78 CALIFORNIA ACADEMY OF SCIENCES. 



Adult S . (Type, No. 2534, coll. of A. ^Y. A,, from San 

 Pedro Mountain, Lower California, April 28, 1889). Whole 

 top of head, ashy gray. Lores and line running through 

 the eye and including uppor auriculars, black. A large 

 and conspicuous nuchal patch of white. Dorsal region, 

 ashy-gray. Scapulars and rump, slatey-blue. Chin and 

 throat, pure white ; rest of lower parts, soiled white. 

 Flanks, ashy. "Wings, blackish. Second primaries slightly 

 edged with white. Central tail feather like back, wdth long 

 W'hite spot at base, the others black, first pair with broad 

 oblique white bar. 



Habitat. — Higher parts of San Pedro Mountain, Lower 

 California. A large series collected in April and Mayshow^ 

 a very constant variation from the specific form. They 

 were very abundant throughout the pines and were evidently 

 nesting; no nests, however, w^ere taken. 



DIMENSIONS OF SITTA PrGM.EA LEUGONUCHA. 

 Collection of A. "W. Antkony. 



Sex 



and Locality 



Age. 



2533 cf ^^ 



2534 i' ad 



San Pedio :,It. 



April 28, 1889 

 April 28, 1889.. 

 April 29, 1889. 

 April i5, 1889 

 April 25, 1£89. 

 April 28, 1889 

 April 25, 1889. 

 April V5, 1889. 

 April 25, 1889 



Type. 



