NORTHERN SMALL-BILLED WATERTHRUSH 487 



land) ; throughout the Lesser Antilles (Virgin Islands, Antuilla, Bar- 

 buda, Antigua, Guadeloupe, San Lucia, the Grenadines, Tobago, and 

 Trinidad) ; and French Guiana (Cayenne). South to French Guiana 

 (Cayenne); British Guiana; and Ecuador (Esmeraldas). West to 

 Ecuador (Esmeraldas) ; through Central America; Mexico (Tulan- 

 cingo and Metlaltoyuca) ; to southern Baja California (Magdalena 

 Bay). 



Casual records include specimens taken or observed in Greenland, 

 Texas, Michigan, Louisiana, and Mississippi. 



The species as outlined is divided into three subspecies or geographic 

 races. The northern waterthrush {S. n. noveboracensia) breeds in 

 the eastern part of the range from Newfoundland to North Carolina ; 

 Grinnell's waterthrush {S. n. notdbilis) takes up the greater part of 

 the range from Alaska to southwestern Labrador and south through 

 north-central Quebec, northern Michigan, northeastern Ohio, and 

 west ; while McCabe's waterthrush {S. n. limnaeus) breeds in central 

 British Columbia. 



Migration. — Late dates of spring departure are: Venezuela — 

 Rancho Grande near Maracay, Aragua, April 22. Colombia — Santa 

 Marta region, April 30. Panama — San Miguel Island, April 29. 

 Costa Rica — San Jose, May 21. Nicaragua — southeastern. May 5. 

 Honduras — near Tela, May 9. Guatemala^ — Uaxactun, May 7. Vera 

 Cruz — Presidio, May 21. Baja California — Puerto Balandra, May 

 18. Virgin Islands — St. Croix, May 5. Puerto Rico — Fortuna, May 

 10. Haiti— lie a Vache, May 6. Cuba— Habana, May 20.. The 

 Bahamas — Cay Lobos Light, May 17. 



Early dates of spring arrival are: The Bahamas — Cay Lobos 

 Light, April 11. Florida — Miami, March 15; Pensacola, March 16. 

 Alabama — Sylacauga, April 16. Georgia — Macon, March 15. South 

 Carolina — Mount Pleasant, March 24. North Carolina — Raleigh, 

 April 4 (average of 15 years, April 27). Virginia — Rockbridge 

 County, April 16. West Virginia — Bluefield, April 22. District of 

 Columbia — Washington, April 16 (average of 36 years, April 27). 

 Maryland — Plummers Island, April 18. Pennsylvania — Sandy Lake, 

 Mercer County, April 22 ; State College, April 24 (average, April 26) . 

 New Jersey — Fort Lee, April 21. New York — Cold Spring Harbor, 

 Long Island, April 14; Ithaca, April 23. Connecticut — Portland, 

 April 27. Rhode Island — Kingston, April 21. Massachusetts — Na- 

 hant, April 22. Vermont — Rutland, April 26. New Hampshire — 

 Hancock, April 29. Maine — Phillips, April 28. Quebec — Montreal, 

 April 30. New Brunswick — Scotch Lake, May 4. Nova Scotia — 

 Wolfville, May 3. Prince Edward Island — Mount Herbert, May 13. 

 Newfoundland — Stephenville Crossing, May 22. Louisiana — New 

 Orleans, April 7. Mississippi — Deer Island, April 19. Tennessee — 



