A contribution to the ornithology of north-eastern BrazilPublished in Field Museum Publications Chicago Zoological Series, in 1929, in volume 12, pages 235-501A new Rodent from the Galapagos IslandsPublished in Field Museum Publications Chicago Zoological Series, in 1929, in volume 17, pages 21-24
A new Rodent from the Galapagos IslandsPublished in Field Museum Publications Chicago Zoological Series, in 1929, in volume 17, pages 21-24