INSESSORESI COLOPTERID.E. 163 



or a low tree, it watches for insects, which it darts upon 

 with unerring aim. It is very courageous, never hesitat- 

 ing to attack hawks, crows, and other large birds which 

 it dislikes. 



The Gray Kingbird, T. dominicensis, Rich., of the West 

 Indies and accidental in the Southern States, is eight 

 inches long, the wing less than four and three fourths 

 inches. 



The Arkansas Flycatcher, T. verticalis, Say, of Western 

 North America, is eight and a quarter inches long, the 

 wing four and a half inches, the general color ashy above, 

 yellow beneath, tail nearly black, wings brown, pectoral 

 band pale ashy, and the crest vermilion in the centre, 

 and yellowish before and behind. 



Cassin's Flycatcher, T. vocifcrans, Sw., of Mexico and 

 Texas, is nearly nine inches long, and the wing five and 

 a quarter inches. 



Couch's Flycatcher, T. Couchii, Baird, of Mexico, is 

 nine inches long, and the wing five inches. 



The Genus Myiarchns has the bill wide at base ; tarsus 

 equal to, or not longer than, the middle toe ; tail broad, 

 long, even, or slightly rounded, and about equal to the 

 wings, which scarcely reach to the middle of the tail ; 

 the head with elongated distinct feathers The general 

 color above brownish olive, the throat ash, and the belly 

 yellow. 



The Great-crested Flycatcher, M. crimtus, Cab., of 

 North America east of the Missouri, is eight and three 

 fourths inches long, the wing four and a quarter inches, 

 the general color dull greenish-olive above, sides of the 

 head as high as the upper eyelid, and sides of the neck, 

 throat, and fore part of the breast, bluish ashy ; the other 

 under parts bright sulphur-yellow ; head with a depressed 

 crest. This species delights in forests. Its flight is 

 rapid and powerful. Seeing an insect, it sweeps down- 



