GaLBALCYRHYNCIIUS rURUSIANUS AND PlPRA CJÍLESTI-riLEATA 85 



II a 



Galbalcyrhynchus purusianus 



and 



Pipra caelesti-pileata 



A question of priority little to my taste 



By Prof. Dr. Emil A. Goeldi, H. M. B. O. U. . 



Director oí' the Pará-Museum 



During the years IQOS and igo4 thcrc were sent by 

 our Museum two successive scientific expcditions to the 

 upper River Purtís to make collections of natural history 

 specimens. The centre of operation was a point called « Bom 

 Lugar», a rubber trading station, only a four hours sail 

 from the confluence of the Rio Acre (Aquiry), first explo- 

 red in l8ól by the English geographer Chandless and re- 

 cently much in evidence on acount of boundary questions 

 with Bolivia and Peru. Among the collections, which were 

 entirely satisfactory from ali points of view there came an 

 approximately complete representation of the local avifauna 

 of the region. 



As a result of a first general examination of the spe- 

 cimens of birds from the upper Rio Purús, I immediately 

 noticed two forms, that were quite new to me and of which 

 I did not recollect any description or allusion in scientific 

 literature. One was a well characterized species of the fa- 

 mily of Jacamars ( GalbuUdae ) and the other a no less 

 distinctly marked member of the family of Pipridae. The 

 former was represented by a nice seiues of individuais o 

 both sexes and different ages at least 14 in number, the 

 latter, the Pipra, by 3 individuais, two of which were ma- 

 les and one female. 



In 1845 Des Murs described in the « Revue zoologi- 



