88 reptiles. 



1. Coluber ^sculapii. 



Anguis iEsculapio sacer, Gesner, De Serpent, v. p. 44. Natrix 

 longissima, Laurenti, Syn. p. 74. Coluber flavescens, Gmelin, 

 Syst. Nat. p. 1115; Baud. Rept. vi. p. 272; Bote, Isis, 1827, 

 p. 536 ; Lenz, SchlangenJcunde,y>. 509 ; Schinz, Fauna der Schweiz, 

 i. p. 142 ; Bonap. Fauna It. pi. ; Lacep. Hist. Nat. Quadr. Ovip. 

 ii. p. 16*5; Bonnat. Ophiol. p. 43. Coluber sesculapii, Sturm's 

 Fauna, iii. Heft ii. f. a ; Shaw, Zool. iii. p. 452; Latr. Rept. iv. 

 p. 54 ; Daud. Rept. vii. p. 30 ; Cuv. Regne An. ; Boie, I. c. ; Lenz, 

 I.e. p. 517; Schley. _Ess.pl. 5. f. 1,2. Coluber scopoli, Merr. Tent. 

 p. 104 ; Risso, Hist. Nat. Eur. Merid. iii. p. 90. Zainenis sescu- 

 laph, Wagl. Syst. Arnph. p. 188. Calopeltis flavescens, Bonap. 

 Amph. Eur. p. 47. Elaphis aesculapii, Dum. Sf Bibr. p. 278. 



Scales in twenty-one or twenty-three rows, those on the pos- 

 terior part of the back so slightly keeled as to be hardly visible ; 

 anal bifid ; upper labials eight, the fourth and fifth reaching the 

 orbitj Above uniform brownish grey, beneath yellowish ; on 

 each side of the neck a yellow or lighter spot. 



a. Adult. France. Presented by M. Verreaux. 



b. Adult. Europe. Presented by J. J. Bianconi. 



2. Coluber ouadrivittatus. 



Chicken Snake, Bartr. Trav. in Florida, p. 275. Coluber 

 quadrivittatus, Holbr. N. Amer. Hcrpet. iii. pi. 20; Dekay, New 

 York Fauna, iii. p. 41. Scotophis quadrivittatus, BairdSf Girard, 

 Catal. p. 80. Elaphis quadrivittatus, Dum. fy Bibr. p. 265. 



Body and tail slender Scales keeled, in twenty-seven rows. 

 Anal bifid ; eight upper labials, fourth and fifth coming into the 

 orbit. j Dull yellowish, with four longitudinal brown stripes. 



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



b. Adult. N. America. 



c. Adult. N. America. Presented by the College of Surgeons. 



3. Coluber quadriuneatus. 



Coluber quadrilineatus, Pallas, Zoogr. Rosso-Asiat. iii. p. 40. 

 Coluber cruentatus, Steven. Bull. Soc. Nat. Mosc. viii. pi. !'. 

 Coluber leapardmas, Bonap. Faun. hid,, pi. ; Schleg.Ess. ii. 169. 

 Calopeltis leopardinus, Bonap. Amph. Eur. p. 48; Nordmann, in 

 Voy. Russ. Merid. par A. Demidoff, Rept. pi. 6. f. 1 (young), 

 pi. 8 & 9. Ablabes quadrilineatus, Dum. $ Bibr. vii. p. 319. 



Scales smooth, in twenty-five or twenty-seven rows; upper 

 labials eight, fourth and fifth coming into the orbit; anal bifid J 

 Above reddish brown, with four series of rounded or ovoid black- 



