412 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



vol. 48. 



Three females dissected on May 31 at the Pyramid Lake Indian 

 Agency contained 4, 5 ; and 6 large eggs each. 



UTA STANSBURIANA Baird and Girard. 



Locality. — There are 19 individuals of this species from the Pyra- 

 mid Lake Indian Agency and 4 from Derby, Nevada. Other localities 

 in the basin where it has been observed before are: Virginia City, 

 Storey County; Pine Forest Mountains and Virgin Valley, Humboldt 

 County; Quinn River Crossing and Amos, Humboldt County; and 

 Cortez and River Ranges, near Carlin, Nevada. 



Status and variation. — A study of the specimens of this lizard 

 from the Lahontan Basin has led me into a rather detailed investi- 

 gation of Uta stansburiana, resulting in the discovery of one new 

 subspecies and the resurrection of an old name for another. This 

 species has a wide distribution, and it is not surprising that a number 

 of distinct geographical races exist. 



Uta stansburiana was described by Baird and Girard (1852, p. 

 69) from specimens collected in the Valley of the Great Salt Lake, 

 Utah. The original description, very brief and general, has been of 

 little value in the present work, and as specimens from the type 

 locality have not been available for comparison it has been neces- 

 sary for me to use specimens from adjacent territory. Material 

 from the following places has been examined: 



Num- 

 ber of 

 speci- 

 mens. 



Locality. 



Source. 



1 



Fillmore, Utah 



United States National Mu- 



6 



Snake R iver, Lincoln County, Idaho 



seum. 



Stanford University collec- 

 tion. 



University of California, 

 Museum of Vertebrate Zo- 

 ology. 

 Do. 



Do. 



Do. 



2 





10 



2 



12 



Pine Forest Mountains, near Big Creek Ranch, Humboldt County, 



Nevada. 

 Pine Forest Mountains, mouth of Alder Creek, Humboldt County, 



Nevada. 

 Virgin Valley , Humboldt County, Nevada 



4 



Derby, Washoe County, Nevada 



Stanford University collec- 

 tion. 

 Do. 



19 



Pyramid Lake Indian Agency, Washoe County, Nevada 



3 



Vicinity Abert Lake, Lake County, Oregon 



Do. 



1 





Do. 



1 



Round Valley, Invo County, California 



Do. 



2 



Near Lone Pine, Inyo County, California 



Do. 









Uta stansburiana Baird and Girard is characterized by small, 

 rounded, and weekly carinated dorsal scales. The number of scales 

 in a line from the interparietal plate to a point on the rump above 

 the posterior surfaces of the thighs varies between 89 and 116. The 

 average for 55 specimens is 103.4. The table on page 418 shows the 



