178 Proceedings of the Biological Society of Washington. 



Range. — Southern Brazil, from Rio Janeiro to Rio Grande do Sul, and 

 thence westward through northeastern Argentina (Misiones) to the Parana 

 River in Paraguay. 



Remarks. — This is a very distinct species, differing from the others of 

 this group in its gray head. The variation in the color of the under surface 

 is comparable to that shown by certain of the other forms. The outer 

 primary also varies in the amount of narrowing; it is well marked in only 

 one of the specimens examined. 



So far as known the range of this species does not impinge upon that of 

 any other form of this group. It was described by Cabanis in 1845 from a 

 specimen in the Berlin Museum without exact locality, but remained other- 

 wise unknown until a record of the eight specimens obtained by Natterer 

 in southern Brazil was published by von Pelzeln in 1869. In more recent 

 years von Ihering and other workers in this field have done much to make 

 the bird better known, while it has been traced westward as far at least as 

 the Rio Parana in Paraguay. Burmeister's record for Tucumdn, however, 

 we think is open to question. Save for the unfortunate lapse by Senor 

 Bertoni noted above, the species has escaped synonyms. It is still rare in 

 collections, however, and very little appears to have been put on record 

 concerning its habits and characteristics in life. 



Specimens examined. — Brazil: Ubatuba, Sao Paulo, 2; Fazenda Cayoa, 

 1; unspecified, 3. Argentina: Puerto Segundo, Misiones, 1; Iguazu, Misi- 

 ones, 1. Total, 8. 



Pipromorpha macconnelH macconnelli Chubb. 



Mionedes oleagineus (not Muscicapa oleaginea Lichtenstein) Salvin, Ibis, 



1885, 293, part (Bartica Grove and Camacusa, British Guiana). 

 [Mionedes oleagineus] b. Subsp. typica Sclater, Cat. Birds Brit. Mus., 



XIV, 1888, 113, part (Bartica Grove and Camacusa, British Guiana). 

 Pipromorpha oleaginea macconnelli Chubb, Ann. and Mag. Nat. Hist., (9), 



IV, 1919, 303 (Kamakabra River, British Guiana; orig. descr.; type in 



MacConnell Coll.). 



Description. — Above plain olive green, wings and tail dusky brownish, 

 externally citrine, without trace of paler wing-bars or of terminal spots on 

 the tertiaries; sides of head and neck olive green like the back, passing into 

 dull citrine on the throat and breast, and this into rich buff on the abdomen, 

 the crissum and under wing-coverts still deeper buff (near orange buff); 

 inner margins of reraiges also rich buff; bill and feet dark (in skin), except 

 the basal half of the lower mandible. 



Measurements.— Male: wing, 62-68 (66.5); tail, 46-51 (48.5); bill, 

 9.5-11.5 (10.7); tarsus, 14.5-16.5 (15.5). Female (seven specimens): 

 wing 59-63 (61); tail, 44-48 (46); bill, 10-11.5 (11); tarsus, 14.5-16 (15). 



Range. — British Guiana (except more elevated parts) to French Guiana 

 and adjacent northern Brazil. 



Remarks. — The above name, based on a bird from the lowlands of British 

 Guiana, which is described as "darker on the upper parts than any of the 



