. Bulletin - United States National Museum. Science. ISOPODS OF NORTH AMERICA. <)95 LovaJit'u'x.—North America; also Sweden, DcMiinark. (ieiMuanv. France, Great Britain, Spain, Algeria, and Norway. Body oblong-ovate, three times as long as wide, I mm.: o mm. Head wider than long, with the anterior margin [)roduced in a widely rounded, obtuse median lobe. There are no antero-lateral l()))es. The eyes are small, round, composite, and sitnated in the antero-lateral angU^s of the head. The lirst pair of antennie are rndi- mentiuy and inconspicuous. The first three articles of the second antenna


. Bulletin - United States National Museum. Science. ISOPODS OF NORTH AMERICA. <)95 LovaJit'u'x.—North America; also Sweden, DcMiinark. (ieiMuanv. France, Great Britain, Spain, Algeria, and Norway. Body oblong-ovate, three times as long as wide, I mm.: o mm. Head wider than long, with the anterior margin [)roduced in a widely rounded, obtuse median lobe. There are no antero-lateral l()))es. The eyes are small, round, composite, and sitnated in the antero-lateral angU^s of the head. The lirst pair of antennie are rndi- mentiuy and inconspicuous. The first three articles of the second antenna' are short, the first two l)cing subequal, the third, one and a half times longer than either of the others; the fourth and fifth are subequal and each is one and a half times longer than the third. The flagellum is composed of four or five ill-defined articles. The maxil- liped has a palp of two articles. The palp of the mandibles is wanting. The segments of the thorax are subequal. The epimera are not separated off on any of the segments. The abdomen is abrupt!}^ narrower than the thorax. The first two segments have the lateral parts covered by the seventh thoracic seg- ment. The sixth, or terminal, segment is wide posteriori}', with the post-lateral angles rounded and a slight emargination in the middle of the posterior margin. The basal article of the uro])oda or the peduncle extends as far as the posterior margin of the terminal segment. Xhe inner lu-anch is more slender and is a little shorter than the outer branch. Both l)ranches extend some distance beyond the abdo- men. All the legs are ambula- tory. TRICHONISCUS PAPILLICOR- NIS Fig. 734.—TeichoiNISCus fapillicoknis. Hkad and fikst thoracic segment. x 41. Trichoniscus papillicornis Richard- son, Harriman Alaska Exp. Crust., X, pp. 213-230; Proc. U. S. Nat. Mus., XXVII, 1904, pp. 670-671. Locality.—Seldovia, Cook In- let, Alaska. Body covered with low tubercles. Color light l)rown. Head with sides pr


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience