16 E Canadian Arctic Expedition, 1913-18 



Station 28o." Collinson point, Alaska, July 8, 1914, from stomach of Sal- 

 velinus malma Walb.; 2 specimens. 



Station 37j; Bernard harbour, Northwest Territories, September 1, 1914, 

 pelagic, over 2 fathoms water; 4 specimens. 



Station 37r, u: Bernard harbour. Northwest Territories, October 16-20, 



1914, pelagic, over 1 fathom of water; 1 specimen. 



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



Distribution. — ^Arctic Ocean (Greenland, Spitzbergen, Franz Josef land, 

 Nova Zembla, Siberia.) 



40. Gammarus limnaeus Smith. 



1871. Oaninmrus lacustris S. I. Smith, Amer. J. Sci., ser. 3, vol. 2, p. 453. 



1874. Gammarus limncms, S. I. Smith, 7th Kept. U.S. Geol. Survey, p. 609; Rept. U.S. Fish 



Com. 1872-73, p. 651. 

 1874. Gammarus robxistvs S. I. Smith, 7th Rept. U.S. Geol. Survey, p. 610. 

 1907. Gammarus limnceus A. L. Wbckbl, Proc. U.S.N.M., vol. XXXII, p. 42, f. 9. 



Station 28/i: Warm creek, tributary to Sadlerochit river, about 25 miles 

 inland from Camden bay, Alaska, November 6-7, 1913; 30 specimens. 



Station ^Qg: Bernard harbour. Northwest Territories, lake or creek, from 

 stomach of Cristivomer namaycush Walb., June 28, 1915; 17 specimens. 



Station 40n'^; Lake, inland at Bernard harbour. Northwest Territories, 

 June 23, 1915, pelagic, over 4 meters of water, ice 2 meters; 11 specimens. 



Station 40n^; Pond at Bernard harbour. Northwest Territories, July 16, 



1915, pelagic; 3 specimens. 



Station 42r; Lake at Bernard harbour. Northwest Territories, October 2, 

 1915, from stomach of Salvelinus marstoni Garm. ; 5 specimens. 



Station 42v; Lake at Bernard harbour. Northwest Territories, December, 



1915, from stomach of Salvelinus marstoni Garm.; 7 specimens. 



Station 50g: Lake at Bernard harbour, Northwest Territories, April, 1906, 

 from stomach of Cristivomer namaycush Walb.; 4 specimens. 



Station 54A; Pond on north side of east end of Herschel island, Yukon 

 Territory, August 1, 1916; 28 specimens. 



This Amphipod has been found throughout the northeastern and western 

 parts of the United States, and these records now from Bernard harbour and 

 Alaska indicate that it inhabits the fresh-waters of the United States, Canada, 

 and Alaska. 



41. Gammarus locusta (Linne). 



1758. Cancer locusta Linne, Syst. Nat., ed. 10, p. 634. 



1906. Gammarus locusta Stebbing, Tierreich, Amph. I, p. 476, and synonymy. 



1909. Gammarus locusta Bruggen, M6m. Acad. Imp. Sci. St. P^tersbourg, ser. 8, vol. 18, No. 



16, p. 35. 

 1911. Gammarus locusta Staffers, Crust. Malacost., Campagne Arctique de 1907 du Due 



d'0rl6ans, p. 68. 

 1913. Gammarus locusta Pearsb, Proc. U.S.N.M., vol. 45, p. 571. 



1916. Gammarus locusta Stephbnsbn, Meddel. om Greenland, vol. LIII, p. 293. 



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

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



Station 20h: Port Clarence, Alaska, August 4, 1913, 2-3 fathoms, surface, 

 attached to floating algse; 3 specimens. 



Station 27a; Collinson point, Alaska, September 5, 1913, sandy mud with 

 scattered algse, from stomach of Cottus quadricornis L.; 2 specimens. 



Station 27c.- Lagoon-bay at Collinson point, Alaska, September 15, 1913, 

 0-1 foot water; 1 specimen. 



