( 428 ) 

 AMERICAN REDSTART. 



MUSCICAPA RUTICILLA, LlNN. 

 PLATE XL. Vol. L p. 202. 



This bird differs in no essential respect from the Flycatchers above 

 mentioned. Its mouth has the same structure, being only a little more 

 concave in front. The tongue is of the same form, but proportionally 

 narrower, its tip slit. The oesophagus is 1 inch 8 twelfths long, its 

 average width 1 twelfth. The stomach 4| twelfths by 3| twelfths. 

 Intestine 3 inches 10 twelfths long, its greatest width barely 1 twelfth ; 

 coeca little more than 5 twelfth long, and 7^ twelfths distant from the 

 extremity. Trachea 1 j inch long, of 55 rings, with 2 dimidiate ; its 

 muscles as in the other species, but the inferior laryngeal proportionally 

 a little lai'ger ; bronchi of about 12 half rings. 



GREEN BLACK-CAPPED FLYCATCHER. 



MUSCICAPA WiLSONH. 



PLATE CXXIV. Vol. IL p. 148. 



This species is abundant on the Columbia River, whence several 

 specimens were brought by Dr Townsend. I also found it on my way 

 to the Texas, early in April. It is now not uncommon in New Jersey, 

 on its passage Northward ; but it has not been mentioned as occurring 

 in the Fiu" Countries. 



YELLOW-THROATED VIREO. 



ViREO FLAVIFRONS, ViEILL. 



PLATE CXIX. Vol. II. p. 119. 



The egg of this bird measures thirteen-sixteenths of an inch in 

 length, by five-eighths, is of a slightly elongated form, oval, from the 



