1 91 7'] Recently pjihlished Ornithological Works. 95 



component, about 10 per cent., consisted almost entirely of 

 the seeds of a sumac (Wnis). Lizards, and occasionally a 

 young bird or mammal, are devoured and swallowed whole. 

 No evidence was found of the destruction of Quails, and on 

 the whole the evidence showed that it should be certainly 

 protected and preserved. An interesting summary oP its 

 nesting and other habits is also given. 



Cory on new South American Birds. 



[Descriptions of apparently new South American birds, with notes on 

 some little-known species. By Charles B. Cory. Field Miis. Publ. Orn. 

 vol. i. 1916, pp. 337-346.] 



Twenty-six new forms are described in this paper. Cerco- 

 macra huallaga, from Peru, is the only new species, the 

 others, all new subspecies, are assigned to the genera 

 Conopophaga, Dysithamnus, Myrmeciza, Furnai'ius, Schizoeaca, 

 Synallaxis, Liptornis, Xiphocolaptes, Picolaptes, Tcenioplera, 

 MuscisaxicoJa, Todirostrnm, Myiodynastes, Myiarchus, Pachy- 

 rhamphMS, Polioj)ttla, Cistothorus, Troglodytes, Planesticns, 

 Anthus, Sa/tator, Coryphospinyus , Tangara, and Schisto- 

 chlamys. 



Dabbene on the Coots and Grebes of the Argentine. 



[Nota? biologicas sobre gallaretas y macas. Por Roberto Uabbene. 

 An. Mas. Nac. Hist. Nat. Buenos Aires, xxviii. 1916, pp. 183-192, 

 pis. i.-v.j 



This paper contains the observations made by Senores 

 Manuel and Rodriguez, well-known collectors in the Argen- 

 tine, on the nesting-habits and life-histories of two Coots, 

 ■Fulica armillata nnd F. rufifrons, and two Grebes, Podiceps 

 americanus and Podilymbus podiceps. These observations 

 were made in October and November, 1915, on the estancia 

 " Charles,^^ in the Province of Buenos Aires. The paper is 

 illustrated witii good photographs of the nests of all four 

 species, and of the young birds in various stages of develop- 

 ment, as well as by a coloured sketch of the heads of the 

 two Coots when first hatched, showing the curious and 

 complicated colour markings of the bills, 



