18 REPTILES. 



Carphophis, Dum. SfBibr.v'n. p. 131. Celuta, Baird, Girard 

 Catal. p. 129. Brachyorrhos, sp., Holbr. N. Amer. Herpet. iii. 

 p. 115. Calamaria, sp., Schleg. Ess. ii. p. 31. Coluber, sp., 

 Say, Harlan, Storer. 



1. Carphophis amcena. 



Coluber amoenus, Say, Journ. Ac. Not. Sc. Phil. 1825, p. 237 ; 

 Harlan, ibid. 1827, p. 355, and Med. Phys. Res. 1835, p. 118 ; 

 Storer, Report, p. 226. Calamaria amcena, Schleg. Ess. pi. 1. 

 f. 19, 20. Brachyorrhos amoenus, Holbr. N. Amer. Herpet. iii. 

 pi. 27. Celuta amcena, Baird, Girard Catal. p 129. Carph- 

 ophis amcena, Dum. Sf Bibr. p. 131. 



Above brown, beneath red (in spirits whitish). 



a. Adult. Delaware. Presented by Henry Doubleday, Esq. 



b. Adult. Pennsylvania. From Mr. Cuming's Collection. 



c. Half-grown. North America. Presented by Sir R. Mur- 



chison. 



d. Adult : bad state. North America. 



e. Half-srown. North America. 



te* 



14. HoMALOCRANioN, Dum. 4" Bibr. 



Body and tail moderate ; head depressed, with flat crown ; 

 two pairs of fi'ontal shields, nearly equal in size ; two nasals, 

 nostril between ; loreal none (in one species present) ; one mode- 

 rate anterior, one or two posterior orbitals. Scales smooth, 

 rhomboidal, in fifteen rows; subcaudals two-rowed. Teeth 

 equal in length, posterior maxillary teeth grooved. Central and 

 South America. 



Homalocranion, Dum. ^ Bibr. vii. p. 855. Calamaria, sp., 

 Schleg. Ess. ii. p. 38, 47 ; Cloelia, sp., Wagl. Syst- Amph. p. 187. 

 Lycodon, sp., Boie, Isis, 1827, p. ^2Q- Elaps, sp.. Coluber, sp., 

 auct. prior. 



1. Homalocranion melanocephalum. 



Coluber melanocephalus, Linn. Mus. Ad. Fried. 1. 15. f. 2, and 

 Syst. Nat. i. p. 378 ; Daubent. Quadr. Ovip. Serp. p. 685 ; Lacep. 

 Quadr. Ovip. Serp. ii. p. 293 ; Bonnat. Ophiol. p. 34 ; Shaw, 

 Zool. iii. p. 490; Daud. Rept. vi. p. 367; Merr. Tent. p. 110. 

 Rlaps melanocephalus, Wagl.SfSpix, Nov. Serp. Bras. t. 26. f. 1. 

 Lycodon melanocephalum, Boie, I. c. Cloelia melanocephala, 

 Wagl. Syst. p. 187. Calamaria melanocephala, Schleg. Ess. pi. 1. 

 f. 30. Homalocranion melanocephalum, Dum. Sf Bibr. j). 851i. 



