. Alaska ... Natural history; Scientific expeditions. 242 HOLMES ment with two pairs of dorsal spines or tubercles; tubercles on the sides of the body at the antero-inferior angles of the third and fourth segments and at the postero-inferior angle of the fifth segment. Palm of the anterior gnathopods straight ^and pectinated with regularly spaced, up- turned spines; inner margin of the dactyl furnished with small jagged teeth. Second gnathopods situated almost at the posterior extremity of the segment; basal joint short, broad, distally expanded, and somewhat. Fig. 125. Caprellaalaskensis. The
. Alaska ... Natural history; Scientific expeditions. 242 HOLMES ment with two pairs of dorsal spines or tubercles; tubercles on the sides of the body at the antero-inferior angles of the third and fourth segments and at the postero-inferior angle of the fifth segment. Palm of the anterior gnathopods straight ^and pectinated with regularly spaced, up- turned spines; inner margin of the dactyl furnished with small jagged teeth. Second gnathopods situated almost at the posterior extremity of the segment; basal joint short, broad, distally expanded, and somewhat. Fig. 125. Caprellaalaskensis. The posterior thoracic segments were missing in the specimen figured. produced at the anterior angle; anterior margin roughened with small tubercles such as occur elsewhere on the appendage; ischium produced anteriorly into a long, narrow-pointed process; hand narrow, much longer than all the preceding segments; the palm devoid of a spine or tubercle at the upper end, somewhat tumid a little below the middle of the hand, and armed inferiorly with a large narrow spine separated by a deep narrow sinus from a broad tooth below; dactyl large, rather abruptly curved upward near the middle, slightly swollen in the basal half, where the inner margin is furnished with some small irregular denticulations. Gills narrowly oval. The specimen from which the description and figures of this species were made had lost the posterior perasopods and last two segments of the thorax. In the elongation of the anterior part of the body and the insertion of the second gnathopods this species resembles Caprella. 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 Harriman Alaska Expedition (1899); Harriman, Edward Henry, 1848-1909; Merriam, C. Hart (Clinton Hart), 1855-1942; Washington Academy of Sciences (Washington, D. C. ). New York, Do
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
