14 E Canadian Expedition Arctic, 1913-18 



Family ATYLID^, 



35. Atylus carinatus (FaLricius) . 



1793. Gammarus carinatus Fabricius, Ent. Syst., vol. 2, p. 515. 

 1906. Atylus carinatus Stebbing, Tierreich, Amph. I, p. 328, and synonymy. 

 1909. Atylus carinatus Bruggen, Mto. Acad. Imp. Sci. St. P^tersbourg, s6r. 8, vol. 18, No. 16, 

 p. 32. 



1912. Atylus carinatus Stephensen, Meddel. om Greenland, vol. XLV, p. 540, 605. 



1913. Atylus carinatus Stephensen, Meddel. om Greenland, vol. XXII, p. 171. 



Station 206, c: Grantley harbour (port Clarence), Alaska, July 30, 1913, 

 2-3 fathoms, sandy mud with many algae; 5 specimens. 



Station 20g: Port Clarence, Alaska, August 4, 1913, 2-3 fathoms, mud with 

 many algae, 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 40m; 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 algae; 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 pedunchi 

 of the first and second antennae darker than the rest. 



Distribution. — Arctic ocean (widely distributed). 



Family EUSIRIDyf). 



36. Rhachotropis aculeata (Lepechin). 



1780. Onisctis acvleata Lepechin, Acta Ac. Petrop., 1778i, p. 247, pi. 8, f. 1. 



1906. Rhachotropis aculeata Stebbing, Tierreich, Ainph. I, p. 348, and synonymy. 



1909. Rhachotropis aculeata Bruggen, M6m. Acad. Imp. Sci. St. Petersbourg, s^r. 8, vol. 18, 



No. 16, p. 34. 

 1916. Rhachotropis aculeata Stephensen, Meddel. om Greenland, 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 28/, 

 Collinson point, Alaska. 



37. Rozinante fragilis (Goes). 



1866. Paramphithoe fragilis Goes, Ofv. Ak. Forh., vol. 22, p. 524, pL 39, f. 16. 

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

 1909. Rozinante fragilis Bruggen, M6m. Acad. Imp. Sci. St. P6tersbourg, s6r. 8, vol. 18, No. 



16, p. 35. 

 1911. Rozinante fragilis Stappers, Crust. Malaoost., Campagne Arctique de 1907, du Due 

 d'Orl^ans, 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). 



