44 BIRDS OF THE REPUBLIC OF PANAMA — PART 2 



Females (2 specimens), wing 139.4, 142.5; tail 83.7, 99.5; oilmen 

 16.6, 17.4 ; tarsus 31.5, 33.6 mm. 



Resident. Found locally on the Azuero Peninsula in southern Vera- 

 guas and western Herrera in the forests on the mountain slopes. Isla 

 Cebaco. 



This subspecies was described from a female taken August 2, 1925, 

 by Rex Benson on Cerro Montuosa, at an elevation of about 750 me- 

 ters. John Aldrich (Scient. Publ. Cleveland Mus. Nat. Hist., vol. 7, 

 1937, p. 62) secured a female February 23, 1932, on the Rio Mariato, 

 and a male on March 7 at 600 meters on the slopes of Cerro Vie jo, 

 both points on the Veraguas side of the range, about 15 kilometers in 

 an air line from the type locality. He found them in heavy forest 

 where they "flushed with a long partridge-like whir of wings from the 

 trails ahead of us as we walked along. It was not common anywhere." 



On Isla Cebaco in mid-January 1965, I found these doves in small 

 numbers, mainly along the borders of quebradas where some of the 

 heavy undergrowth of the original forest remained to afford them 

 cover. As they flew, the brown back distinguished them from the 

 grayer rabiblanca that also was present. Their call, hoo-hoo, given very 

 slowly, was increased occasionally by a third repetition. The notes had 

 the resonant quality of those of the rabiblanca, but with less carrying 

 power. In general the flight and mannerisms are those of Leptotila v. 

 verreauxi but in addition to the brighter brown back, the tail shows a 

 little less white. Once I found 4 together on the ground, but in other 

 encounters saw single individuals only. Three males were taken. 



The race is only slightly different from typical L. b. battyi of Isla 

 Coiba, the latter displaying merely the somewhat darker colors normal 

 in resident populations on that island. 



LEPTOTILA CASSINII (Lawrence): Cassin's Dove; 

 Paloma Selvatica 



Similar in size to the white- fronted dove, but darker colored ; gray 

 below and grayish brown crown ; with much less white in the tail. 



Description. — Length 240 to 260 mm. Adult male, forehead grayish 

 white, shading to gray on the crown and brown on the nape ; hindneck 

 grayer, sometimes with a purplish gloss ; upper surface olive-brown ; 

 outer tail feathers darker, tipped narrowly with white ; primaries dull 

 black; chin white; cheeks pale gray, shading to purplish gray which 

 covers the neck and chest ; lower breast gray, washed with pinkish or 

 pale cinnamon ; abdomen white ; central under tail coverts white, gray 



