1146 



REPORT OF NATIONAL MUSEUM, 1898. 



This species ranges throughout Texas aud part of Oklahoma, the 

 Wichita specimen being the largest that I have seen. I took a speci- 

 men in the sandy region in the eastern part of Wheeler County, in the 

 Pan Handle of Texas. 



Sistrurtis caienatus edwai-dsii Baird and Girard. 



Catalogue 

 No. 



509 



511 

 5177 



506 



8409 



22136 



17789 



Number 

 of speci- 

 mens. 



Locality. 



Mexico 



Brownsville, Texas 



Stockton, Texas 



Sonora, Texas 



Southern Arizona 



Las Cruces, New Mexico 



Experiment Station. 

 Mount Huacliuca, Arizona 



"When 

 collected. 



From whom received. 



JDr. L. A. Edwards, 



U. S. A. 

 Col.J.n.Graham, U.S.A. 



J. Fairie 



Col. J. U. Graham, U.S. A. 



H. W. Heiishaw 



T. D. A. Cockerell 



Wilcox 



Nature of 

 specimen. 



Alcoholic 



type. 

 Alcoholic. 



do. 



do. 



do. 



do. 



do. 



SISTRURUS CATENATUS CATENATUS Rafinesque. 



Sistrurua catenains Garman, N. Amer. Rept., 1883, p. 118. 



Crotaliis tergeminus Say, Long's Exped. Rocky Mts., I. p. 499 — Boie, Isis von Oken, 



p. 270— Harlan, Jonrn. Acad. Nat. Sci., V, p. 372— Boie, Isis von Oken, 



p. 563 — DuMERiL and Bibhon. Erp. G^n., VII, 1851, p. 1479. 

 Crotalophorus tergeminus Gray, Synops. Rept., p. 78 — Holbrook, N. Am. Herp., 



Ill, p. 29 — Gray, Cat. Brit. Mus., p. 18. — Baird aud Girard, Cat. N. Amer. 



Rept., Pt. 1, 18.53, p. 14. 

 Crotalophorus kirtlandii Holbrook, N. Am. Herp., Ill, 1842, p. 31 — Gray, Cat. 



Brit. Mus., p. 18. — Baird and Girard, Cat. N. Amer. Rept., Pt. 1, Serp., 1853, 



p. 16. 

 Crotalophorus iiiassasauga Baird, Serp. N. Y., p. 11. 

 Crotalophorus Agassiz, Lake Superior, p. 176. 

 Caudisona tergeminus Wagler, Nat. Syst. Amph., p. 176. 

 Figures, Holbrook, N. Am. Herp., Ill, 1842, figs. 5, 6 — Agassiz, Lake Superior, 



VI, fig. 8— Baird, Serp. New York, pi. i, fig. 2; U. S. Pac. R. R. Expl. Rep., 



X, Rept., pi. XXV, figs. 9, 11; loreal plate incorrect. 



Fig. 329. 



SiSTBURCS CATENATUS CATENATUS RAFINESQDE. 

 = 1. 



The characters of the squamation of this subspecies have been 

 already described under the head of the species. It is distinguished 

 by the erect narrow rostral plate, which is truncate above, by the well- 

 defined cauthus rostralis, and especially by the trapezoidal loreal, 



