398 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. XIII. 



B[ucco] m[aculatus] maculatus HELLMAYR, Nov. Zool., XV, 1908, p. 86, in text 

 (Bahia, Santarem, etc.). 



Range: Eastern Brazil. 



4: Brazil (Sao Amaro, Bahia, 2; Macaco Secco, Bahia i; Santarem 

 i). 



Nystalus maculatus parvirostris (Hellmayr)* SMALL-BILLED PUFF- 

 BIRD. 



Bucco maculatus parvirostris HELLMAYR, Nov. Zool., XV, 1908, p. 86 (Rio Ara- 

 guaya, Goyaz, Brazil). 



Range: Central Brazil (Goyaz; Matto Grasso (Guayabo and 

 Caicara?) b 



*Nystalus maculatus nuchalis subsp. nov. CEARA PUFF-BIRD. 



Range: Northeastern Brazil (Prov. of Ceara). 



10 : Brazil (Serra Baturite, Ceara i; Quixada, Ceara 6; Jua, near 

 Iguatu, Ceard 3), including the type. 



Nystalus maculatus striatipectus (Sclater). STRIPE-BREASTED PUFF- 

 BIRD. 



Bucco striatipectus SCLATER, Proc. Zool. Soc. Lond., 1853, p. 123 (Bolivia); Id., 

 Mon. Jacamars and Puff-birds, 1882, p. 101, pi. 33; Id., Cat. Bds. Brit. Mus., 

 XIX, 1891, p. 190; L6NNBERG, Ibis, 1903, p. 468 (Tatarenda, Bolivian 

 Chaco). 



(?) Bucco maculatus striatipectus ALLEN, Bull. Am. Mus. Nat. Hist., V, 1893, p. 

 134 (Chapada, Matto Grosso). d 



[ucco] m[aculatus] striatipectus HELLMAYR, Nov. Zool., XV, 1908, p. 86, in text 

 (Tucuman and Salta, Argentina). 



Range: Bolivia, northwestern Argentina and southwestern Brazil. 



Key to the Subspecies of N. maculatus: 

 A Breast and sides spotted; foreneck darker. 

 a Tail longer, bill larger and longer. 



a 1 Tail more than 70; bill more than 32 mm.; band on nape wider, 



etc. N. maculatus maculatus (eastern Brazil). 

 a* Size similar, band on nape narrower, etc. N. maculatus nuchalis 



(northeastern Brazil), 

 b Tail shorter; bill smaller. 



a 1 Tail less than 70; bill less than 32 mm. N. m. parvirostris (central Brazil). 

 B Breast and sides streaked; foreneck paler. 



N. m. striatipectus (southwestern Brazil, Bolivia and N. W. Argentina). 

 b Not typical, cf. Hellmayr, /. c. 



Nystalus maculatus nuchalis subsp. nov: Type from Jua, near Iguatu, Ceara, 

 Brazil. Adult male, No. 47235, Field Museum of Natural History. Collected by 

 R. H. Becker, August 8, 1913. 



Similar to N. m. maculatus in size, length of bill, tail, etc., but differs in having 

 the band across the nape much wider and more tawny; feathers of crown tipped with 

 tawny, pale ends of back feathers more extensive and irregular; pale bands on the 

 rectrices wider and paler. 



d Birds from this region are apparently intermediate between parvirostris and 

 striatipectus (cf. Hellmayr, /. c.). 



