. Bulletin - United States National Museum. Science. 366 BULLETIN o4, UNITED STATES NATIONAL 396.—IDOTHEA OfH- OTENSIS. as the basal part. IDOTHEA OCHOTENSIS Brandt. Idotea orlioti'usi^ Brandt, Middendorff's Sibirische Reise, II, 1851, Crust., p. 145, pi. VI, fig. 38.—MiERS, Jour. Linn. Soc. London, XVI, 1883, p. 32, pi. i, figs. 8-10.—Richardson, Proc. U. S. Nat. Mus., XXI, 1899, p. 846; Ann. Mag. Nat. Hist. (7), IV, 1899, p. 265; American Naturalist, XXXIV, 1900, p. 227; Harriman Alaska Expedition, Crust., X, 1904, p. 219; Proc. U. S. Nat. Mus., XXVII, 1904, p. 663; Bull. U. S. Fish
. Bulletin - United States National Museum. Science. 366 BULLETIN o4, UNITED STATES NATIONAL 396.—IDOTHEA OfH- OTENSIS. as the basal part. IDOTHEA OCHOTENSIS Brandt. Idotea orlioti'usi^ Brandt, Middendorff's Sibirische Reise, II, 1851, Crust., p. 145, pi. VI, fig. 38.—MiERS, Jour. Linn. Soc. London, XVI, 1883, p. 32, pi. i, figs. 8-10.—Richardson, Proc. U. S. Nat. Mus., XXI, 1899, p. 846; Ann. Mag. Nat. Hist. (7), IV, 1899, p. 265; American Naturalist, XXXIV, 1900, p. 227; Harriman Alaska Expedition, Crust., X, 1904, p. 219; Proc. U. S. Nat. Mus., XXVII, 1904, p. 663; Bull. U. S. Fish Comm., 1905, p. 216. —Awaatsch Ba}^ Sea of Ochotsk; noi'thwest coast of North America to Vancouver Ishind; Lands End and Fort Point, California; Humboldt Bay on Popof Island; Karta Bay; Port Renfrew, British Columbia (J. Lindahl). From mouth of sculpin; in sand. Depth.—Surf ace; beach; low water; 7-18 fathoms. Body oblong-ovate, al)oat three and a half times longer than wide, 12 mm.: 42 muL Sides of thorax nearly parallel; abdomen tapering slightly, the posterior extremity being about four-tifths as wide Length of abdomen a])out two-tifths the entire length of body, If) mm. :42 mm. Head a little wider than long, with the anterior margin sinuate. On either side of a median excavation is another very slight jexcavation. The posterior portion of the head is not wider than the anterior por- tion. The eyes are small, trans- versely ovate, compound, and situ- ated on the extreme lateral margin about the middle of the head. The first pair of antennae have the basal article very much dilated; it is longer and about twice as wide as any of the following articles. The first antennae reach almost to the end of the second article of the pe- duncle of the second pair of anten- uiv. The basal article of the sec- ond pair of ;intenn{\> is almost in- conspicuous from a dorsal view. The second and third articles are a))Out equal in length. The last two articles are al)
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