BOBOLINK 



swollen above and extending into a frontal 

 shield. Bill and feet black. Iris yellow. 



FIG. 105. Cassidix oryzivora mexicana 



Female. Similar to male but smaller and 

 duller. 



These are large, black, semi-terrestrial Icter- 

 idae with the maxilla swollen and rounded, ex- 

 tending into a flat frontal shield. Somewhat 

 terrestrial in habits. Not common. Jewel re- 

 ports a female from Gatun. "Shot from a tree 

 top; was alone." 



8. Dolichonyx oryzivorus (Linnaeus) 

 Bobolink 



Length 160 mm. (6.30 in.); tail 63 mm. (2.45 

 in.). 



Male. Breeding plumage. Top and sides 



of head and under parts black; hindneck buff; 



scapulars, rump and upper tail coverts white 



tinged with gray, upper back black streaked with 



430 



