NATURAL HISTORY, TORONTO REGION 
235. Migrant Shrike. Lanius ludovicianus mi- 
grans. Regular summer resident, not common; 
breeds. 
Family VrrEonrae. 
236. Red-eyed Vireo. Vireosylva olivacea. Reg- 
ular summer resident, common, breeds. 
237. Philadelphia Vireo. Vireosylva philadelphica. 
Regular migrant, not very common. 
238. Warbling Vireo. Vireosylva gilva gilva. Reg- 
ular migrant, not common. 
239. Yellow-throated Vireo. Lanivireo flavifrons. 
Regular migrant, rare. 
240. Blue-headed Vireo. Lanivireo solitarius soli- 
tarius. Regular migrant, common. 
Family Myiotintipas. 
241. Black and White Warbler. Mniotilta varia. 
Regular migrant, abundant, rare summer resident; 
breeds. 
242. Nashville Warbler. Vermivora rubricapilla 
rubricapilla. Regular migrant, abundant. 
243. Orange-crowned Warbler. Vermivora celata 
celata. Regular migrant, always rare. 
244, Tennessee Warbler. Vermivora peregrina. 
Regular migrant, rare. 
245. Northern Parula Warbler. Compsothlypis 
americana usneae. Regular migrant, abundant. 
246. Cape May Warbler. Dendroica tigrina. Reg- 
ular migrant, sometimes fairly common. 
232 
