. Bulletin - United States National Museum. Science. MARINE GAMMARIDEAN AMPHIPODA 183 Possibly the primary cutting edge of the colomastigid mandible is missing and the digitations represent enlarged and basally fused spines of the normal gammaridean spine-row. Corophiidae and Podoceridae may resemble Colomastigidae be- cause of depressed and subcyhndrical bodies but the former two families have mandibular palps and normal Figure —Colomastigidae: a, Colomastix pusilla Grube (J. L. Barnard, 1955a). Telson: b, C. pusilla; c, Colomastix suhcastellata Hurley (1954d). Mandible: d,
. Bulletin - United States National Museum. Science. MARINE GAMMARIDEAN AMPHIPODA 183 Possibly the primary cutting edge of the colomastigid mandible is missing and the digitations represent enlarged and basally fused spines of the normal gammaridean spine-row. Corophiidae and Podoceridae may resemble Colomastigidae be- cause of depressed and subcyhndrical bodies but the former two families have mandibular palps and normal Figure —Colomastigidae: a, Colomastix pusilla Grube (J. L. Barnard, 1955a). Telson: b, C. pusilla; c, Colomastix suhcastellata Hurley (1954d). Mandible: d, C. pusilla. Maxilla \: e, C. suhcastellata; /, C. pusilla. Maxilla 2: g, C. suhcastellata; h, C. pusilla. Maxillipeds: i, C. suhcastellata; j, C. pusilla. Uropod 3: k, C. pusilla; I, C. magnirama Hurley (1954d). Gnathopod 1, C. pusilla: m, female; n, male. Gnathopod 2, C. pusilla: 0, male; p, 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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