96 BULLETIN 14 6^ UNITED STATES NATIONAL MUSEUM 



April 12, and Matto Grosso, April 1 ; Venezuela, San Bricene, April 

 21; Ecuador, Lake Colta, April 5, and San Pedro River, April 11; 

 Colombia, La Concepcion, March 23; Panama, Chiriqui, April 13; 

 Costa Rica, Guapeles, March 5; Guatemala, Puerto Barrios, April 7; 

 Pueblo, Altisco, May 22; Yucatan, Tizimin, May 16; Tamaulipas, 

 Victoria, April 16 ; Sonora, Hermosillo, April 30 ; Lower California, 

 La Paz, April 16, and Gardners Laguna, April 23; Lesser Antilles, 

 St. Croix, April 27; Porto Rico, Patillas, May 13, and Cartagena 

 Lagoon, May 23; Haiti, April 11; Cuba, Guantanamo, May 5; 

 Bahama Islands, Andros, April 21, Cay Lobos Light, April 25, and 

 Abaco, April 28 ; and Florida, Gainesville, May 10, Daytona Beach, 

 May 11, Palma Sola, May 22, St. Marks, May 24, and Pensacola, May 

 3L 



Fall migration. — Early dates of fall arrival are: Florida, Palma 

 Sola, July 7, Pensacola, July 18, Daytona Beach, July 21, and St. 

 Marks, July 21 ; Porto Rico, Manati, July 9 and Bayamon, July 20 

 Lesser Antilles, St. Bartholomew, August 3; Lower California, Los 

 Coronados Islands, August 6; Tehuantepec, San Mateo, August 14 

 British Honduras, Manatee Lagoon, August 16 ; Guatemala, Duenas 

 September 2; Nicaragua, Escondido River, July 30, and Bluefields 

 September 17; Costa Rica, Ujurras de Terraba, September 16; Pan- 

 ama, August 4; Colombia, Fundacion, August 16, Barbacoas, August 

 30, Cienaga, September 13, and Valle Dupar, September 25; Vene- 

 zuela, Curagao, July 27, and Macuto, August 4; Ecuador, Guainche, 

 August 27, Guayaquil, August 28, and Porto velo, September 2; Peru, 

 Trujillo, September 1, and Eten, September 7; and Guiana, Abary 

 Creek, October 6, and Cayenne, October 18. 



Late dates of fall departure are: Alaska, Wrangel, October 9, 

 and Kenai River, November 14; Yukon, mouth of Moose River, 

 October 1; Alberta, Red Deer River, September 17; Montana, 

 Missoula, September 17, and Columbia Falls, September 22; Idaho, 

 Priest River, Septmeber 19, and Rupert, October 2; Wyoming, 

 Yellowstone Park, September 17; Colorado, Boulder, September 22, 

 Denver, September 23, and Mesa County, October 7; Mackenzie, 

 Great Slave Lake, September 16, and Point Brule, October 1 ; Saskat- 

 chewan, Eastend, September 10; Manitoba, Margaret, October 4, 

 Aweme, October 7, and Killarney, October 18; South Dakota, Wall 

 Lake, October 13, and Forestburg, October 20; Kansas, Topeka, 

 October 11, and Lawrence, October 14 ; Oklahoma, Copan, October 4, 

 and Caddo, October 16; Minnesota, St. Vincent, October 14, and 

 Lanesboro, November 2; Wisconsin, Madison, October 4, Racine, 

 October 6, and Burlington, October 14; Iowa, Newton, October 25, 

 Sioux City, November 3, and Coralville, November 8; Ontario, 

 Toronto, October 11, London, October 25, and Ottawa, October 30; 



