FAMILY CUCULIDAE 1^7 



upper tail coverts very long, the central ones reaching nearly to the 

 end of the tail. Adult (sexes alike), crown sooty brown to chestnut- 

 rufous, with the anterior feathers streaked narrowly and indistinctly 

 with dull black ; upper surface dark sooty brown, faintly glossed with 

 bronze, the rump and upper tail coverts blacker ; back, scapulars, and 

 wing coverts tipped with grayish white ; primaries with a narrow edg- 

 ing of buff midway of the outer web, forming an indistinct, broken 

 band ; primaries, secondaries, and upper tail coverts with a small 

 white spot at tips; tail feathers margined narrowly with cinnamon- 

 buff, tipped narrowly with white ; an indistinct dull buffy loral streak ; 

 a white post-ocular streak ; side of head like back, but lined narrowly 

 with cinnamon-buff and white ; under surface white, with the throat 

 narrowly streaked with dull black ; these streaks broader on the fore- 

 neck, becoming elongated tear-shaped spots on foreneck and upper 

 breast; foreneck and upper breast washed with grayish buff; under 

 wing coverts and bases of primaries white, with a white bar across the 

 center of the middle primaries ; under surface of tail gray, blacker at 

 tip. 



Immature, sides of head, foreneck, and upper breast washed with 

 buff, without streaks or spots; crown and crest dull grayish brown 

 without streaks ; light markings absent or reduced on wings, tail and 

 upper tail coverts. 



An adult male, taken at Chepo, April 15, 1949, had the iris dark 

 brown ; maxilla and tip of mandible very dark blackish brown ; rest of 

 mandible brownish neutral gray ; bare skin around eye and lores dull 

 bluish green ; tarsus mouse brown ; toes darker brown. 



A female collected at Guanico Arriba, Los Santos, January 24, 1962, 

 had the iris light brownish yellow ; bare space around eyes and bare 

 lores dull greenish gray, with the bare eyelids tinged with honey 

 yellow; cutting edge of maxilla for basal half, and basal half of 

 mandible dull brownish white ; rest of bill fuscous-black ; gape very 

 dull brownish orange ; tarsus grayish brown ; toes darker. 



Measurements. — Males (9 from Honduras, Panama, and Colorri- 

 bia), wing 163-176 (167.8), tail 162-203 (185.4), culmen from base 

 26.6-28.5 (27.4), tarsus 33.0-38.6 (35.0) mm. 



Females (8 from Mexico, Honduras, Costa Rica, Panama, and 

 Colombia), wing 160-176 (168.0), tail 177-208 (192.6), culmen from 

 base 26.0-28.7 (27.4), tarsus 32.9-38.0 (35.0) mm. 



Resident. Reported from Chiriqui (Santa Clara, Bugaba, Boquete), 

 Los Santos (Guanico Arriba), Canal Zone (Paraiso, Gamboa, Juan 



