( 289 ) 



All tlie males exainiueil by me agree in tlie aliove cbaracters, and are thus 

 readily distinguishable from C. cinerascens. Natterer's 8|)ecimens from Borba and 

 Mattogrosso differ slightly in being of a lighter grey, and some come very near 

 C. cinerascens in the paleness of their colour. Yet they are easily known by the 

 white shonlder-patch and the colour of the wing-coverts. 



The four females differ from the same sex of C. c/'iiera.wr/i.s in having tiie 

 shoulder strongly mixed or sjjotted with white, while it is always uniform olive- 

 brown in the latter species. All the upper wing-covcrts, too, show sharply defined 

 white apical margins. As in the ? of C. cine ratteens, the tail-feathers have large 

 white spots and the lower surface is of a dnll ochreous-brown. 



Cercomacra lirasiliana 



uom. nov. 



Ccivoman-a can-ulesi-oi^ (nee J/i/rmuthpnt rnerulesceiiM Vieillot !) Sclater, Cal. /lii-cla llril. JIus. av. 

 p. 264 (S.E. Brazil). 



<J ad. Agrees with that of C. sclateri in having a large white shoulder-patch 

 and the upj)er wing-coverts margined with white, but differs in the following 

 particulars : the bill is considerably smaller and weaker, the tail much longer 

 and much more graduated ; the tail-feathers have only narrow white apical margins 

 (instead of long tips), and the outermost feather of the alula has a very distinct 

 white edge along the outer web. The general colour, too, is much paler grey, 

 quite us pale as in C. cinerascens, etc. Graduation of the tail, 35 — 4:^ mm. 



? . Quite distinct from the females of C. cinerascens and C. sclateri in having 

 no white at all on the tail, which is jiale olive-brown (not greyish or blackish grey 

 as in its allies). The tail is also longer and much more graduated, the bill narrower 

 and weaker. The under surface is much brighter coloured and more like that of 

 C. ti/rannina ? , from which it differs in its much longer and strongly graduated 

 tail. The wing-coverts are uniform olive-brown, and there is no trace of white 

 on the shoulders. 



Habitat. S.K. Brazil: Kio-make (in coll. Hellmayr, Viudob. et Mus. Brit.); 

 " am Fuss der Serra d'Estrella, Rio " (M6n6tries). 



Mr. Sclater {Cat. Birds xv. p. -04), following Menetries, calle<l the species 

 C. caerulescens ex Vieillot. This application of the name, however, is erroueous. 

 Mijrmothera coerulescens Vieill.* is described from " Gnyane," which meant 

 Caijenne. If really referable to some species of Cercomacra, it can only be intended 

 for the bird 1 cull C. cinerascens, which is the only one found in Cayenne. Vet it 

 appears to me higlily ijuestiouable whether Vieillot's typo belonged to the genus 



•l.Vu«r. DU-t. xli. (1S17), p. lOH. 



