. Bulletin - United States National Museum. Science. COPEPODS OP THE WOODS HOLE EEGION 203 HALITHALESTRIS CRONI (Kr0y«r) Figure 134 Ilarpaoticus croni Kr0yer, Gaimard's voyage en Scandinavie, Atlas, pi. 43, fig. 3, a^n, 1845. Ilalithalestris croni Sabs, Crustacea of Norway, vol. 5, p. 118, pi. 72, 1905. Occurrence.—Taken in surface tows at Stations 528 and 627, Grampus^ July, 1894, the last station close to the tip of Cape Cod. Distrihution.—British Isles (Brady) ; coast of Spitzbergen (T. Scott); coast of Norway and Finmark (Sars); Greenland (Stephen- sen) ; Cape Cod (Sharpe). Color.—Body sem
. Bulletin - United States National Museum. Science. COPEPODS OP THE WOODS HOLE EEGION 203 HALITHALESTRIS CRONI (Kr0y«r) Figure 134 Ilarpaoticus croni Kr0yer, Gaimard's voyage en Scandinavie, Atlas, pi. 43, fig. 3, a^n, 1845. Ilalithalestris croni Sabs, Crustacea of Norway, vol. 5, p. 118, pi. 72, 1905. Occurrence.—Taken in surface tows at Stations 528 and 627, Grampus^ July, 1894, the last station close to the tip of Cape Cod. Distrihution.—British Isles (Brady) ; coast of Spitzbergen (T. Scott); coast of Norway and Finmark (Sars); Greenland (Stephen- sen) ; Cape Cod (Sharpe). Color.—Body semitransparent, of a light green color, deepened along the margins of the segments, and nearly always filled with clear oil bubbles of varying sizes. Female.—Body possessing a peculiarly smooth appearance; genital segment fully as wide as the metasome, as long as wide, with lateral traces of a median division; caudal rami at least four times as long as wide, the longest apical seta about half the body length; urosome segments fringed along their posterior margins on the ventral sur- face with small spinules; ovisac large and single, reaching the middle of the caudal rami. First antenna not reaching the pos- terior margin of the cephalic segment; inner expansion of basal segment of fifth legs well developed and armed with five setae, the middle one the longest; distal seg- ment oval, with six setae, the two apical ones short and very slender, the one next to them on either side considerably elongated. Total length, mm. Male.—Smaller than the female; first antennae geniculate, the segments of the terminal portion more or less fused and clawlike. Exopod of first legs very slender and tipped with two unequal spines and a seta, all ciliated. Inner expansion of basal segment of fifth legs very short, broadly triangular, and armed with three setae; distal segment subovate, the inner margin ciliated, the outer margin sparsely setose, with three apical setae. Total len
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