. Bulletin - United States National Museum. Science. - ^. Figure 90.—Eusiridae: a, Eurymera monticulosa Pfeffer (Chevreux, 1906c). Upper lips: b, Eusirus propinquus Sars (1895, pi. 147); c, Pontogeneia inermis (Kr0yer) (Sars, 1895, pi. 159). Mandible: d, Eusirus; e, Pontogeneia; f, Liouvillea oculata Chevreux (1912b). Lower lip: g, Pontogeneia; h, Eusirus; i, Bovallia gigantea Pfeffer (Chevreux, 1906c); ;', Pontogeneoides abyssi NichoUs (1938); k, Eurymera; I, Meteusiroides keyensis Pirlot (1934).. Please note that these images are extracted from scanned page images that may have been digitall

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. Bulletin - United States National Museum. Science. - ^. Figure 90.—Eusiridae: a, Eurymera monticulosa Pfeffer (Chevreux, 1906c). Upper lips: b, Eusirus propinquus Sars (1895, pi. 147); c, Pontogeneia inermis (Kr0yer) (Sars, 1895, pi. 159). Mandible: d, Eusirus; e, Pontogeneia; f, Liouvillea oculata Chevreux (1912b). Lower lip: g, Pontogeneia; h, Eusirus; i, Bovallia gigantea Pfeffer (Chevreux, 1906c); ;', Pontogeneoides abyssi NichoUs (1938); k, Eurymera; I, Meteusiroides keyensis Pirlot (1934).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.

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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience