252 BULLETIN 16 7, UNITED STATES NATIONAL MUSEUM 



Valle, Escorial, Culata, and Conejos) ; Ecuador (Gualaquiza, Pal- 

 latanga, Chimbo, Bucay, Naranjos, Baeza, Zambiza, Mindo, and 

 Oyacachi) ; western Brazil (Matto Grosso, Upper Amazonia, and 

 Rio Jabary) ; to northern Peru (Chamicuros). 



The West Indian races are, of course, resident in their respective 

 regions. 



Spring migration. — In the words of Griscom (1923), "the Broad- 

 winged Hawk can unquestionably claim the dubious distinction of 

 being the most misidentified of our local birds, and it is no ex- 

 aggeration to state that ninety per cent of the entries in the note books 

 of students regarding this species up to a few years ago were either 

 unreliable or unsatisfactory." The truth of this assertion has been 

 kept in mind in the compilation of the following series of dates of ar- 

 rival and departure. So far as possible, dates of the collection of 

 specimens have been utilized. When these were lacking, dates of ob- 

 servation have been included only when obtained by observers who are 

 believed to be thoroughly familiar with the species. Broad-winged 

 hawks are remarkably regular in their migrations and are now be- 

 lieved to be the last of the hawks to arrive in spring and among the 

 first to depart in autumn. Despite all precautions, however, it is 

 recognized that errors of identification may be responsible for some 

 of the following dates. — F. C. L. 



Late dates of spring departure from winter quarters are: Peru — 

 Huambos, March 9. Colombia — Bonda, March 2G; Santa Marta, 

 April 10; and Fusagasuga, April 13. Panama — Boquiti Chiriqui, 

 April 25. Costa Rica — Carrillo, April 5; and San Jose, April 20. 

 Guatemala — Patulul, April 3. 



Early dates of spring arrival are : Georgia — Chatham County, 

 March 11; Atlanta, March 29; and Macon, March 31. North Caro- 

 lina — Raleigh, April 4; and Boone, April 14. Virginia — Ashland, 

 March 15. District of Columbia — Washington, March 15. Mary- 

 land — Easton, March 21. Pennsylvania — Herrick, March 11; and 

 Renovo, March 22. New Jersey — New Brunswick, March 13; Bloom- 

 field, March 25; and Pennsville, April 11. New York — New York 

 City, April 24. Connecticut — Portland, April 10; and Fairfield, 

 April 17. Massachusetts — Dalton, April 2; Harvard, April 8; and 

 Huntington, April 24. Vermont— Rutland, April 9; Woodstock, 

 April 12; and Wells River, May 5. New Hampshire — East Jeffrey, 

 April 22; Kensington, April 25; and Amherst, May 1. Maine — 

 Winthrop, April 16; Auburn, April 25; and Waterville, April 27. 

 Quebec — Montreal, April 26. Louisiana — New Orleans, March 20; 

 and Hammond, April 4. Mississippi — Bay St. Louis, March 24; and 

 Biloxi, April 1. Arkansas — Pike County, March 10; and Delight, 

 March 21. Kentucky — Danville, April 14; and Russellville, April 

 30. Missouri — St. Louis, March 15; Mount Carmel, March 23; and 



