Nov. 1907. BIRDS FROM GUATEMALA DEARBORN. 109 



Family Formicariidse. 



171. Thamnophilus doliatus (Linnaeus'). 



This species was found very common at Los Amates, where six 

 were collected, and not rare elsewhere up to about 4,000 feet, one 

 being taken at Lake Amatitlan and one at San Jose. It was found 

 in dense underbrush making its way among the branches, in pairs, 

 as a rule. Its crest was frequently fluffed up, which gave it a striking 

 appearance. Iris straw; maxilla black, and mandible horn-blue, 

 both sexes; feet horn-blue. 



172. Formicivora boucardi Sclater. 



This species was rather common at Los Amates, where it appeared 

 in pairs or flocks, searching foliage after the manner of Mniotiltidce. 

 They frequent the bambus especially. Two specimens, one of each 

 sex, were collected. Iris dark brown; bill black, except for a tomial 

 streak of blue affecting both maxilla and mandible ; feet horn-blue. 



173. Rhamphocaenus rufiventris (Bonaparte). 



A single specimen, the only one seen, was secured at Los Amates. 

 It was flitting about near the ground in thick woods. 



174. Cercomacra crepera Bangs. 



This species was met only at Los Amates, where four specimens 

 were collected. Both sexes are slightly darker than other specimens 

 from Nicaragua and Costa Rica. Iris, male dark brown, female light 

 brown; maxilla, both sexes, black; mandible, male black, female 

 pale; feet horn-blue. 



175. Gymnocichla chiroleuca Sclater & Salvin. 



A pair was found in a bambu thicket bordering a stream, and 

 both were secured. They kept among the lower branches and seemed 

 almost fearless. Bare forehead and ocular region French blue; iris 

 maroon; bill and feet horn-blue. 



Family Corvida*. 



176. Calocitta formosa azurea Nelson. 



Two specimens were taken at El Rancho, one at Gualan, three 



