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 taM'ny 

 ochraceous, the tail-feathers with a broad subterminal patch of black ; sides 

 of head and entire lower j^arts uniform buffy ochi-aceous. 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 Eio Grande Yalley) 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 Lawk. Rufous Becard.'' 



Family TYRANNIDiE.— The Tyrant Fylcatchers. (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, 

 c^ Adults with a bright-colored (yellow, orange, or red) concealed patch 

 on crown ; tarsus not longer than middle toe, with claw, 

 c?. 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.) 



e^ 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 Pitangus. (Page 330.) 



cp. Plumage cons2)icuou8ly striped. (Wing about 4.50.) 



Myiodynastes. (Page 331.) 

 c^ Adults without bright-colored patch on crown ; tarsus longer than 



1 Bathmidurm major Cab., Weigm. Archiv, 1847, i. 24.3. Pachyrliamphus major ScL., P. Z. S. 1857, 78. , 



2 Pachyrhamphua cinnamomeus Lawr., Ann. Lye. N. Y. vii. 1861, 295. 



