322 TWO CENTENARIES AND A QUARTER 



124. Crotophaga sulcirostra. 



Entirely black : feathers of the body with glossy 

 margins. Bill with the sides longitudinally grooved* 

 {fig. Q5. c) 



Inhabits Mexico. Mus. Nost. 



Smaller than the last. I introduce this species merely for 

 the purpose of comparison with the two others ; although it 

 was described in my Synopsis of Mexican Birds, near three 

 years before M. Lesson called it C. Casasii. 



125. Bucco chrysoptera. 



Above,, black, striped with 

 yellow j beneath, yellowish 

 white : frontlet crimson ; chin 



yellow : ears black, margined -^ ^^^^^ 



with white ; wing covers, and 

 margins of the lesser quills, 

 golden yellow, {fig. 6Q.) 



Inhabits South Africa. Dr. Burchell's Coll. 332. m. 



Size very^small. Total length 41 inches; bill, from the front, 

 hardly \ ; wings 2^ ; tail, beyond, \ ; ditto, base \\ ; tarsus 

 ^.^Obs. Rather larger than B. chri/socomtcs : the yellow stripes 

 on the back are only on one side of each feather. 



126. Geobates brevicauda. 



Ferruginous above ; paler beneath : breast with 

 darker shades and obsolete brown stripes : wings rufous ; 

 primary quills, with the base, tips, and band in the 

 middle, black; secondaries brighter rufous, with a broad 

 black band before the tips : inner wing covers bright 

 rufous : tail with a black band. 



Inhabits Southern Brazil. Very rare. Mus. Nost. 



Small. Resembling an Anthus, or Furnariiis. Tertial quills 

 blackish brown, paler on the margins. Crown and ears dark ; 

 chin, lores, and eye stripe, whitish : legs pale. Total length 

 ^^ inches ; bill, from the gape ^ ; wings S, as long as the tail ; 

 tail, from the base l-f^; tarsus ^; hind toe and claw ^; middle 

 ditto almost ^^. 



127. Thryothorus genibarbis. 

 Above, rufous : sides of the head black : stripe over 

 the eye, and another at the base of the lower jaw, 

 white: chin snowy, bordered by a black line, gradually 



