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much deeper yellow, the back darker and less golden, the median rectrices less 
distinctly edged with greenish, etc. Moreover, wings, tail, and bill are much 
shorter, and the adult male possesses a dark crimson mystacal stripe, 
The characters and ranges of the four geographic races of the group are as 
follows :— 
(a) C. chrysochloros chrysochloros (Vieill.). 
Type locality: Paraguay. 
Hab, Paraguay (Azara): Lambaré (Rohde). Argentine: Fortin Donovan, 
Rio Pilcomayo (Kerr); Oran, Salta (Gerling—Brit. Mus.) ; Ledesma, Jujuy 
(Dinelli—Munich Mus.). §8.E. Bolivia: San Francisco, Chaco (Borelli), Piedra 
Blanca (Smith). Brazil, Western Mattogrosso : Corumba (Borelli, Smith), Miranda 
(Bach—Mnus. Brit.), Cuyabé (Natterer), 
Adult. Ground-colour of under parts deep ochreous golden yellow, throat 
uniform deep yellow. Male with upper part of the head and broad mystacal stripe 
deep crimson, 
Wing. Tail. Bill. 
Five adult males .. : ; » 115—125 73—87 214—24 mm, * 
Three adult females . : . - 117—126 77 —83 21—23 ,, 
(4) C. chrysochloros braziliensis (Swains.). 
Picus Braziliensis Swainson, Zoolog. Illustr. i. pl, 20 (1820-21.—“ province of Bahia”’), 
Type locality: Bahia, Eastern Brazil. 
Hab, Bastern Brazil: Bahia (Swainson ; trade skins in Mus. H. v. Berlepsch) ; 
Piauhy : Parnaguéa (Reiser). : 
Adult. Exactly like C. c. chrysochloros, but with longer, stouter bill, and upper 
parts duller olive. 
Wing. Tail, Bill. 
Two adult males from Bahia, : f ~ 124 80 25 mm, 
Three adult males from Piauhy res . 138, Ries 24,25 mm. 
Two adult females from Bahia . : . » 122,125 75,79 24, 241 ,, 
One female from Pisuhy . =. 3.5 =, 122 774 244 = 
(c) C. chrysochloros paraensis Snethl. — 
Type locality: Murucuti, near Para, 
Hab. North Brazil: Murucnti, Para (Hagmann) ; Calama, right bank of lower 
R. Madeira (Hoffmanns). ; 
Adult. Differs from (a) and (b) by its larger size, brighter golden olive back, 
pale yellow ground-colour of the under parts, etc. Male with pileum red, but 
mystacal stripe dark olive (not crimson). 
Wing. = Tail. Bill. 
One adult male from Pard (type) . : ; ; ee ie 25 mm. 
One adult male from Calama. . . . ., | 439 80. 268 ,, 
One adult female from Calama ; ‘ : ; meee b¥: 75 a0 cy 
(d) ©. chrysochloros capistratus (Malh.). 
Type locality: Rio Negro, 
Hab. N.W. Brazil: Manéos, S. Isabel, Marabitanas, Rio Vaupé, Rio Negro 
(Natterer); Teffé, Rio Solimoéns (Hoffmanns). Eastern Ecuador: Sarayacu 
(Buckley). British Guiana; R. Rapununi (Whitely). 
