60 THE WILSON QUARTERLY. 



2. Merganser serrator. Red-breasted Merganser.— Comnion 

 in spring and fall. Some winter. 



3. Liophodytes cucullatiis. Hooded Merganser.— Somewhat 

 rare migrant. 



4. Aix sponsa. Wood Duck. — Not uncommon in spring and fall, 

 A few probably breed. 



5. Braiita canadensis. Wild Goose. — Not uncommon migrant. 

 It seldom tarries with us but is often heard flying over at night. 



6. Botaurus lentiginosus. Bittern. — Somewhat rare summer 

 resident. 



7. Botaurus exilis. Least Bittern. — Summer resident. About 

 as common as the i^receeding. 



8. Ardea lierodias. Great Blue Heron. — Rare ; commonest in 

 spring. As individuals are occasionally seen all summer they doubtless 

 bi-eed sparingly. 



9. Ardea virescens. Green Heron. — Common summer resident : 

 often breeding in communities. 



10. Porzana Carolina. Sora Rail, — Rare. Probably breeds, as im- 

 mature birds have been taken in the county. 



11. Pliilohela minor. Wood-cock. — Not uncommon summer resi- 

 dent. 



12. Actltis niacularia. Tip-up. — An abundant summer resident. 



13. .^gialitis vocifera. Killdeer.— Rare. Occasionally seen in 

 spring. 



14. Colinus virginianus. Quail.— Not very common. Breeds. 



15. Bonasa unibellus. Partridge. — Common resident, greatly out- 

 numbering the preceeding species. 



16. Zenaidura niacroura. Mourning Dove.— Common summer 

 resident. 



17. Circus hudsonius. Marsh Hawk.— Not uncommon. Proba- 

 blj^ breeds. 



18. Accipiter cooperi. Cooper's Hawk.— Common summer resi- 

 dent. Breeds. 



19. Buteo borealis. Red-tailed Haw^k. — Not uncommon. Breeds. 



20. Falco sparverius. Sparrow Hawk. — Common summer resi- 

 dent. 



21. Pandion lialiaetus carolinensis. Osprey.— Occasionally seen 

 all summer ; may breed. 



22. Nyctala acadica. Saw-whet Owl.— Not uncommon resident. 



23. Megascops asio. Screech Owl.— Tolerably common resident. 



24. Bubo virginianus. Great Horned Owl.— Not uncommon res- 

 ident. 



25. Nyctea nyctea. Snowy Owl. — Occasional winter visitant. 



26. Coccyzus erythroplithalmus. Black-billed Cuckoo.— Com- 

 mon summer resident. 



