88 ZOOLOGY OF THE VOYAGE OF THE BEAGLE. 



Habitat, St. Jago, Cape Verde Islands. (September and January.) 



Like the last species, this bird inhabits sterile lava plains ; it runs like a lark, 

 and generally goes in small flocks. 



Sub-Fam.— PYRRHTJLIN^. 

 Spermophila nigrogularis. Gould. 



S. capite corporeque supra, alis cauddque fusco cinereis ; loris guldque nigris ; lineis a 

 rostri angulis per collum utrinque descendentibus, pectore abdomineque mediis, tegmi- 

 nibusque caudalibus inferioribus cinereo albis. 



Fern. ? supra olivaceo fusca, subtus pallidior. 



Long. tot. 3 unc; alee, Z\; caudce, 2; tarsi, g ; rostri, -fg. 



Male.— Head, all the upper surface, wings and tail, brownish-grey; lores and 

 throat black ; lines from the angle of the bill down each side of the neck, 

 centre of the chest and abdomen, and the under tail coverts greyish-white ; 

 bill light horn colour ; feet dark-brown. 



Female?— The whole of the plumage olive-brown above, and lighter beneath ; bill 

 and feet brown. 



Habitat, Monte Video. (November.) 



1. Crithagra? brasiliensis. 



Fringilla Brasiliensis, Spix. Av. Sp. Nov. ii. t. Ixi. f. 1. m. 2. fern. p. 47. 



My specimens were obtained from the northern bank of the Plata, in the 

 months of June and November. 



2. Crithagra? brevirostris. Gould. 



C. vertice dorsoque pallide olivaceo fuscis, plumis singulis stria angustd media nigro- 

 fuscd, pennis scapularibus alis cauddque nigrofuscis cinereo olivaceo late marginatis ; 

 uropygio virescenti flavo ; loris, guld, pectore humero infra, abdomine, tegminibusque 

 caudce inferioribus late flavis. 



Long. tot. 5 unc. ; rostri, -^ ; aloe, 2| ; caudce, 2\ ; tarsi, §. 



Crown of the head and back, light olive-brown, with a narrow stripe of blackish- 

 brown in the centre of each feather; scapularies, wings and tail, blackish- 

 brown, broadly margined with greyish olive ; rump greenish-yellow ; lores, 



