The Wilson Bulletin — No. 47 37 



lfl!5. Thryomanes bewickii calophonus. Northwest Bewick Wren. Not 

 uncommon resident. 



106. Troglodytes aedon parkmanii. Pacific Hou«« Wren. Not com- 

 mon summer resident. 



107. Olbiorchilos hiemalis pacificus. Western Winter Wren. Com- 

 mon resident. 



108. Cistothorus palostris paludicola. Tule Wren. Rare summer res- 

 ident. 



109. Sitta canadensis. Red-breasted Nuthatch. Not common resident. 



110. Parus atricapillus occidentalis. Oregon Chickadee. Common 

 resident. 



111. Psaltriparus minimus. Bush-Tit. Not common resident. 



112. Regulus satrapa olivaceus. Western Golden-crowned Kinglet. 

 Abundant winter resident. 



113. Regulus calendula. Ruby-crowned Kinglet. Possibly partly 

 resident. Common from Feb. 15 to May 1. 



114. Hylocichia ustulata. Russet-backed Thrush. Rare summer 

 resident. 



115. Merula migratoria propinqua. Western Robin. Resident. Very 

 rare in mid-winter. Abundant after Feb, 7. 



116. Ixorcus nazvius. Varied Thrush. Migrant. Common through 

 March. 



117. Sialia mexicana occidentalis. Western Bluebird. Resident Very 

 rare in mid-winter and not very common at any time. 



ALIy DAY WITH THE BIRDS. 



Responses to the call for All Day studies of the birds dur- 

 ing May show a gratifying interest in this intensive study of 

 the migrations. It is not an easy task to spend an entire day, 

 always on the keen edge, searching for birds, but no such ef- 

 fort goes unrewarded. One who has given much time to the 

 study of the spring migrations hopes only to be able to spend 

 more time during the next season. Constant study for three 

 weeks or more, during which the birds are passing in the 

 greatest numbers, might prove too wearing to even the most 

 ardent student, but there are those of us who must learn by 

 personal experience. 



Reports received range trom May 5 to May 23, and repre- 

 sent territory from New York City on the east to Rock Island, 

 111., on the west, and latitude from Qberlin to Columbus, 

 Ohio. The reports seem to prove that the height of the mi- 

 grations for the region covered was between May 6 and 16, a 



