134 DAVENPORT ACADEMY OF NATURAL SCIENCES. 



Suborder TROCHILI. Humming-birds. 

 Family TROCHILID/E. Humming-birds. 



Genus TROCHILUS Linn.eus. 



[B 101, R 335, C 409, U 428.] 

 Trochilus colubris Linn. Summer resident; common from the sec- 

 ond week in May until the last of September. In July, 1881, one of 

 these birds was captured and confined in a room for more than a week. 

 Every day during that time it was offered sugar dissolved in water, of 

 which it appeared quite fond. 



Order PASSERES. Perching Birds. 



Suborder CLAMATORES. Songless Perching Birds. 



Family TYRANNID^. Tyrant Flycatchers. 



Genus TYRANNUS Cuvikr. 



[B 124, R 304, C 368, U 444.] 



Tyr annus tyrannus (Linn.). Kingbird. Summer resident; com- 

 mon from the last week in April to the third week in September. There 

 is a general impression prevailing among agriculturists that this species 

 captures and destroys many honey-bees, but "it destroys a thousand 

 noxious insects for every bee it eats." (CouesJ. Nests in orchards and 

 swampy woodland. 



[B 126, R 306, C 370, U 447.] 



Tyrannus verticalis Say. Arkansas Kingbird. No personal obser- 

 vation has been made on this species in Iowa. Mr. Allen, in his notes 

 on the birds of western Iowa, states that "at Boonesboro a pair of 

 large flycatchers were seen in the timber, which I scarcely doubt were 

 of this species. Having no gun with me at the time, I was unable to 

 get them, and did not meet with them elsewhere." 



Genus MYIARCHUS Cabanis. 



[B 130, R 312, C 373, U 452.] 

 Myiarchus crinitus (Linn.). Crested Flycatcher. Summer resi- 

 dent; common from the first of May to the third week in September. 

 Nests in bird-boxes and cavities in trees. 



Genus SAYORNIS Bonaparte. 



[B 135, R 315, C 379, U 456.] 

 Sayornis plm.be (Lath.). Phoebe. Summer resident; abundant. 

 Arrives the third week in March, and commences nesting about the 

 middle of April. The nest is placed under bridges, sheds, overhanging 



