BIRDS OF THE REPUBLIC OF PANAMA PART 4 



CATHARUS FUSCESCENS SALICICOLA (Ridgway) 



Hylocichla fuscescens salicicola Ridgway, Proc. U.S. Nat. Mus., vol. 4, no. 240, 

 April 13, 1882, p. 374. (Fort Garland, Colorado.) 



Duller, less reddish brown, averaging darker above as compared to 

 fuscescens or fuliginosa. 



Measurements. — Males (10 from Manitoba, Montana, Colorado, 

 and Wisconsin), wing 95.4-102.0 (99.4), tail 66.3-79.3 (72.5, average 

 of 9), oilmen from base 14.5-18.5 ( 16.7), tarsus 27.7-31.5 (30.3) mm. 



Females (9 from Minnesota, North Dakota, Iowa, Montana, and 

 Colorado), wing 90.0-101.3 (94.8), tail 65.0-73.4 (70.0), culmen from 

 base 14.6-17.4 (15.9, average of 8), tarsus 27.0-32.3 (29.1) mm. 



Breeds from southern British Columbia, Alberta, Manitoba, Nevada, 

 Colorado, South Dakota, and Minnesota to southern Wisconsin, Indi- 

 ana, and southwestern Ohio; recorded in winter in South America from 

 Colombia, Venezuela, and Mato Grosso, Brazil. 



Two STjecimens have been taken at Almirante, Bocas del Toro, dur- 

 ing banding studies: a female October 12, 1962, and a male marked 

 October, without more certain date, 1963. 



CATHARUS MEXICANUS FUMOSUS Ridgway: Black-headed 

 Nightingale-Thrush, Zorzal Cabecinegro 



Catharus fumosus Ridgway, Proc. U.S. Nat. Mus., vol. 10, August 6, 1888, p. 505. 

 (Costa Rica.) 



Size medium; crown in male dull black, in female brownish black. 



Description. — Length 146-164 mm. Male, crown black; upper sur- 

 face, including tail brownish olive; band across upper breast and lower 

 foreneck, sides, underwing coverts and feathered area on upper legs 

 somewhat brownish olive; throat, upper foreneck, breast, and undertail 

 coverts white; wings like tail, but with outer webs of primaries red- 

 dish brown. 



Female, similar but crown brownish black. 



Juvenile (male, Rio Changuena, September 8, 1961), crown, back, 

 and wing coverts blackish brown, with feathers lined centrally with 

 dark buff; upper breast buff centrally, feathers edged and tipped with 

 dusky black; lower breast and abdomen dull buff. 



Measurements. — Males (10 from Veraguas and Costa Rica), wing 

 81.3-88.5 (84.5), tail 54.8-64.5 (60.3), culmen from base 14.1-17.5 

 (15.8), tarsus 28.4-32.7 (30.8) mm. 



Females (10 from Panama, Costa Rica, and Nicaragua), wing 78.5- 



