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New species of insects collected by C. William Beebe in South America-- I. Mallophaga from the hoatzin

Published in Zoologica, in 1910, in volume 1, issue 4, pages 117-121

New species of insects collected by C. William Beebe in South America—II. A new mantis from British Guiana

Published in Zoologica, in 1910, in volume 1, issue 4, pages 123-124

New species of insects collected by C. William Beebe in South America--III. New species of Lepidoptera from British Guiana

Published in Zoologica, in 1910, in volume 1, issue 4, pages 125-138

Racket formation in tail-feathers of the motmots

Published in Zoologica, in 1910, in volume 1, issue 5, pages 140-149

Three cases of supernumerary toes in the broad-winged hawk, Buteo platypterus (Viell)

Published in Zoologica, in 1910, in volume 1, issue 6, pages 150-152