412 REPORT OF NATIONAL MUSEUM, 1893. 



Philos. Soc, xir, 1H62, p. 177. — Crotalophorus ^ergemi)tHs,G^RAY, Synops. 

 Rept., p. 78 (1830).— Gkay, Cat. Snakes Brit. Mus.,p. 18 (1849).— Hul- 

 BROOK, N. Am. Herpet., 2 ed., in, p. 29 (1842).— DeKay, Zool. N. Y., in. p. 

 57 (1842).— Baird and Gikakd, N. Am. Serp., p. 14 (1853).— Baird, Serp. 

 N. Y., p. 11 (1854).— Gebiiard, Sixth Rep., State Cab. Nat. Hist. N. Y., (p. 

 22) (1853).— Kennicott, Trans. 111. State Agr. Soc. i., 1853-54 (p. 592).— 

 Cope, Proc. Pliila. Acad., 1859, p. 336.— Max v. Wied, Verz. Rept. Reise 

 N. Amer., p. 74 ^;l865).— Smith, Rept. Geol. Surv. Ohio, iv, p. 674 (1882).— 

 Higley, Trans. Wise. Acad. Sc, vii, p. 161(1884). — Caudisona tergemina, 

 Wagler, Nat. Syst. Amph., p. 176(1830).— Cope, Bull. U. S. Nat. Mus., 

 No. 1, p. 34 (1875). — CouES and Yarhow, Bull. Geol. Geogr. Surv. Terr. 

 (Hayden's), iv, 1878, p. 209. — Cragin, Trans. Kansas Acad. Sc, vii, p. 121 

 (1881).— Davis and Rice, Bull. 111. State Labor. Nat. Hist., i. No. 5 (p. 28) 

 (1883).— Davis and Rice, Bull. Chic. Acad. Sc, i, p. 28 (1883).— Yarrow, 

 Bull. U. S. Nat. Mus., No. 24, pp. 12, 79 (1883).— Hay, Amph. Rept. Indiana, 

 p. 13, pi. II, tig. 15 (1885). — Garnier, Proc. Canad. Inst. Toronto (3), v, 

 1888, (p 255).— GiBBS, Wolver. Natural., i, Feb., 1890, p. 12.— Gibbs, For- 

 est and Stream, xxxix, July 7, 1892, p. 7. 



1838. — Croialus milianits, Kirtlaxd, in Mather's Sec. Rep. Geol. Surv. Ohio, 1838, 

 p. 167 (not of Linn).— W. L. Sclater, Snakes, lud. Mus., p. 74 (1891). 



1838. — Croialus messasaiigus, Kirtlaxd, in Mather's Sec. Rep. Geol. Surv. Ohio, 

 1838, p. 190 (footnote). 



1842. — Crotalophorus kirtlandi, Holbkook, N. Am. Herpet., 2 ed., iil, p. 31. — De 

 Kay, Zool. N. Y., hi. p. 57 (1842).— Gray, Cat. Snakes Brit. Mus., p. 18 

 (1849).— C. lirtlandii, Baird and Girard, Cat. N. Am. Serp., p. 16 

 (1853).— Kexxicott, Trans. 111. State Agr. Soc, i, 1853-'54 (p.592).— 

 Cope, Proc. Phila. Acad., 1859, p. 336. 



1850. — Crotaphorns, sp., Agassiz, Lake Superior, p. 381. 



1854. — Crotalophorus massasauga, Baird, Serp. N. York, p. 12. 



1882. — Crotalophorus tergeminus, vai. kirtlandU, Smith, Rep. Geol. Surv. Ohio, iv, 

 p. 674. — HiGLEY, Trans. Wise. Acad. Sc, vii, 1884, p. 161. 



1882. — Crotalophorus catenatus catenatus Cove, Ptoc. U. S. Nat. Mus., xiv, 1891 (No. 

 882), p. 685. —Taylor,. Amer. Natur^al., xxvi, Sep., 1892, p. 752. 



/-'(V/i/res.— Holbr()OK,N. Am. Herpet., 2 ed., iii, pll. x. vi (1842).— Agassiz, Lake 

 Superior, pi. vi, figs. 6-8 (1850).— Dumeril and Bibrox, Erp^t. G^ndr., 

 Atlas, pi. Lxxxiv t>is, fig. 5 (1854).— Baird, Pac. R. P. Rep., x, Rept., pi. xv, 

 figs. 9, 11 (1859).— Garmax, Rept. Batr. N. Am.,i, pi. ix, fig. 2 (1883). 



Description* — Twenty-five rows of dorsal scales, strongly carinated, 

 with the exception of the first row, which is i)erfectly smooth. Vertical 



Fig. 49. Fig. 50. 



HEAD OF SISTRCRrS CATENATUS, SHOWN FROM TOP AND SIDE. 



plate [frontal] subhexagonal, pointed posteriorly. Seven longitudinal 

 series of blotches. A narrow band of yellowish white extends from the 

 pit.to the neck in liassiug close to the angle of the mouth (figs. 49, 50). 



*Bv C. Girard, in Baird and Girard's N. Am. Serj)., p. 14, from specimens from Wis- 

 consin, Michigan, and Ohio. 



