BIRDS OF NOBTH AND MIDDLE AMERICA. 323 



_;'. Bill longer and more slender (culmeu, from base, averaging 24.4, 

 depth of bill at base 11.7). (Northv/est coast district, in 

 Washington and British Columbia; occasionally south to Cali- 

 fornia in winter.) 



Agfelaius phoeniceus caurinns, adult male (p. 341) 



jj. Bill shorter and stouter (culmen, from base, averaging 23.1, 



depth of bill at base 12.2). (West slope of Rocky Mountains 



to California, northern Lower California, and Western 



^ Texas) Agelaius phoeniceus neutralis, adult male (p. 339) 



ff. Smaller, the wing averaging not more than 114.3. 

 g. Wing averaging more than 111.8. 

 h. Wing averaging less than 113, culmen averagingnotmorethan24.1. 

 i. Wing averaging 112.5, tail 87.9, culmen 24.6, depth of bill at base 

 11.4, tarsus 28.5, middle toe 20.3. (Florid^and along Gulf coast 

 to Galveston, Texas. ) 



Agelains phoeniceus floridanus, adult male (p. 333) 

 a. Wing averaging 112, tail 82.8, culmen 23.1, depth of bill at 

 base 11.4, tarsus 27.9, middle toe 20.1. (Southern Texas, low- 

 lands of eastern Mexico, Yucatan, and south to Nicaragua. ) 



Agelains phoeniceus richmondi, adult male (p. 335) 

 hh. Wing averaging 114.3, culmen averaging 25.9. (Bahama islands, 

 Florida Keys, and southeast coast of Florida. ) 



Agelaius phoeniceus bryauti, adult male (p. 334) 

 gg. Wing averaging 108.2. (Cuba, including Isle of Pines.) 



Agelaius assimilis, adult male (p. 342) 

 cc. Lesser wing-coverts neither red nor orange. 

 d. Lesser wing-coverts cinnamon-rufous or tawny. (Cuba.) 



Agelaius humeralis, adult male and female (p. 343) 

 dd. Lesser wing-coverts lemon-yellow. (Porto Rico.) 



Agelaiua xanthomus, adult male and female (p. 344) 

 66. Leaser wing-coverts black, like rest of plumage. 



Agelains assimilis, adult female (p. 342) 

 aa. General color not black, but more or less streaked, at least on throat. 

 6. Under parts of body unicolored, or with distinct streaks only on anterior halt, 

 c. Color more grayish, the plumage with a soft, silky gloss. 



Agelaius tricolor, adult female (pp. 324, 325) 

 cc. Color more sooty, the plumage without distinct, if any, gloss. 

 d. Larger (wing averaging more than 107.9). 

 «. Less streaked below, the whole under surface of body usually uniform 

 dusky or sooty; wing averaging 108.4, tail 71.6, culmen 18.3, depth of 

 bill at base 10.4, tarsus 27.9, middle toe 19.3. 



Agelains gubernator gubernator, adult female (p. 327) 

 ee. More streaked beneath, the breast always (?) distinctly streaked; wing 

 averaging 110.5, tail 77.2, culmen 19.6, depth of bill at base 11.7, tar- 

 sus 28.2, naiddle toe 20.3. 



Agelains gubernator grandis, adult female (p. 329) 

 dd. Smaller (wing averaging 103.9) . 



Agelains gubernator californieus, adult female (p. 328) 

 66. Under parts of body conspicuously streaked throughout, 

 c. Darker, the under parts with dusky and whitish streaks about equally broad 

 or the former broader, the upper parts with darker colors predominating. 

 d. Larger, the wing averaging more than 95.2, tail averagmg 72.4 or more. 



