OPHIDIA— CROTALIDAE— CAUDISONA EDWARDSIf. 



531 



No. 



Locality. 



Date. 



Collector. 



59 



213 



D 



iSS 



401 



P 



13 



2 



240 



PPP4 





July, 1S72 



Aug., 1872 

 do 



Dr. H. C. Yarrow and H. W. 



Henshaw. 

 Dr. H. C. Yarrow. 



Do. 

 H. W. Henshaw. 

 Dr. II. C. Yarrow. 

 Fraccis Klctt. 

 Dr. C. G. Newberry. 



Do. 



Do. 

 H. W. Henshaw. 



Do. 









do 



Deseret City, Utah 



Oct., 1S72 

 Nov., 1S72 

 July 6, .S73 

 July, 1873 

 Aug., 1S73 

 do 















, 1S73 





CROTALUS MOLOSSUS, Baird & Girard. 



Crotalus molossus, Baied & Girard, Cat. K A. Rept., pt. i, Serp., 1853,10.— Bd., TJ. 



S. & Mex. Bound. Surv., ii, Kept., 1859, 14, pi. 11.— Cope, Check-List N. A. 



Batrach. & Kept., 1875, 33. 

 Crotalus ornatus, Hallow., Proc. Acad.. Nat. Sci. Phila,, vii, 1854, 19.2.— Id., P. B. R. 



Rep., x, 1859, 23. 

 Caudisona molossus, Mitchell's Res., 1801, 124.— Cope, Proc. Acad. Nat. Sci. Phila., 



18G6, 307-308. 



Hab. — Sonoran Region, entering Texas District. 



Apparently as rare as the preceding species. Attains a large size. 



No. 



Locality. 



Date. 



Collector. 



PPP 1 





-, 1S73 



H. W. Henshaw. 





Genus CAUDISONA, Laurenti. 



CAUDISONA EDWARDSII, Baird & Girard. 



Crotalophorus edwardsii, Baird & Gieard, Cat. N. A. Kept., pt. i, Serp., 1853, 15.— 



Bd., U. S. & Mex. Bound. Surv., ii, Reptiles, 1859, 15. 

 Caudisona edwardsii, Cope, Check-List N. A. Batrach. & Rept., 1875, 34. 



Hab. — Sonoran District. 



This beautiful species has been met with but in one instance by the 

 collectors of the expedition. 



