a. Half-grown. North America. Presented by Edward Double- 

 day, Esq. 



fi-8. Adult and young : not good state. North America. Old 

 Collection as C. tamiatus, Dr. E. \V. Gray. 



6, i). Adult. North America. 



6, {. Half-grown : not good state. North America. 



i. Half-grown. North America. 



Subvar. 2. Space between bands black-spotted, without spots 

 on the occiput. 



k. Half-grown: tail injured. North America. Presented by 



Edward Doubleday, Esq. 

 X. Half-grown : bad state. North America. Presented by 



Edward Doubleday, Esq. 

 /i. Adult. New York. Presented by Mr. J. Murray. 

 v. Adult : line specimen. North America. 



