. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 156 ROLAND L. WIGLEY. FIGURE 4. Antenna 1, d. with relatively few or no setae. This species most closely resembles C. cocca (Say) but differs in that it is smaller, the pereiopods are more slender, the body is thinner and less convex dorso-ventrally, the pleotelson is narrower and more evenly tapered, and the anterior lobes of the antero-lateral sections of the head are shorter and have margins devoid of setae. Other differences are mentioned later in this paper under the heading Discussion. Description.—Anterior margin of h
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 156 ROLAND L. WIGLEY. FIGURE 4. Antenna 1, d. with relatively few or no setae. This species most closely resembles C. cocca (Say) but differs in that it is smaller, the pereiopods are more slender, the body is thinner and less convex dorso-ventrally, the pleotelson is narrower and more evenly tapered, and the anterior lobes of the antero-lateral sections of the head are shorter and have margins devoid of setae. Other differences are mentioned later in this paper under the heading Discussion. Description.—Anterior margin of head broadly and shallowly excavated each side of the rostrum. Lateral anterior projections on the head are rounded or obtusely pointed. Pronounced, but comparatively shallow, V-shaped notch in each antero-lateral margin of the head ; margin anterior to the notch is without. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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