28 Nelson New Birds from 



rufous ; under surface of body much like mcxali'iieus but the flanks a little 

 darker ashy. 



Measurement* of type. Wing 9S', tail 105; culmen 13.5; tarsus 26. 



General notes. The strongest character of P. /. intti-nn dixx is the absence 

 of rusty rufous on the crown and the grayer back as contrasted with the 

 rusty crown and brownish gray back of both mesoleucus and alblgidu. 



Cardinalis cardinalis affinis subsp. nov. Sonora Cardinal. 



Type No. 164258, ? ad., U. S. Nat. Mus., Biological Survey Collection, 

 from Alamos, Sonora, Mexico. Collected January 28, 1899, by E. A. 

 Goldman. 



Distribution. Coast region of southern Sonora and northern Sinaloa, 

 Mexico. 



Subspecific characters. Size of Cardinalis c. iqneus from which the females 

 may be distinguished by narrower bill, grayer upper parts, and duller or 

 less huffy under parts ; dark chin patch absent as in igneus. The males 

 scarcely distinguishable from those of igneus except by their slenderer 

 bills. 



Dimensions of type. Wing 92; tail 104; culmen 17; width of bill at 

 base 12 ; tarsus 25. 



General notes. Cardinalis c. affinis is much more like C. c. igneus of the 

 Cape St. Lucas region than like C. c. superbus of southern Arizona and 

 northern Sonora. C. c. superbus is a much larger bird and the female is 

 browner above, more huffy ochraceous below, and has a distinct dark 

 chin patch. An adult female from Tucson, Arizona, measures : Wing 

 104; tail 123; culmen 19; width of bill at base 13.5; tarsus 27. 



Cardinalis cardinalis sinaloensis subsp. nov. Sinaloa Cardinal. 



Type No. 164375, $ ad., U. S. Nat. Mus., Biological Survey Collection, 

 from Culiacan, Sinaloa, Mexico. Collected March 18, 1899, by E. A. 

 Goldman. 



Distribution. Coast plains and foothills of central and southern Sinaloa, 

 and probably south to Colima, Mexico. 



Subspecific characters. Size nearly the same as that of Cardinally c. 

 igneus, but bill longer and slenderer ; color of male lighter and more vivid 

 red ; color of female above, darker and grayer but with more red on wings 

 and tail ; below darker and more brownish fulvous with an indistinct dark 

 grayish chin patch. Compared with C. c. superbus, size much smaller ; 

 male brighter, more carmine red ; female above, darker gray, below 

 darker, more brownish fulvous. The female differs from that of C. c. 

 affinis in its smaller size and much darker and more brownish fulvous 

 color of under parts. 



Dimensions of type. Wing 87; tail 96; culmen 18; tarsus 26. 



Arremonops superciliosa sinaloae subsp. nov. Mazatlan Sparrow. 



Type No. 164388, c? ad., U. S. Nat. Mus., Biological Survey Collection, 

 from vicinity of Mazatlan, Sinaloa, Mexico. Collected April 6, 1899, by 

 E. A. Goldman. 



