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Zoología

Thorny tinselfish (Grammicolepis brachiusculus), Poey's ichthyological memoirs | Biodiversity Heritage Library
Mosca negra (Simulium yahense) con un parásito (Onchocerca volvulus) en su antena. Magnificada 100X. | Electron and Confocal Microscopy Laboratory, Agricultural Research Service, U. S. Department of Agriculture
Human pinworm (Enterobius vermicularis)
Title page of "Apuntes para la fauna Puerto-Riqueña."
Title page from "Memorias de la Sociedad Cubana de Historia Natural 'Felipe Poey'", v.1
New Cuban Urocoptidae I "The Nautilus, v.25"
El ay-ay ó Bradypus didactylus from "Excursión científica á Viñales"
Plate 23 from "The cyclophorid operculate land mollusks of America"
Figure 27, Pentastomum denticulatum from "The Parasites of Man"
Title page of "The Journal of Parasitology, v. 1"
Title page of "Proceedings of the Washington Academy of Sciences, v.1"
Title page from "Synopsis Piscium"