. Bulletin - United States National Museum. Science. Fig. 351.— CARIN.\TA. Lateral view. The abdomen is of two segments, the first segment being- formed of several coalesced segments, as indicated })y two suture lines. In the center of this segment are two longitudinal ridges, placed obliquel^y, so as almost to meet anteriorly and to spread apart at the other extremity. This segment projects down over the last segment at either side. The last segment has a deep ex- cavation at its posterior extremity, around and above which is a cari- nated ridge extending entirely around th
. Bulletin - United States National Museum. Science. Fig. 351.— CARIN.\TA. Lateral view. The abdomen is of two segments, the first segment being- formed of several coalesced segments, as indicated })y two suture lines. In the center of this segment are two longitudinal ridges, placed obliquel^y, so as almost to meet anteriorly and to spread apart at the other extremity. This segment projects down over the last segment at either side. The last segment has a deep ex- cavation at its posterior extremity, around and above which is a cari- nated ridge extending entirely around the whole of the posterior half of the segment. , . ,. , Fig. 352.— carinata. Iwo small longitudmal abdomen. ridges are in the center of the segment. The inner branch of the uropoda is very short, not reaching the extremity of the abdomen by some distance; it is quad- rangular in shape, with sides nearly parallel, and obliquely truncated at the end. The outer branch of the uropoda is long, curved, and pointed at the end, resembling a hook somewhat. The color is a light yellow. In appearance the little isopod is very rough and rugged looking. There is but one specimen, which was found off the coast of Georgia. Depth.—4:U) fathoms. %;«.—Cat. No. 23907, Family XII. SEROLID.^. Body strongly depressed. Both pairs of antennae multiarticulate with well-defined peduncle and flagellum. Mandible with palp. Maxillipeds with a triarticulate palp. Head posteriorly fused with first thoracic segment. Seventh thoracic segment entirely wanting on dorsal side. Al)domen composed of four segments, three anterior to the large terminal segment. Uropoda lateral, with both branches free and subequal. First two pairs of legs subchelate in male, second pair smaller than first; only first pair subchelate in female; last pair of legs smaller than an}^ of the preceding pairs. First three pairs of pleopods natatory; fourth and fifth pairs bran- chial; outer branch of fourth pair form
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