208 



NORTH AMERICAN FAUNA. 



[No. 



(4,400 feet). Another was obtained on the east slope of the BeaverdaiB 

 mountains, in southwestern Utah, May 11. 



In California, specimens were obtained at Lone Tine and Ilaway 

 Meadows in Owens Valley, and in the I'anamint and Argus moun- 

 tains.— C. H. M.] 



List of specimens of Pituophis oatenifer desertieola. 



"U.S. 

 Nat. 

 Mus. 

 No. 



Sex 

 and 

 age- 



Locality. 



Alti- 

 tude. 



Feet. 



Date. 



Collector. 



Remarks. 



180C5 

 180CG 





Panamint Mountains, Jackass Spring, 

 Calif. 



May 7 



April 23 

 April 26 

 May 12 

 June 4 

 May 11 



Nelson..., 



Fisher 



....do 



Stephens . 



Fisher 



Mcrriam . . 





18067 



1806S 

 18069 



Argus Range, Shepherd Canon, Calif 

 Ten miles south of Owens Lake, Calif 



3,750 



Haway Meadows. 



18070 

















Bascanion flagellnm frenatum, subsp. nov. 



Diagnosis.— Adults with permanent brownish or blackish bars across 

 the nape j young with a distinct whitish line from 'nostrils through eye 

 and across temporals, this stripe often persistent in adults j chin and 

 throat speckled with blackish. 



Habitat. — Southern Arizona, Utah, Nevada, California, and Lower 

 California. 



Type. — U. S. National Museum, No. 16340. Mountain Spring, Colo- 

 rado Desert, San Diego County, Calif; C. E. Orcutt coll. 



There is no good reason why. the various geographical forms of Bas- 

 canion flagellum should not be recognized by name, inasmuch as they 

 are well marked, fairly constant, and characteristic of circumscribed 

 geographical areas. 



It is somewhat doubtful whether the form from the Cape St. Lucas 

 region should not be recognized by a separate name also, but the mate- 

 rial at hand is too scant to warrant any separation for the present. 



Say's Coluber testaceus, the adults of which are uniform above, is 

 apparently confined to the country east of the Eocky Mountains, and 

 the name inapplicable to the form so strongly marked, as indicated in 

 the diagnosis above. In the search for a possible name among the vari- 

 ous synonyms I was led to examine the type of Baird and Girard's Masti- 

 cophis mormon (U. S. NaK Mus., No. 2012), from the Great Salt Lake, 

 in the hope that it might be available for the present form, since it is 

 sometimes found quoted in the synonymies of ' Bascanium testaeeum^ 

 but it proved to be a youug B. Jlaviventre, and a new name had conse- 

 quently to be adopted. 



This species was not collected by the expedition in the interior 

 valley of California, but specimens in the U. S. National Museum from 

 various localities show that it occurs there. 



