. Bulletin - United States National Museum. Science. 162 NATIONAL MUSEUM BULLETIN 271 2 and 3 coalesced; mouthparts basic, lower lip lacking distinct inner lobes; gnathopods small, subchelate; uropod 3 biramous; telson of medium length, cleft. Relationship.—The Ampeliscidae have cuticular visual lenses and pereopod 5 is shorter and of different structure than pereopod 4. Other nonisaeid families with coalesced urosomites 2-3 are the Dexa-. FiGURE 67.—Atylidae: a, Atylus falcatus Metzger (Sars, 1895, pi. 164); b, Atylus carinatus, (Fabricius) (Sars, 1895, pi. 166).. Please note that these
. Bulletin - United States National Museum. Science. 162 NATIONAL MUSEUM BULLETIN 271 2 and 3 coalesced; mouthparts basic, lower lip lacking distinct inner lobes; gnathopods small, subchelate; uropod 3 biramous; telson of medium length, cleft. Relationship.—The Ampeliscidae have cuticular visual lenses and pereopod 5 is shorter and of different structure than pereopod 4. Other nonisaeid families with coalesced urosomites 2-3 are the Dexa-. FiGURE 67.—Atylidae: a, Atylus falcatus Metzger (Sars, 1895, pi. 164); b, Atylus carinatus, (Fabricius) (Sars, 1895, pi. 166).. 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
