Amphipods 23 e 



closely with Sars's figure. As the male has not been described, I give here a 

 description of the specimen taken on this expedition. 



Head with rostrum long and spear-shaped; lateral lobes short, apically 

 rounded. Eyes dark, not very prominent. 



Antenna 1 reaching about middle of 5th joint of antenna 2; 1st joint of 

 peduncle not very thick, flattened dorsally and armed below with one terminal 

 spine and one near centre; 2nd joint thinner and a little shorter, 3rd joint a little 

 thinner than 2nd and not quite half as long; flagellum about f length of peduncle 

 and composed of 7 joints. Antenna 2; 2nd joint reaching very little beyond 

 lateral lobes of head; 3rd joint equal in length to 2nd; 4th joint thickened and 

 equal in length to 5th joint plus flagellum; lower distal corner of 4th joint pro- 

 duced into a strong, forward-pointing tooth above which is a much shorter one ; 

 5th joint slender and slightly curved, inner distal edge produced into a blunt 

 rounded lobe; no tooth on under side of 5th joint; flagellum composed of 3 

 joints, the last very short, bearing 2 curved spines and several setse. 



Gnathopods, peraeopods, uropods, and telson as in female. 



Length. — ' 4 mm. 



Distribution. — North Atlantic, North sea, Skagerrak, and English channel, 

 Norway, West France. 



The present record marks a considerable western extension of the range 

 of this species. 



Family PODOCERID^. 



48. Dulichia porrecta (Bate). 



1857. Dyopedos porrectus Bate, Ann. Nat. Hist., ser. 2, vol. 19, p. 151. 

 1906. Dulichia porrecta Stebbinq, Tierreich, Amph. I, p. 712, and synonymy. 

 1913. Dulichia porrecta Stephbnsbn, Meddel. om Gr^nland, vol. XXII, p. 218. 



Station 57a.- Cape Smyth (point Barrow), Alaska, August 8, 1916, pelagic, 

 over 1 fathom water; 1 specimen. 



Distribution. — Arctic ocean. North Atlantic, North sea. West Greenland, 

 Iceland, Lofoten island. South and West Norway, Danish waters, Shetlands. 



SUB-OHDER CaPRELMDEA. 



Family CAPRELLID^. 



49. Caprella drepanochir Mayer. 



1890. Caprella drepanochir Mayer, F. F1. Neapel, vol. XVII, p. 81, pi. 7, f. 15, 33-34. 

 1903. Caprella drepanochir Mayer, Siboga-Exped., vol. XXXIV, p. 100, pi. 4, f. 11. 



Station 203; Port Clarence, Alaska, August 4, 1913, 2-3 fathoms, mud with 

 many algse; 7 specimens. 



Station 20h: Port Clarence, Alaska, August 4, 1913, surface (attached to 

 floating algse) ; 20 specimens. 



Distribution. — Collected between China and Mouth of Amur river, Vlad- 

 ivostok, Bering island, Chamisso harbour, and Eschscholtz bay, Alaska. 



Sub-order Hyperiidba. 

 Family HYPERIID.^^. 



50. Euthemisto libellula (Mandt). 



1822. Gammarus libellula Mandt, Obs. Hist. nat. et Anat. oomp. in itinere groenlandico factae, 



p. 32. 

 1895. Euthemisto libellula Sars, Crust. Norway, vol. I, p. 13, pi. 6, f. 1. 



Station 29/; Lat. 70° 13' N., long. 140° 50' W., April 4, 1914, water depth 

 about 30 fathoms, from stomach of Phoca hispida Schreber; 8 specimens. 



