/ 



16 



EXPLANATION OK THE PLATES. 



Flaw. 



xxxin 



XXXIV 



XXXV ... 



XXXVI... 



Fi(.'. 



n 



.02 



93 



94 



95 



96 



97 



98 



99 



100 



1 



2 



3 



4 



5 



6 



7 



1 



2 



3 



4 



5 



6 



7 



8 



1 



2 



3 



4 



5 



6 



7 



8 



\ainc. Page. 



IlilJea slrialula, B.&G 122 



Parancia abacura, B. & G 123 



Abastor erylhrofframmM, Gray 125 



Virginia valena, B. & G 127 



Cdutattmoena,'R. kG. 129 



TantiOa coronala, 'R. k G 131 



Oaceola e/apsoidea, B. &G 133 



Storeria dekayi, B. & G. 135 



..do.. occipito-macuUda, B. & G 137 



Rena dulcis, B. & G 142 



Georgia couperi, B. &G 92 



Narodia rliombifer, B. &G 147 



. .do. . woodhoutii, B. &G 42 



..do. .fasciata, B. & G 39 



Eutaenia radix, B. & G 34 



l.oralliy. Detail! given. 



Richmond, Virginia, 2 diam u.l.s.f.sc. 



Bed river, Louisiana u. 1. s. f. ec. 



Southern States u. 1. 8. f. 8C. 



Maryland, 2 diam u.l. 8. f. 8C. 



Carlisle, 2 diam u.l. a. f. 8C. 



Kemper county, MisBissippi, 2 diam u. s. 



Charleston, South Carolina, 2 diam u. s. 



Framingham, Massachusetts, 2 diam u. s. 



Madrid, New York, 2 diam u. s. 



San Pedro, Can. Sp., Tex., 3 diam .....u.l.s. 



Georgia a. b. c. d. e.* 



Arkansas As in fig. 1. 



Texas As in fig. 1. 



South? ...As in fig. 1 » 



Wisconsin ? ..As in fig. 1. 



? Microps litieaius, Hall' Fort Chadbourne, Texas As in fig. 1. 



Crolxlua iigria, Kennicott'' As in fig. 1. 



Crotalua Colorado Bottom As in fig. 1. 



OroUdua Sierra Verde, California As in fig. 1. 



Crdahxu ceradea. Hallow.'' As in fig. 1. 



..do Sierra Verde, California As in fig. 1. 



Lamprosoma occipitaU, Hall^ Colorado Desert As in fig. 1. 



LamprosomaloccipUale, Hall'' California As in fig. 1. 



Thluca lineala, Kenn^ Valley of Mexico As in fig. 1. 



Crotalug lucifer, B. & G 



Eutaenia leplocephala, B. & G 



-.do pickeringii, B. & G.. 



Fityophis caienijtr, B. & G 



..do wilkesii, B. & G 



Batcanion vetustua, B. & G 



fi 



29 



27 



, 69 



71 



97 



Conlia milia, '&. k 110 



Oregon As in fig. 1. 



Oregon As in fig. 1. 



Oregon As in fig. 1. 



California As in fig. 1. 



Oregon As in fig. 1. 



Oregon As in fig. 1. 



Oregon, 2 diam As in fig. 1. 



Lodiatenuis, B. & G 116 Oregon, 2 diam As in fig. 1. 



^ All, except head from front. 



a Add f. dorsal scales ; g, side view of ditto, showing a peculiar serration of the carination. 



» Hallowell, Pr. A. N. Sc. VIH, 1856, 240. 



■> Mex. Bound. Eep. II, 1839 ; Eoptiles, 14. 



« Halloweil, Pr.'A. N. Sc. VII, June, 1854, 95. 



» U. S. Mex. Bound. II, 1859 ; Reptiles, 21. 



'■ Haliowell, Pr. A. N. So. ut supra. 



8 Kennicott, ul supra, 23. 



