176 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I50 



A female that I collected at the lakes near El Volcan March 6, 1954, 

 was about to lay. 



Though all of the specimens taken in Panama that I have examined 

 are of the race yetapa, it is probable that birds of the typical sub- 



FiG. 35. — Swallow-tailed kite, gavilan tijereta, Elanoides forficatus yetapa. 



species Elanoides forficatus forficatus, marked by dark blue instead 

 of dark green upper back and scapulars, may form part of those 

 that are recorded over the isthmus. This race, which nests in south- 

 eastern United States, moves southward in winter as far as Ecuador, 

 but little is known of its winter range. 



