( 392 ) 

 Tlio raiiL'o of tlio tliroo forms is as follows : — 



(«) Itiin-o lamatia tiiiiiutin (iiii. 



Ti/pe localiti) : Ca3"eiine. 



liah. Frciicli Gniaiia: f'iuoiine (f'herrip, etc.), Saiiit-Jean-du-Maroni (Le 

 MouU; JIns. j\Ion«c.). Snvinnm : raramarilio, Kwata (Peiianl ; Triiig Mns.). 

 British Guiana: Cainacnsa, Hio Riipuniini, Aniiai, ete. (Wliitely). Venezuela: 

 Maipnres, Orinoco R. (Chcrrie). North Braxil : JIarabitanas, Rio Vaupe, upper 

 Rio Negro ; Manaos ; Forte tlo Sfio Joainini, Rio ]5ranco (Nattcrer) ; right bank of 

 the Rio JIadeira: Borba, south to Enuenho do (iania and S. Vicente, on the 

 Giiapore (Natterer). 



Exatnined : 3 French Guiana, 7 Surinam, 4 British Guiana, 2 Maipnres, 

 1 Marabitanas, 1 Rio Vanpe, 1 Manaos, 1 Rio Branco, 2 Borba, 1 Engeuho do 

 Gama, 2 S. Vicente. 



{I/) Bucco tatnafia pdhiirntiim Scl. 



Ti/pe locality : Upper Amazons. 



Hab. Eastern Ecuador ; Sarayacu (Buckley). Eastern Pern: Pebas (Castelnau 

 k Deville), Chamicuros (Bartlett), etc. W. lirazil : Hnraaytha, left bank of Rio 

 JIadeira (Hoflmanns). 



Examiiit'd: 3 Eastern Ecuador, 3 Eastern Peru, 1 (///y;c) " Upper Amazons," 

 1 Humaytha. 



((•) Uucco tamatla hi/pnaletis (Cab. & Heine). 



Cliiiiiiinniis Iii/piiah'a Cabanis & Heine. .!/«». Heinean. iv. 1. p. 145. footnote (IHrA-I'ara). 



Type locality : Par/i. 



Ilab. N.E. Brazil : Para (Natterer), Rio Capim (Wallace), Boavista, ilarajo 

 (Steere). 



Examined: 1 c? ad.. Para (Natterer) ; 1 ? ad., Boavista (Tring).] 



[331. Bucco chacuru Vicill. 



Cf. Hellmayr, Xnt: Znol. xiv. p. 400 (Humaylba). 



Left bank : campos of Humaytha (Hofl'manns). 



No additional material has come to hand. The Humaytha birds agree in 

 size with South Brazilian and Paraguay specimens, but are perhaps ditfcrent in 

 coloration (cf. I.e.). Skins from Eastern Bolivia (Santa Cruz) and South-Eastern 

 Peru (Santa Ana) are much larger.] 



332. Bucco macrodactylus (Spi.x). 



C///-/io.« macroilaclylus Spi.v, -It'. lim^. i. p. i>\. pi. xxxix. fig. 2 (1Sl'4,— "in sylvis flum. Ama- 



zonum"). 

 Bnccn mai-rodacli/lun Pelzeln, /.<•. p. 22 (S. Joao do Crato) : Hc-Umayr, Xor. Xunl xiv. p. 400 

 (Humaytha). 



Nos. 835, 877. S ? ad., Marmcllos, 20, 27. xii. I'.m7.— Wing (V\ ; tail 54, 5G ; 

 bill 23 mm. 



No. 303. ? ad., Calama, 15. viii. 1907.— Wing ii7 ; tail (It; bill 23 mm. 



" Iris red or brownish red, feet grey, bill black."' 



Specimens from the Jladcira agree well witli those from East Ecuador and 

 Bo<^otti collections. B. macrodactylus is widely distributed in Upper Amazonia. 



