Head, all the upper surface, wings and tail, pale brown, each feather of the wings and tail margined with greyish brown; throat, white, striated with dark brown; the remainder of the under surface, buffy white; bill, dark horn colour; feet brown. Habitat, Port Desire, and St. Julian, Patagonia. (_January_). These birds frequent the wild valleys in which a few thickets grow. They generally take their stand on the upper twigs. They are shy, solitary, and not numerous. Mr. G. R. Gray considers the two specimens which were obtained to be immature, and that one is a full-fledged young, and the other a nestling of the _Agr. striatus_. 4. AGRIORNIS MARITIMUS. _G. R. Gray._ PLATE XIII. Pepoaza maritima, _D’Orb. & Lafr._, Mag. de Zool. 1837, p. 65. Agriornis leucurus. _Gould’s MSS._, and on Pl. xiii. Inhabits the coast of Patagonia. It is a scarce, shy, solitary bird, frequenting the valleys in which thickets grow, but often feeding on the ground. In the interior plains of Patagonia, on the banks of the Santa Cruz, I several times saw it chasing beetles on the wing, in a peculiar manner, half hopping and half flying; when thus employed, it spreads its tail, and the white feathers in it are displayed in a very conspicuous manner. I also met with this species in the lofty and arid valleys on the eastern side of the Cordillera of Central Chile, and likewise at Copiapó. FAMILY.—LANIADÆ. SUB-FAM.—LANIANÆ, SWAINS. CYCLARHIS GUIANENSIS, _Swains._ C. Guianensis, _Swains._, Ornith. Draw. Pl. 58. ♀ Tanagra Guianensis, _Gmel._ Laniagra Guyanensis, _D’Orb. & Lafr._ Falcunculus Guianensis, _Swains._, (1837.) Le Sourciroux, _Levaill._ Ois. D’Afr. Pl. 76. f. 2. My specimen was obtained at Maldonado, in the latter end of May. I did not see another during my residence there. In its stomach were Coleoptera. SUB-FAM.—THAMNOPHILINÆ. THAMNOPHILUS DOLIATUS, _Vieill._ Lanius doliatus, _Linné_. My specimen was obtained at Maldonado, where it is not very common. It generally frequents hedge-rows. Cry rather loud, but plaintive and agreeable. Iris, reddish orange; bill, blue, especially base of lower mandible. I observed individuals (females?) in which the black and white bands on the breast were scarcely visible, and even those on the under tail-coverts but obscurely marked. FAMILY.—TURDIDÆ. 1. TURDUS RUFIVENTER. _Licht._