Amphipods 17 e 



Station 27h: Lagoon-bay at Collinson point, Alaska, 0-1 foot water, Sep- 

 tember 18, 1913; 15 specimens. 



Station 27o: Collinson point, Alaska, September 20, 1913, pelagic, over 1 

 foot of water (9-inch ice) ; 1 specimen. 



Station 28c; Collinson point, Alaska, October 14, 1913, 1 fathom, sandy 

 mud with scattered algae; 35 specimens. 



Station 28L- Beach at Collinson point, Alaska, June, 1914; 2 specimens. 



Station 28o.' Collinson point, Alaska, from stomach of Salvelinus malma 

 Walb., July 8, 1914; 14 specimens. 



Station 28r: Bay at Collinson point, Alaska, July 24, 1914; from stomach 

 of Cottus quadricornis L. 2 fragments. 



Station 37a; Bernard harbour. Northwest Territories, August 24, 1914, 

 from stomach of Erignathus barbatus (Erxleben); 5 specimens. 



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

 pelagic, over 2 fathoms water; 1 specimen. 



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

 1914, pelagic, over 1 fathom water; 6 specimens. 



Station 40d; Dolphin and Union strait (Bernard harbour), Northwest 

 Territories, June 8, 1915. Pelagic over 9 fathoms; 1 specimen. 



Station AOh: Dolphin and Union strait (Bernard harbour). Northwest 

 Territories, June 25, 1915, pelagic, over 2| fathoms water; 5 specimens. 



Station 40m; Bernard harbour, Northwest Territories, June 25, 1915, from 

 stomach of Xema sabini (J. Sabine); 1 specimen. 



Station 40p; Bernard harbour, Northwest Territories, July 1, 1915, pelagic, 

 in littoral region; 20 specimens. 



Station 40m; Bernard harbour, Northwest Territories, July 6-8, 1915, from 

 stomach of Erignathus barbatus (Erxleben), F.; 4 specimens. 



Station 486; Banks peninsula, Bathurst inlet, Northwest Territories, May 

 18, 1916, from stomach of Gadus sp. ; 10 specimens. 



Station 50d; Young point, Northwest Territories (Dolphin and Union 

 strait), July 21, 1916, among loose algae, in littoral region; 6 specimens. 



Color. — -Entire animal maize yellow, eyes berlin blue, legs and antennae 

 banded with light russet-vinaceous, each of the body segments with a dark, 

 transverse dorsal band, the last two thoracic and the abdominal segments 

 marked on their lower portions with scarlet. 



Distribution. — Arctic ocean. North Atlantic, North Pacific. 



Immature species of Gammarus were obtained at station 40v, 4:lg, (both 

 Dolphin and Union strait)', and 56a (Harrison Bay, Alaska). 



42. Synurella johanseni, new species. 



Type specimen: Catalogue No. 1380; paratypes, Nos. 1381-3, Victoria 

 Memorial Museum, Ottawa, Canada. x 



Station 20i: Pond in the tundra at Teller, Alaska, August 6, 1913; 21 



specimens. 



Station 20i: Brackish pond at Teller, Alaska, August 3, 1913; 1 specimen 



(juvenile). 



Description. — Body rather stout, not much compressed. Head with front 

 edge broadly rounded. Eyes rather small, irregularly oval, composed of few 

 elements, brownish black. ,. , , , , 



Pleon segments 1 and 2 with posterior lateral corners slightly produced; 

 segment 3, with posterior lateral corners evenly rounded or with a very slight 

 production of the lower posterior margin. Posterior edge of pleon segment 3 

 with shallow notch bearing a minute seta just above the lower margin. 



Antenna 1 is about half as long as the body; the joints of the peduncle 

 becoming consecutively shorter; 1st joint much the stoutest; flagellum of about 



67920—2 



