326 NORTH AMERICAN BIRDS. 
middle coverts and broad white edgings to greater coverts and tertials; tail 
black, the feathers broadly tipped with white (decreasing in width toward 
middle pair); sides of head and entire lower parts plain light ash-gray, nearly 
white on throat, middle of belly, and under tail-coverts. Adult female: Top 
of head glossy black, mixed with rusty, especially on forehead; wings dusky, 
the middle and greater coverts broadly tipped, and other wing-feathers edged, 
with tawny ochraceous; rest of upper parts plain bright tawny, or tawny 
ochraceous, the tail-feathers with a broad subterminal patch of black; sides 
of head and entire lower parts uniform buffy ochraceous. Young male: Simi- 
lar to adult female, but paler and more yellowish beneath. Length about 
6.25-7.00, wing 3.10-3.25; tail 2.60-2.70, exposed culmen .50-.60, tarsus .70-.80. 
Hab. Eastern Mexico (north to Rio Grande Valley) and south to Guatemala. 
P. major (CaB.). Thick-billed Becard.! 
a, Wings and tail unicolored (plain rusty or tawny rufous); sexes alike in color 
(the adult male being distinguished by rudimentary second primary). 
Above uniform deep tawny rufous, darker on top of head; lower parts 
entirely plain tawny ochraceous, paler on chin and middle of belly; length 
about 5.25-5.50, wing 3.00-3.10, tail 2.45-2.60, exposed culmen .45-.50, tar- 
sus .75-.80. Hab. Central America (Guatemala to Colombia). 
P. cinnamomeus Lawr. Rufous Becard.? 
Famity TYRANNIDAE.—Tue Tyrant FyicatcHers. (Page 321.) 
Genera. 
a‘, Tail much longer than wing, very deeply forked......... Milvulus. (Page 327.) 
a. Tail not longer than wing, not deeply forked. 
b'. Bill from nostril more than half as long as tarsus, the culmen straight for 
most of its length. 
ce. Adults with a bright-colored (yellow, orange, or red) concealed patch 
on crown; tarsus not longer than middle toe, with claw. 
ad. Plumage not striped. 
e', Bill broad at base, its width at nostrils much more than half 
the distance from nostril to tip; adults with outer quills 
abruptly narrowed at tip........... Tyrannus. (Page 328.) 
é. Bill narrow at base, its width at nostrils not more than half 
the distance from nostril to tip; adults with outer quills 
not narrowed at tip.......s.cesseeeees Pitangus. (Page 330.) 
d, Plumage conspicuously striped. (Wing about 4.50.) 
Myiodynastes. (Page 331.) 
ce, Adults without bright-colored patch on crown; tarsus longer than 
1 Bathmidurus major Caz., Weigm. Archiv, 1847, i. 243, Pachyrhamphus major Scu., P. Z. 8. 1857, 78. 
2 Pachyrhamphus cinnamomeus Lawr., Ann. Lyc. N. Y. vii. 1861, 295. 
