II ].; c.iiKiilidn Expedition Arctic, 1913-18 



Family ATYLID^. 

 :;."). Atylus carinatus (FaJ>nrius). 



17'':;. Gammarw <(;;////./.> KABKH us, Knt. Sy.^t., vol. 2, p. 515. 



I'.'. fimilnx STKHUIM., Tirrrcidi, Amph. I, p. 328, and synonymy. 



I '.id 1 , i \ I, /lux <;irinutitx BI;I Gui:\, Mrm. Acad. Imp. Sci. St. P6tersbourg, ser. 8, vol. 18, No. 16, 



I' 32. 



I'.HJ . I /////<* ciiriinittix Sn.i'iiKNsEN, Meddel. om Greenland, vol. XLV, p. 540, 605. 

 I'.H::. .!////"> ruriimtiiK .STKI-HKXSEN, Meddel. om Gr<nland, vol. XXII, p. 171. 



Stiit ion 1206, c: Grantley harbour (port Clarence), Alaska, July 30, 1913, 

 2-3 l':it horns, sandy mud with many algae; 5 specimens. 



Station 2(K/: Port Clarence, Alaska, August 4, 1913, 2-3 fathoms, mud with 

 many alga?, 2 specimens. 



Station 27r: Collinson point, Alaska, October 2, 1913, pelagic, over 1 fathom 

 water; 3 specimens. 



Station 27s: Collinson point, Alaska, October 3, 1913, 3 fathoms, mud with 

 algae; 5 specimens. 



Station 28d: Collinson point, Alaska, October 18, 1913, pelagic; 2 specimens. 



Station 28e: Collinson point, Alaska, October 21, 1913, pelagic, over 1 

 fathom water; 1 specimen. 



Station 28/: Collinson point, Alaska, October 25, 1913, 1^ fathoms, sand 

 with algae; 2 specimens. 



Station 40w: Bernard harbour, Northwest Territories, July 6-8, 1915, from 

 stomach of Erignathus barbatus (Erxleben); 1 specimen. 



Station 41: Bernard harbour, Northwest Territories (outer harbour), July 

 20, 1915, 5 fathoms, sandy mud with many alga?; 21 specimens. 



Color. Entire animal tawny-olive with a sepia spot on the lower part of 

 the body segments, carina marked in front with sepia, second joint of pedunclo 

 of the first and second antennae darker than the rest. 



Distribution. Arctic ocean (widely distributed). 



Family EUSIRID^. 

 36. Rhachotropis aculeata (Lepechin). 



1780. Oniscus aculeata LEPECHIN, Acta Ac. Petrop., 1778i, p. 247, pi. 8, f. 1. 



1906. Rhachotropis aculeata STEBBING, Tierreich, Amph. I, p. 348, and synonymy. 



1909. Rhachotropis aculeata BRUGGEN, Mem. Acad. Imp. Sci. St. Petersbourg, ser. 8, vol. 18, 



No. 16, p. 34. 

 1916. Rhachotropis aculeata STEPHENSEN, Meddel. om Gr<nland, vol. LIII, p. 292. 



Station 29/: Lat. 70 13' N., long. 140 50' W., April 4, 1914, from stomach 

 of Phoca hispida (Schreber), 30 fathoms; 1 specimen. 



Distribution. Arctic ocean (widely distributed, circumpolar). 



A fragment of some species of Rhachotropis was collected at station 28f, 

 Collinson point, Alaska. 



37. Rozinante fragilis (Goes). 



1866. Paramphithoe fragilis GOES, Ofv. Ak. Forh., vol. 22, p. 524, pi. 39, f. 16. 

 1906. Rozinante fragilis STEBBING, Tierreich, Amph. I, p. 354, and synonymy. 

 1909. Rozinante fragilis BRUGGEN, Mem. Acad. Imp. Sci. St. Petersbourg, ser. 8, vol. 18, No 



16, p. 35. 



1911. Rozinante fragilis STAFFERS, Crust. Malacost., Campagne Arctique de 1907, du Due 

 d'Orleans, p. 56, pi. Ill, f. 1-4. 



Station 27s: Collinson point, Alaska, October 3, 1913, 3 fathoms, mud with 

 algae. (Bottom and pelagic) ; 2 specimens. 



Station 28e: Collinson point, Alaska, October 21, 1913, pelagic, over 1 

 fathom of water; 2 specimens. 



Distribution.- Arctic ocean (Greenland, Spitzbergen, Barents sea). 



