CITELLUS. 1(>9 



3140. Skin. Male. Fort Laramie, Wyoming*, formerly Nebraska 



TiTiitoiy. Collected September 2:2, 18.57, by Dr. .). (t. v^ooper. 



Original number &2. Skin lost. 

 IH^' Skin and skull. P'ort Laramie, Wyoming, formerly Nebraska 



Territory. September 30, 1857. Collected ^)x Dr. J. G. Cooper. 



Original lumiber (u. Skin lost. Most of skull present but badl\' 



broken. 

 sWs's- Skin. Female. Fifty miles west of Fort Kearney, Nebraska. 



August ;», 1S57. Collected b}- Dr. J. G. Cooper. Original num- 

 ber -14. Fair skin, remade February, 190i^. Skull in fair condition; 



l)roken alK)ut the brain case posteriorly. 

 32:23. Skin. Female. One hundred and twent}' miles west of Fort 



Kearney, Nebraska. August 16, 1857. Collected by Dr. J. G. 



Cooper. Original number 45. Skin lost, 

 fill. Skin and skull. Female. One hundred and thirty miles west 



of Fort Kearney, Nebraska. August 17, 1857. Collected by Dr. 



^T. G. Cooper. Original number 47. Poor skin; most of sknll 



present, but it is broken in two across the brain case. 

 3225. Skin. Male. Same data as 3224. Original nunil)er 48. 



Wretched skin, without feet; part of skull inside. 

 If ||. Skin and skull. Black Hills, South Dakota, formerly Nebraska 



Territory. Collected by Dr. F. V. Hayden. Neither skin nor 



skull can be found. 



Skins catalogued 1857-1858; skulls in 1863, except No. 37998, 



catalogued in February, 1902. 



Spermophilus oregonus Merriam. Biological Survey collection, 



I'roc. Biol. Soc. Wash., XII, p. 69, March 24, 1898. 

 =Citellus oregonus (Merriam). See Elliot, Check Li.st Mainmals North Aiiier. 

 Cont, etc., Field Columbian Mus., Zool. Ser., VI, p. li:^, 1905. 



89177. Skin and skull. Adult female. Swan Lake Valley, Klamath 

 Basin, Oregon. June 12, 1897. Collected by V. Bailey. Origi- 

 nal number 6005. 



Well-made skin in good condition; skull perfect, exoei)t for several small shot 

 perforations. 



Spermophilus osgoodi Merriam. 



I'roc. Wash. Acad. Sci., II, \>. IS, Marcli 14, 1900. 



= Citellus osgoodi (Merriam). See Elliot, Check Eist Mammals North Amer. 

 Cont., etc.. Field Columbian Museum, Zool. Ser., YI, p. 110, 1905. 



it^sl- Skin and skidl. Adult male. Fort Yidvon, Alaska. April 

 2lt, 1877. Collected by Lucien M. Turner. Original number 

 1635. Skin catalogued November 15, 1877; skull, December 4, 1899. 



AVell-made skin in good condition. Most of the brain-ca.se of the skull has 

 been broken away ; left zygomatic arch complete, right broken away; l)oth 

 upper incisors broken off to the roots; left half of mandible perfect, the parts 

 posterior to the molars of the right half of mandible broken off. 



