NO. 1916. REVISION OF BUT0RIDE8 VIRESCENS—OBERUOLSER. 



545 



Guerrero. — ElZopilotc; ElLimoii. 



Jalisco. — Ocotlan (December 28). 



Lower California. — Seven Wells, Sal ton River;* Gardner's Laguna;* 

 San Quintin; San Fernando; San Ignacio; San Joso del Cabo 

 (January 8). 



Mexico (State). — Valley of Mexico. 



MicJioacan. — Los Reyes (February 18) ; Tupdtaro. 



Oaxaca. — Tehuantepec. 



Sonora. — San Pedro River (near the United States boundary 

 line);* San Bernardino River (near the United States boundary 

 line). 



Tamaulipas. — Victoria. 



Vera Cruz. — Orizaba. 



Costa Rica. — Vicinity of San Jos6. 



Measurements of specimens of Butorides virescens anthonyi. 



• Used in measurement averages on p. 543. 



* Type; original number,10529. 



20441°— Proc.X.M.vol.42— 12- 



