198 



Oberholser, Synopsis of the Genus Psaltriparus. 



TAuk 

 LApr 



Chars, sttbsp. — Similar to Catherpes inexica 1/ us poh'optil us., hui decid- 

 edly darker above, and of smaller size. 



Type locality. — Forest Hill, Placer County, California. 



Geographical distribution. — California (excepting the southeastern 

 part), Oregon, and southern Washington (Almota). 



Catherpes mexicanus conspersus Ridgway. 



Catherpes tnexicatms var. conspersus Ridgway, Amer. Nat. VII, Oct. 

 1873, p. 602. 



Chars, subsp. — Resembling Catherpes mexicanus polioptiliis, but 

 smaller (except the bill); paler and more rufescent above, particularly 

 on the head. 



Type locality. — Fort Churchill (southeast of Wadsworth), Nevada. 



Geographical distribution. — Wyoming and Colorado, west to Nevada 

 and southeastern California. 



Average millimeter measurements of males of the five forms of Cath- 

 erpes are as follows : 



A SYNOPSIS OF THE GENUS PSALTRIPARUS. 



BY HARRY C. OBERHOLSER. 



The genus Psaltriparus, though by Dr. Gadow not considered 

 separable from Acredula, ^ is, nevertheless, an easily recognizable 

 group. As commonly accepted it comprises the few small species 

 of Paridae treated below. 



iCat. Birds Brit. Mus., VIII, 1883, p. 54. 



