THE ANNALS AND MAGAZINE OF NATUKAL HISTOEY. [FIFTH SERIES.] No. 28. APRIL 1880. XXVI. — On some Points in the Structure of a Species of the 11 Willemoesia Group of Crustacea." By S. I. Smith, Prof. Comp. Anat., Yale Coll. AMONG the interesting collections of marine animals made during the past two years by the fishermen of Gloucester, Massachusetts, and presented to the United-States Fish Com-mission for the National Museum at Washington, there are two species of Podophthalmous Crustacea of peculiar interest. One of these is a remarkable hermit-crab {Parapagurus pilosi-onanus), which I have already described*; the other is the subject of this note, and belongs to the " Willemoesia group of Crustacea," which has recently been discussed by Messrs. Bate and Norman in the ' Annals.' Of the latter species I have seen a single male only, which was taken in 250 fathoms, off the coast of Nova Scotia, north latitude 43° 10', west lon-gitude 61° 20', by Capt. Thomas Olsen, of the schooner ' Epes Tarr.' This specimen is not in very good condition, having been dried (probably after having been taken from the stomach of some fish, though there is very little evidence of digestion having begun) and the internal organs consequently destroyed ; but it is still sufficient to throw considerable light upon the structural peculiarities of the group to which it belongs. * " The Stalk-eyed Crustaceans of the Atlantic Coast of North America north of Cape Cod,'' Trans. Connecticut Acad. v. pp. 27-138 (1879). Ann. & Mag. N. Hist. Ser. 5. Vol. v. 19
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