Informe Oficial de la Comision Científica agregada al estado mayor
general de la Expedicion al Rio Negro (Patagonia). Realizada en
los meses de Abril, Mayo y Junio de 1879, bajo las órdenes del
General D. Julio A. Roca. Entrega I. Zoología. Buenos Aires,
1881.
Dr. Adolf Doering, of the Argentine University of Cordoba, has been a
zealous collector and observer of the birds of the Republic (see under
Cabanis and Sclater). The zoological portion of his report upon the Rio
Negro expedition of 1879 gives a list of the birds, which contains 110
species, most of them well-known Patagonian forms.