_Fem.? supra olivaceo fusca, subtus pallidior._ Long. tot. 3 unc.; _alæ_, 2¼; _caudæ_, 2; _tarsi_, ⅝; _rostri_, ⁵⁄₁₆. 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. lxi. f. 1. m. 2. fem. 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 pallidè olivaceo fuscis, plumis singulis striâ angustâ mediâ nigro-fuscâ, pennis scapularibus alis caudâque nigro-fuscis cinereo olivaceo latè marginatis; uropygio virescenti flavo; loris, gulâ, pectore humero infra, abdomine, tegminibusque caudæ inferioribus latè flavis._ Long. tot. 5 unc.; _rostri_, ⁷⁄₁₆; _alæ_, 2⅞; _caudæ_, 2¼; _tarsi_, ⅝. 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, throat, chest, under surface of the shoulders, abdomen, and under tail-coverts bright yellow: bill and feet brown. Habitat, Maldonado (_May_), and Valparaiso (_September_). Near Maldonado, I saw very large flocks of this species feeding on the open grassy plains. When the whole flock rises, these birds utter a low but shrill chirp. In Chile I obtained only one specimen. SUB-FAM.—EMBERIZINÆ. 1. EMBERIZA GUBERNATRIX. _Temm._ Emberiza gubernatrix, _Temm._, Pl. Col. 63 & 64. —— cristata, _Swains_, Zool. Ill. pl. 148. —— cristatella, _Vieill._ Gal. des Ois. pl. 67. Yellow crested grosbeak, _Lath._ Hist. La huppe jaune, _Azara_, No. 129. My specimen was procured on the banks of the Parana, near Santa Fe, in latitude 31° S. 2. EMBERIZA LUTEOVENTRIS. _G. R. Gray._ Fringilla luteoventris, _Meyen_, Nov. Act. 1880, pl. 12. f. 3. This bird was procured at Santa Cruz, in Southern Patagonia; it was rare there. CHRYSOMETRIS CAMPESTRIS. _Gould._ Fringilla campestris, _Spix_, Avium Nov. Sp. ii. p. 47, pl. 59. f. 3. ♀ _C. Mas: olivaceous; dorsi plumis singulis flavo marginatis, uropygii præsertim; vertice, gulâ, alis caudâque nigris, alis caudâque plus minusve flavo-marginatis; capitis lateribus corporeque infra latè flavis._ Long. tot. 4 unc.; 11 lin.; _rost._ 5 lin.; _alæ_, 2¾; _caudæ_, 2¼; _tarsi_, 7 lin.