106 BULLETIN 18 7, UNITED STATES NATIONAL MUSEUM 



Spots uniformly brown or black throughout series, ovoid or triangular 

 in shape; each spot rarely more and usually less than four scales 



in length 7 



7. Dorsal spots less than 90, or sum of caudals and ventrals less than 300 ; 

 anterior dorsal spots not or only slightly fusing with alternating 

 lateral spots and never fusing with one another ; light scales of inter- 

 spaces and sides anteriorly each with a small ventral black 



spot catenifer deserticola 



Dorsal spots more than 90, or sum of ventrals and caudals more than 

 300; anterior dorsal spots generally fusing with the smaller alter- 

 nating lateral spots, and often fusing with each other ; dots in center 

 of scales in interspaces and on sides lacking catenifer annectens 



PITUOPHIS CATENIFER AFFINIS Hallowell 



PityopMs afiinis Hau^owell, Proc. Acad. Nat. Sci. Philadelphia, vol. 6, 1852, 



p. 181. 

 Pituophis sayi afflnis Stull, U. S. Nat. Mus. Bull. 175, 1940, pp. 123-139, 

 Pituophis catenifer afflnis Klauber, Copeia, 1941, No. 1, pp. 59-60. 

 Pituophis catenifer rutilis Van Denbtjkgh, Pr®c. California Acad. Sci., ser. 4, 



vol. 10, 1920, pp. 24-27, pi. 2, fig. 2 (type locality, Tucson, Ariz.; type, Calif. 



Acad. Sci. No. 33869) ; Occ. Pap. California Acad. Sci., vol. 10, 1922, pp. 



733-737, pi. 78. 



Type. — Not known. 



Type locality. — Near Zuni River, N. Mex. 



Range. — Western and southern Chihuahua and eastern Sonora 

 northward to southern Colorado, and west through central Arizona 

 and southeast through southern Coahuila (recorded in Mexico from 

 various localities in the state of Chihuahua, from 40 miles south of 

 Sonoyta, Rush Lake, and Noria, Sonora, and several localities in 

 Coahuila). 



PITUOPHIS CATENIFER ANNECTENS Baird and Girard 



Pituophis annectens Baibd and Gikaed, Catalogue of North American reptiles, 



1853, p. 72. 

 Pituophis catenifer annectens Van Denbubgh and Slevin, Proc. California Acad. 



Sci., ser. 4, vol. 9, 1919, p. 216. — Van Denbtjkgh, Occ. Pap. California Acad. 



Sci., vol. 10, 1922, pp. 719-724, pi. 76.— Sttjll, U. S. Nat. Mus. BuU. 175, 1940, 



pp. 185-203. 



Type.—U.S.1^.M. No. 1839, three cotypes. 

 Type locality. — San Diego, Calif. 



Range. — Northwestern Baja California northward through southern 

 California on the Pacific coast. 



PITUOPHIS CATENIFER DESERTICOLA Stejneger 



Pituophis catenifer deserticola, Stejneger, North Amer. Fauna, No. 7, 1893, 



pp. 206-208. 

 Pituophis catenifer stejnegeri Van Denbuegh, Proc. California Acad. Sci., ser. 4, 



vol. 10, 1920, pp. 21-24, pi. 21, fig. 1 (type locality. Fort Douglas, Salt Lake 



County, Utah; type, Calif. Acad. Sci. No. 14203) ; Occ. Pap. California Acad. 



Sci., vol. 10, 1922, pp. 729-737, pi. 77.— Stull, U. S. Nat. Mus. Bull. 175, 1940, 



pp. 166-184. 



