BANGS AND PENARD: NOTES ON AMERICAN BIRDS. 395 



9 cf cf' ; San Sebastiao, 1 9 ; Diamantina, 19;" Bresil," 1 cf • 

 Total, 12. 



Remarks. — We have not seen any adult males from southeastern 

 Brazil. Measurements of the adult female from San Sebastiao seem 

 to indicate that birds from the southern parts of the range may be 

 somewhat larger. 



2. Pachyrhamphus margin atus nanus, subsp. nov. 



Ti^PE.— M. C. Z. 82,600 (Penard coll. 2,008), adult cf . East Peru: 

 Xeberos, PeruA^an Amazons. Bartlett. 



SuBSPECiFic CH.\RACTERS. — Similar to Pachyrhamphus murginatus margi- 

 natits (Lichtenstein) of Baliia, but decidedly smaller; coloration about the 

 same, but white frontal band narrower and less conspicuous. 



Measurements. — ^Type. — Adult cf — wing, 67.3; tail, 46.0; tar- 

 sus, 17.5; exposed eulmen, 12.3. 



Male (fourteen specimens) — wing, 64.2-70.5 (67.8) ; tail, 45.6- 

 51.3 (48.6); tarsus, 17.0-1S.3 (17.7); exposed eulmen, 11.5-12.5 

 (12.1). _ _ . 



Female (twenty-two specimens) — vnng, 62.5-66.0 (64.8) ; tail, 

 43.0-49.0 (46.8); tarsus, 16.5-19.0 (17.6); exposed eulmen, 11.8-13.3 

 (12.2). 



Range. — Northeastern Brazil, Guiana, Venezuela, Upper Amazon, 

 eastern Peru. 



Specimens examined. — ^Peru: Xeberos, 1 cf (Type). Venezuela: 

 Sierra de Carabobo, 1 cT ; Upper Caura River, 2 9 9- Dutch 

 Guiana: "Surinam," 1 cf. French Guiana: Pied Saut (Oyapock), 

 8 cf cT, 7 9 9; Tamanoir (Mana River), 10 d^cf , 13 99. North- 

 eastern Brazil: Demonti (Oyapock), 1 9 ; North Para, 2 cfcT, 2 9 9 • 

 Total, 48. 



Remarks. — We cannot detect any difference between the type 

 from Peru and several examples in the large series from Guiana. 



Allenia fusca (P. L. S. Miiller). 



Miiscicapa fusca P. L. S. Miiller, Natursyst. suppl., 1776, p. 170 (Martinique). 

 Muscicapa fusca Boddaert, Tabl. PI. enl., 1783, p. 33 (not of p. 34), pi. 568, 

 fig. 2. 



