236 3. IGUANID.^ 



difficult to determine. I have not been able to find any 

 material difference in the number of femoral pores in the 

 three races. 



Distnbutio)!. — Uta stansburiana hesferis is stated to oc- 

 cupy the western parts of southern California and northern 

 Lower California, certain islands off the coast, and the San 

 Joaquin Valley with parts of San Luis Obispo county. It 

 is said to blend completely with U. s. elegans along the 

 Coast Range in Riverside and San Diego counties and in the 

 northwestern part of Lower California (Richardson), and 

 to intergrade with that subspecies also in San Bernardino, 

 Los Angeles, and Kern counties (Camp). Within this area 

 Utas have been collected in San Diego (Pine Mountain 

 near Escondido, Warner's Pass, Cuyamaca Lake, Julian 

 Mountains, Campo, San Diego, Poway, Witch Creek, Oak 

 Grove, Descanso, Sorrento, Cuyamaca, Jacumba Hot 

 Springs), Riverside (San Jacinto Mountains at Snow Creek, 

 Shain's Ranch, Palm Canyon, Strawberry Valley, Andreas 

 Canyon, Tahquitz Canyon, Keen Camp, Kenworthy, and 

 Fuller's Mill, Hall Grade near Cabazon, Dos Palmos 

 Spring in the Santa Rosa Mountains, Riverside, Banning, 

 Hemet Lake, San Jacinto, Hemet Valley, Coahuila Valley, 

 six miles southwest from Beaumont, Temescal Mountains), 

 Orange (Laguna Beach), San Bernardino (Swartont Can- 

 yon, Cajon Wash, Reche Canyon near Colton, San Bernar- 

 nino Mountains at Fish Creek, Mill Creek, Santa Ana Can- 

 yon, Seven Oaks, Waterman Canyon, Lytle Creek, War- 

 rens, and Bluff Lake, Ontario, Colton), Los Angeles (Ar- 

 royo Seco Canyon, Pasadena, San Fernando, Tejunga Val- 

 ley, Sierra Madre, Altadena, West Fork San Gabriel River, 

 Mt. Lowe, Roscoe, Claremont, Lankershim, Mt. Wilson, 

 Alhambra, Placerita Canyon, Boquet Canyon, San Gabriel 

 Canyon, San Pedro, Pallett, Gorman Station in Antelope 



