406 A. V. Pelzein 07i the Genus Furnarius. 



Neuw. ; Teiiente Borges^ Uruguay, and Cuyaba [Natterer), 

 Bolivia {d'Orbigny^ et Bridges); Tilotilo, prov. Yungas 

 [Buckley) . 



-f-^3. Furnarius leucopus, Swains. 



Pileo et regione auriculari obscure brunneis ; dorso, alis supra 

 caudaque ferrugineis iu ciunamomeum vergeutibus ; re- 

 mige primo nigro absque macula ; subalaribus minoribus 

 ferrugineis, majoribus albis; loris, superciliis latis et gut- 

 ture pure albis, gastrseo reliqno ochraceo, pectore in fer- 

 rugineum vergente, abdomine medio et subcaudalibus 

 albis; rostri maxilla et mandibulse apice obscuris, man- 

 dibula reliqua pallida; pedibus flavido-albis. Lougit. 

 Q^" , alae 3" Q'" , caudse 2" 4-6'", rostri arictu 12-13"'', 

 tars. 11-12'". 

 Furnarius leucopus, Swains, Two Cent. p. 325. 133, t. 67a; 



Caban. in Schomb. Reise n. Guiana, iii. 688; Reiclienbach, 



Scansori*, p. 204. sp. 498, p. .543. f. 3711; Caban. et F. 



Heine, Mus. Hein. ii. 23 ; Sclater et Salvin, Exot. Orn. p. 8 ; 



Pelzein, Orn. Bras. 35 (part.) ; Gray, Hand-list, sp. 2178; 



Sclater et Salvin, Nomencl. Av. Neotrop. 61. 



Hab. Guiana et Brasilia septentrionalis : Guiana [Sivainson 



et Schomburgk) ; Forte do Rio Branco, January, December, 



Rio Amajau, September [Natterer) . 



""^4. Furnarius assAiilis, Cabanis et F. Heine. 



F. leucopodi similis, sed paulo minor, pileo minus obscure 

 brunueo, corpore supra Isetius ferrugineo; pectore ru£e- 

 scentiore, et remigis primi in pogonio interno macula 

 rufa minore differt. Lougit. 6i", alae 3" 3-4'", caudae 

 2" 5'", rostri a rictu 11-12"', tars. 12-13'". 



Opetiorhynchus ferrugineus, Natterer, Cat. MS. 

 Opetiorhynchus rufus, Thienemann, Fortpflanzuugsgesch. 

 136 (description of the two nests collected by Natterer). 

 Furnarius leucopus, Pelzein, in Sitzgungsb. k. Akad. Wiss. 



* D'Orbiguy enumerates the following localities : — Soutli of the La 

 Plata, Buenos Ayres, Corrientes, frontier of Paraguay, Chiqiiitos, Santa 

 Cruz de la Sierra, plains of Central Bolivia, Cochabamba, Valle Grande, 

 Bolivian Andes, at an altitude of more than 3000 metres. Which of 

 these localities belong to the present and which to the preceding species 

 it is not possible to decide without examination of the specimens. 



