BIOLOGY. SIAL 
108. 617. Stelgidopteryxserripennis(Aud.) Rough-wingedSwallow. Sum- 
mer resident; not common. 
109. 619. Ampelis cedrorum (Vieill.) Cedar Waxwing. Migratory; com- 
mon. 
110. 621. Lanius borealis (Vieill.) Northern Shrike. Winter sojourner; 
common. 
111. 622a. Lanius ludovicianus excubitorides (Swains.) White-rumped 
Shrike. Summer resident; common. 
112. 624. Vireo olivaceus (Linn.) Red-eyed Vireo. Summer resident. A 
few heard. 
113. 627. Vireo gilvus (Vieill.) Warbling Vireo. Summer resident; com- 
mon. 
114. 633. Vireo bellii(Aud.) Bell’s Vireo. Summer resident; common. 
115. 652. Dendroica estiva (Gmel.) Yellow Warbler. Summer resident; 
common, 
116. 655. Dendroica coronata (Linn.) Myrtle Warbler. Migratory; not 
very common. 
117. 676. Seiurus motacilla (Vieill.) Louisiana Water-thrush. Summer 
resident; not common. 
118. 68la. Geothlypis trichas occidentalis (Brewst.) Western Yellow-throat. 
Summer resident; rare. 
119. 683. Icteria virens (Linn.) Yellow-breasted Chat. Summer resident; 
common. 
120. 703. Mimus polyglottos (Linn.). Mocking-bird. Summer resident; 
common. 
121. 704. Galeoscoptes carolinensis (Linn.) Catbird. Summer resident; 
common. 
122. 705. Harporhynchus rufus (Linn.) Brown Thrasher. Summer resi- 
dent; abundant. 
123. 719b. Thryomanes bewickii leucogaster {(Salv. and Godw.) Baird’s 
Wren. Summer resident; several heard. 
124. 72lb. Troglodytes aédon aztecus (Baird). Western House Wren. 
Summer resident; common. 
125. 726. Certhia familiaris fusca (Barton). Brown Creeper. Winter so- 
journer; only a few seen. 
126. 727. Sitta carolinensis (Lath.) White-breasted Nuthatch. Resident; 
common. 
127. 731. Parus bicolor(Linn.) Tufted Titmouse. Resident; not common. 
128. 735. Parus atricapillus (Linn.) Chickadee. Resident; common. 
129. 735a. Parus atricapillus septentrionalis (Harris). Long-tailed Chicka- 
dee. Resident; more common than the preceding form. 
130. 749. Regulus calendula (Linn.) Ruby-crowned Kinglet. Migratory; 
not rare. 
131. 755. MHylocichla mustelina(Gmel.) Wood Thrush. Summer resident; 
abundant. 
132. 761. Merula migratoria (Linn.) American Robin. Resident; common. 
133. 766. Sialia sialis(Linn.) Bluebird. Resident; not very common. 
