14 



EXPLANATION OF THE PLATES. 



Plate. 

 XXIV.. 



XXV. 



XXVI. 



xxvu. .. 



xxvni . 



F.g. 



1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



11 bis 

 12 

 13 

 14 

 15 

 16 

 17 

 1.8 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 



1 



2 



3 

 27 

 28 

 29 

 30 

 31 

 32 

 33 

 34 

 35 

 36 

 37 

 38 

 39 

 40 

 41 

 42 



42 bis. 

 43 



Nnmc. 



Crotalm duritma, L. p - . . . . . 

 ..do., adamanteus, Beau v. . 

 ..do.. cUtox, v.. &G 



..do.. confiuentM, Say. 



..do., molotms, B. & G 



rage. 



1 



3 



6 



8 



10 



. .do. . oregonus, Holb 145 



Crotahphona miliariut, Holb 



....do comors, B. &G 



Crotalophorut tergeminut, Holb ... 



do edicardsii, B. &G ... 



do kirllandii, Holb ... 



do do (young) 



Ancistrodon amtortrix, B. &G. 



Toxicophis phcivorui, B. & G .. 



do 2'ug)iax, B. & G 



Flaps fulvius, Cuv... 



..do.tener, B. & G ... 



..do.tristui, B. & G 



Dipsas g€ptejitrumalis, Kennicott^ 



Eulaenia saurita, B. &G ... 



..do faireyi, B. &G. 



. .do proxima ?, B. &G .. 



. .do omata, B. &G. - 



..do sirtalis, B.& G 



..do ordinata, B. &G 



..do.. .radix, B. & G 



..do rnarciana, B.&G 



11 



12 

 14 

 15 

 16 

 16 

 17 

 19 

 20 

 21 

 22 

 23 



, 24 



25 



25 



28 



30 



32 



34 



, 36 



Nerodia tramversa, B.&G 148 



EiUaenia dortalis, B.&G . 31 



..do ordinoidea, B. & G. 33 



Nerodia sipedon, B. &G 38 



..do., eri/throgatter, B.&G 40 



..do., taxifpilota, B. &G -- 43 



..do., holbrookii, B.&G. 43 



..do., niger, B. &G 147 



Regina leberia, B. &G 45 



..do. .rigidn, B &G 46 



. .do . .grahamii, B. &G 47 



..do. .clarldi, B. & G 48 



..do.. kirllandii, Kenn.* 



Ninia diademala, B.&G 



Ileierodon platyrhinoi, Latr .. 



do. .cognatut, B. &G- 



do.. niger, Troost 



do. .almcdes, B. &G... 



do. .timm, Holb 



do. .simus, (second spec.) 



do. .natictts, B. & G... ..... 



49 

 51 

 54 

 55 

 67 

 59 

 59 

 61 



Locality. Df uils giTcn. 



Carlisle, Pennsylvania All. 



Pensacola, Florida All. 



Indianola, Texas u. l.B. f. 



Bed River All. 



Sonora u. 1. s. f. sc. 



Oregon? u. sc. 



Charleston , South Carolina All. 



Indianola, Texas u. sc. 



Racine, Wisconsin All. 



Rio Grande, Texas All. 



Ohio All. 



Ohio ..s. 



Near San Antonio, Texas All. 



Red River, Louisiana All. 



Indianola All. 



Charleston, South Carolina All. 



San Felipe, Texas All. 



Kemper county, Mississippi All. 



-Brownsville, Texas All. 



Carlisle, Pennsylvania All . 



Red River, Louisiana All. 



Indianola, Texas All. 



San Antonio to El Paso .All. 



Westport, New Torli All. 



Riceboro' , Georgia All. 



Racine, Wisconsin All. 



Red ri,-er u. 1. s. f. so. 



Red river All. 



Texas All. 



California All. 3 



Carlisle, Pennsylvania All. 



Red river, Louisiana ..u. 1. s. f. sc. 



Liberty county, Georgia All. 



Bed river, Louisiana All. 



Massachusetts All. 



Carlisle, Penns (rlvania All. 



Pennsylvania All. 



Texas All. 



Indianola u. 1. s. f. sc. 



.Illinois All. 



Orizaba, Mexico s. u. 



Carlisle, Pennsylvania All. 



Indianola AU. 



Carlisle, Pennsylvania All, nasal pi. 



Charleston, South Carolina All, n. p. 



do do AU. 



do do u. 



Eagle Pass, Texas All, n. p. 



» U. 8. Boundary Report, II, 1859 ; Reptiles, p. 16. 



a D. 8. Boundary Report, II, 1859; Reptiles, 16 : Eutaenia parietalit, Catal. Serpents, 28. 

 ' a, bead from above ; b, do. from side ; r, do. from below ; d, anal region ; e, side scales. 

 * KiMNioorr, Pr. A. N. Sc. VIII, April, 1856, 95. 



