( UTKLLrs AMMOSPERMOPHTTATS. 171 



Spermophilus mollis Stephens! Mcniuni. Bioloj^ical Survey coll. 

 I'lor. Biol. Soc. Wa^^h., XII, pp. 69-70, Marcii 24, 1898. 

 r=Citellus mollis Stephens! (Merriam). .See P^lliot, Check List Mainiuals North 

 Ainer. (."out., etc., Field Columbian Mus., Zool. Ser., YI, p. 1 1'J, 1905. 



!t66T- ^^^<i" 'I'l^^ skull. Adult male. Queen Station, near li(>ad of 

 Owens Valley, Esmeralda County, Nevada. July 12, ISIU. Col- 

 lected ))y F. Stephens. Original number 718. 



Well-made skin in good eondition; f^kuU i)erfect, except for absence of first left 

 npper premolar and slightly injured left iitervgoid and angular process of 

 mandible. 



Spermophilus tereticaudus Baird. Cotypes. 



Mannnals of North America, p. 3iri, pi. 67, lig. 2, head and feet, i)robably No. 

 2490; pi. 81, fig. 4, skull No. 2419, 1857. 

 =Citellus tereticaudus (Baird). See Elliot, Field Columbian Museum, Zool. Ser., 

 Ill, p. 211, 1904. 



No type is designated by Baird. The description is apparently 

 equally leased upon these three specimens, which are specified by 

 number: 



rlM- Skin and skull. A not fully adult male. Skin in bad condi- 

 tion; most of hair on the posterior half of body, except the legs 

 iind tail, is lacking; .skull pefect, except the two small upper pre- 

 molars lacking. 



1585. Skin of the head and neck. The body is said to be in alcohol, 

 but can not be found. 



2490. A young female in alcoliol. All the hair l)ehind the shoulders, 

 except that on the feet and tail, has sloughed otf. 



All the specimens were collected at Fort Yuma, Arizona, by 

 .Maj. (}. II. Thomas, U. S. A. Skins catalogued June 21, 185(1, the 

 alcoholic. April S», 18.57. 



Spermophilus mollis yakimensis Merriam. Hiologicil Survey coll. 

 Proc. Biol. Soc. Wash., XII, )). 70, March 24, 1898. 

 =Citellus mollis yakimensis (.Merriam). See Elliot, Check List Mannnals North 

 Amer. Cont., etc., Field Columbian i\Ius., Zool. Ser., VI, p. 112, 1905. 



S'.>3;>1. Skin and skull. Adult male. Mabton, Yakima County, 

 Washington. July IC, 1H!»7. Collected ])y Dr. W. K. Fisher. 

 Original inunbci' 152;^. 



Well-made skin in good condition; skull perfect. 



Genus AM MOSPE R MOPH ILUS. 



Tamias leucurus cinnamomeus M(;rriani. Biological Survey coll. 



North Amer. Fauna, No. ',i, i)p. 51-5)^, September 4, 1890. 

 ^^Ammospermophilus leucurus cinnamomeus (Merriam). See Mearns, lUiU. \J.i^. 



Nat. Mus., No. 56, Pt. 1, p. 299, April 13, 1907. 



