123 The Wilson Bulletin — Xo. 100 



1897, at University Park, and in Berkeley Park, August 29, 1914. 

 Nested in Overland Park during the summer of 1917. 



69. Colaptes auratus luteus — Northern Flicker. Rare straggler, 

 but becoming more frequent each year; seen in Cheesman Park 

 twice in 1915, and twice in 1916. 



70. Colaptes cafer collaris — Red-shafted Flicker. Common resi- 

 dent, and breeds even near center of city, i.e. Grant Street and 

 Nineteenth Avenue. 



71. Phalcenoptilus nuttalU nuttaUi — Poorwill. Infrequent mi- 

 grant; Cheesman Park, May 15, 1914, and May 19 and 25, 1916. 



^ 72. Chordeiles virginianus henryi — Western Nighthawk. Com- 

 mon summer resident; arrives about May 15, and departs about 

 October 1; nests in the suburbs. 



73. CliordeUes virginianus sennetti — Bennett's Nighthawk. Fre- 

 quent during migration, on dates similar to the above. 



74. Cypseloides niger dorealis — Black Swift. Cooke; once, 1884. 



75. SelaspJiortis platycercus — Broad-tail Hummingbird. Fre- 

 quent in all the parks, and in the outlying districts; arrives about 

 May 15, and leaves about the middle of September. Breeds. 



76. Tyrannus tyrannus — Kingbird. Fairly common in all the 

 parks and outskirts. Arrives early in May and departs late in 

 September. Breeds. 



77. Tyrannus verticalis — Arkansas Kingbird. Slightly more 

 common than the preceding in same areas; arrives about April 15 

 and departs about September 15. Breeds, the young being out of 

 the nest by July 1. 



78. Tyrannus vocifermis — Cassin's Kingbird. Seen once, at Col- 

 fax and Clayton Streets, May 17, 1908; and in City Park, July 11, 

 1917. 



79. Sayornis sai/us — Say's Phoebe. Occurs sparingly in all the 

 parks and the outskirts; arrives the last week in March and de- 

 parts the last week in September. Breeds; young out of nest by 

 July 15. 



80. Myiochanes richardsoni richardsoni — Western Wood Pewee. 

 Seen occasionally during the summer in City Park and Cheesman 

 Park. Probably breeds; earliest date noted. May 13, and the latest, 

 September 18. 



81. Otocoris alpestris praticola — Prairie Horned Lark. Cooke. 



82. Otocoris alpestris leiicolcema — Desert Horned Lark. Resi- 

 dent, and breeds in the outskirts; not common in the parks except 



^ Until the American Ornithologists Union accepts a new classi- 

 fication for the various species and races of nighthawks found in 

 the United States, the light and dark races occurring in Denver 

 may best be listed as above. 



