206 BIRDS OF THE REPUBLIC OF PANAMA — PART 2 



CHORDEILES MINOR CHAPMANI Coues 



Chordiles popetue Chapmani Coues, Auk, vol. 5, no. 1, January 1888, p. 37. 

 (Gainesville, Florida.) 



Characters. — Dark in color above, like minor, but decidedly smaller. 



Measurements. — (From Ridgway, loc. cit., p. 574.) Males, wing 

 178-192 (184.1), tail 99-110.5 (105) mm. 



Females, wing 172.5-184.5 (179.4), tail 99-108.5 (103.2) mm. 



Migrant from the north, abundance uncertain. 



Recorded (from specimens) in Bocas del Toro (Rio Sixaola, Car- 

 riker, 2, September 24 and 26, 1904; Almirante, Gorgas Memorial 

 Laboratory, 1, September 7, 1962) and Canal Zone (Gatun, Jewel, 

 October 3, 1911). The bird last mentioned, from Gatun, was reported 

 by Stone (Proc. Acad. Nat. Sci. Philadelphia, vol. 70, 1918, p. 253) in 

 error as a specimen of Cm. minor. 



CHORDEILES MINOR SENNETTI Coues 



Chordiles popetue Scnneiti Coues, Auk, vol. 5, no. 1, January 1888, p. 37. (50 

 miles west of Pembina, North Dakota.) 



Characters. — Paler, grayer, with lighter markings on dorsal surface 

 about equal to the darker ones, the whole area finely mottled ; similar 

 in size to minor. 



Measurements. — (From Ridgway, loc. cit., p. 569.) Males, wing 

 186-213 (198.3), tail 101.5-112.5 (109.1) mm. 



Females, wing 175-201 (189.5), tail 102.5-115 (108) mm. 



Migrant from the north, abundance uncertain. 



One record from San Bias (Perme, Wedel, October 18, 1929). 



CHORDEILES MINOR PANAMENSIS Eisenmann 



Chordeiles minor panamcnsis Eisenmann, Amer. Mus. Nov. no. 2094, June 27, 

 1962, p. 4. (Cerro Campana, western Province of Panama, elevation about 

 750 meters, Panama.) 



Characters. — Similar in size and black dorsal background color to 

 C. m. chapmani, but with other markings darker, buff to rufous ; under 

 surface buff to tawny. 



Measurements. — Males (2 specimens), wing 181, 189, tail 96.0, 

 98.4, tarsus 14.7, 15.7 mm. 



Females (7 specimens), wing 172-184 (176.7), tail 93.5-99.5 (95.9), 

 tarsus 14.0-14.8 (14.3) mm. 



Found nesting locally on the Pacific slope. 



