184 



No. Species. Centre of abundance during breeding season. 



113. Icterus spurius (L.). Streams of lower por- 



tions. Denver (ALLEN). 



*114. Scolecophagus Foot-hills, cedar woods. 



cyanocephalus (WAGL.). 



115. Quiscalus purpureus, 

 var. ^ENEUS Kidgw. 



*116. Corvus corax L., Everywhere. 



var. CARNIVORUS Bartr. 



*117. Corvus cryptoleucus COUCH. 



*118. Picicorvus columbianus (WILS.). Pine region. 



*119. Gymnokitta Pinon woods of foot-hills. 



cyanocephala (PR. MAX.). 



Picacaudata L., 



var. HUDSONICA J. Sabine. 



*120. 

 *121. 

 *122. 

 *123. 

 *124. Tyrannus Carolinensis (L.). 



Cyanura Stelleri (GM.), 

 var. MACROLOPHA Baird. 



Cyanocitta Floridana (BARTR.), 

 var. WOODHOUSEI Baird. 



Perisoreus Canadensis, 

 var. CAPITALIS Baird. 



Streams below the pine 

 region. 



Pine region. 



*125. Tyrannus verticalis SAY. 



*126. Tyrannus vociferans SWAINS. 



*127. Contopus borealis SWAINS. 



*128. Contopus Bichardsonii SWAINS. 



*129. Myiarchus crinitus (L.), 

 var. CINERASCENS Lawr. 



*130. Sayornis Sayus BOXAP. 



131. Empidonax Traillii (AUD ). 

 *132. Empidonax pusillus (SWAINS ). 



*133. Empidonax flaviventris BAIRD, 

 var. DIFFICILIS Baird. 



134. Empidonax minimus BAIRD. 



135. Empidonax Hammondii XANTUS. 

 *136. Empidonax obscurus (SWAINS.). 



*137. Ceryle alcyon (L.). 



Foot-hills and lower 

 mountain streams. 



Pine region. 



Lower portions and 

 mountain parks. 



With T. Carolinensis. 



Pine region. 



All woods below pine reg. 



Streams up to the moun- 

 tain parks. 



Rocky arid portions, 

 plains and caiions. 



Willows along streams 

 up to the parks. 



Pine region. 



Aspen woods below the 

 pine region. 



Chiefly valley 

 and parks. 



portions 



