FAMILY FORMICARIIDAE 243 



GRALLARICULA FLAVIROSTRIS BREVIS Nelson 



Grallariciila flavirostris brevis Nelson, Smithsonian Misc. Coll., vol. 60, no. 3, 

 September 24 (27), 1912, p. 12. (Cerro Pirre, 1275 meters, head of Rio Limon, 

 Darien.) 



Characters. — Upper surface slightly browner, with the crown 

 faintly grayer than the back ; bill a very little larger. 



Measurements. — Males (3 from Darien), wing 62.5-64.1 (63.1), 

 tail 23.8-24.3 (24.0), culmen from base 15.7-16.0 (15.9), tarsus 

 21.0-22.7 (21.9) mm. 



Females (3 from Darien), wing 61.5-64.2 (62.6), tail 24.3-25.6 

 (24.9, average of 2), culmen from base 15.7-15.9 (15.8), tarsus 

 21.5-23.5 (22.3) mm. 



Resident. Found on the higher elevations of Cerro Pirre, Darien. 



This is known from two males and two females taken by E. A. 

 Goldman, April 23. May 1 and 6, 1912, from 1375 to 1580 meters 

 elevation. The collector noted only that the first one on April 23 was 

 "shot among the undergrowth in heavy forest." 



The race is closely similar to G. f. costaricensis. 



GRALLARIA GUATIMALENSIS Prevost and Des Murs: Scaled 

 Ant-pitta, Hormiguero Escamoso 



Grallaria guatimalensis Prevost and Des Murs, Zool. Voy. Venus, Atlas, livr. 

 1, "1846" (= 1842), pi. 4. (Guatemala.) 



A terrestrial species of the forest floor, with heavy body, long legs, 

 and short tail ; dark above, ruf escent below. 



Description. — Length 162-175 mm. Adult, sexes alike, crown and 

 hindneck slate to slate-gray, browner on the forehead, the feathers 

 edged with black; back, scapulars and rump olive, the feathers of 

 back and scapulars bordered by black; upper tail coverts and tail 

 russet-brown ; wings olive, with primaries, secondaries, and wing 

 coverts more or less russet on the outer webs ; a few of the coverts 

 tipped with buff and edged with chestnut ; a narrow line of white on 

 back of upper eyelid ; lores dull buff to pale gray, lined somewhat with 

 white ; side of head behind eye dark, often blackish olive, with dull 

 white shaft lines ; rictal area dull white to tawny ; chin and upper 

 foreneck olive-brown, washed with tawny, mixed in some with dusky ; 

 feathers of the lower foreneck usually white basally showing as an 

 obscure spot ; rest of lower surface tawny to tawny-ochraceous, 

 darker on sides and under tail coverts; under wing coverts and 

 inner margins of wings tawny-ochraceous. 



