404 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



g. White markings of maximum extent, the spot wi outermost tail- 

 feather averaging more than 33.02 in length; rufescent color of 

 sides and flanks paler. 

 h. Hind claw smaller (averaging 10.92 in length) ; bill smaller (exposed 

 culmen averaging 12.95); sides and flanks more deeply colored 

 (cinnamon-rufous). (Great Plains.) 



Pipilo macnlatus arcticus, male (p. 412} 

 hh. Hind claw larger (averaging 13.21); bill larger (exposed culmen 

 averaging 14.99) ; sides and flanks paler (buff-tawny) . (South- 

 ern Lower California. ) 



Pipilo maoulatns inagnirostris, male (p. 414) 

 gg. White markings more restricted, the spot on outermost tail-feather 

 averaging 28.96 in length; rufescent color of sides and flanks 

 deeper. (General coloration above blacker than in preceding 

 forms, but rump never deep black.) (Rocky Mountain plateau, 

 including parts of California.) 



Pipilo maoulatns megalonyx, male (p. 415) 

 ff. White markings smaller, the spot 'on outermost tail-feather averaging 

 less than 25.40 in length. 

 g. Larger (wing averaging more than 83.82,"tail more than 91.44). 

 h. Dull or grayish black above, the rump conspicuously grayish; 

 white on outermost tail-feather averaging 24.38 in length. (Santa 

 Barbara islands, California. ) 



Pipilo macnlatns clementse, male (p. 418) 

 hh. Deep or intense black above, including the rump ; white on outer- 

 most tail-feather averaging less than 24.38 in length, 

 i. White markings larger, the white spot on outermost tail-feather 

 averaging 23.88 in length; white markings on scapulars and 

 wing-coverts well developed; hind claw larger (averaging 13.21 

 in length). (Southern coast district of California, south into 



Lower Calif ornia. ) Pipilo macnlatus atratns, male (p. 419) 



M. White markings smaller, the white spot on outermost tail- 

 feather averaging 20.32 in length; white markings on scapu- 

 lars and wing-coverts much restricted, sometimes almost obso- 

 lete; hind claw smaller (averaging 10.92 in length). (Coast 

 district of northern California, north to southern Alaska. ) 



Pipilo maculatus oregonus, male (p. 420) 

 gg. Smaller (wing averaging 78.74, tail 83.57). (Guadalupe Island, 



Lower California.) Pipilo consobrinus, male (p. 422) 



dd. Scapulars and wing-coverts wholly black.' 

 e. Larger (wing averaging 89.15, tail 94.23); white on remiges and rectrices 

 more extended (spot on outermost tail-feather averaging 39.62 in length) ; 

 iris carmine red. - (Eastern North America, south to Florida in win- 

 ter.) Pipilo erythrophthalmns erythrophthalmus, male (p. 423) 



ee. Smaller (wing averaging 79.25, tail 88.90) ; white on remiges and rectrices 

 more restricted (spot on outermost tail-feather averaging 17.53) ; iris 

 pale yellowish. (Florida.) 



Pipilo erythrophthalmus alleni, male (p. 426) 

 cc. Head, neck, and chest more or less brown (sometimes approaching brownish 

 black on throat and chest, but never really black). 

 d. No white markings on wing-coverts nor scapulars. 



' Very rarely there are slight indications of the white markings of the preceding 

 forms. 



