48 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 1 28 



Material collected. — Near shore at Point Barrow base, July 15, 

 1948, I specimen. In shallow water, 300 feet from shore, July 20, 



1948, 5 specimens. In 5 to 40 feet in Eluitkak Pass, and west side of 

 Elson Lagoon, August 10, 1948, 4 specimens. From mouth of bearded 

 seal, Erignathus barbatus, August 31, 1948, 11 specimens. In 120 feet, 

 September 15, 1948, 2 specimens. West shore of Elson Lagoon, 

 September 19, 1948, 5 specimens. Washed ashore August 21 and 22, 



1949, 4 specimens. Elson Lagoon, October 4, 1949, 27 specimens. 

 This variety of Gammarus locusta has been recorded from North 



and South Norway, Spitzbergen, Iceland, East Greenland, Barents 

 Sea, Jan Mayen, and Arctic America. The largest specimen in the 

 present collection, a male, measures 50 mm. This variety has been 

 taken down to 40 m. 



GAMMARACANTHUS LORICATUS (Sabine) 



Gammaracanthus loricatus Stebbing, 1906, p. 508. — Stephensen, 1940a, p. 356, 

 fig. 52, i; 1944b, p. 115, fig. 10. 



Material collected. — In shallow water, 300 feet from shore, July 20, 

 1948, 2 specimens. In 30 feet, Eluitkak Pass, Elson Lagoon, Au- 

 gust 6, 1948, 6 specimens, and August 10, 1948, 3 specimens. Washed 

 ashore August 21 to 25, 1949, 2 specimens, September 6, 1949, 

 3 specimens, and September 12, 1949, 2 specimens. In Eluitkak Pass, 

 Elson Lagoon, September 21, 1949, 3 specimens. Washed ashore 

 October 4, 1949, 2 specimens. In 40 feet in Eluitkak Pass, August i, 



1950, I specimen. From beach at Point Barrow base, September 28, 

 1950, 2 specimens. 



Gammaracanthus loricatus is a circumploar species that dips down 

 into the North Atlantic along the east coast of Greenland and Lab- 

 rador, and in the Pacific along the coast of Alaska as far as Nushagak 

 Bay. There are in the U. S. National Museum specimens from the 

 southern end of Hudson Bay; Hudson Strait, Frobisher Bay, Baffin 

 Land; Port Burwell and Rigolet, Labrador; and Collinson Point, 

 Elson Lagoon, Point Barrow, Cape Smyth, Kotzebue Sound, Norton 

 Sound, and Nushagak Bay, Alaska. The largest specimen, a femde, 

 in the present collection measures 58 mm. This species occurs from 

 shallow water down to about 35 m. 



WEYPRECHTIA PINGUIS (Kroyer) 



Amathilla pinguis Buchholz, 1874, p. 353, pi. 9, fig. 2. 



Weyprechtia pinguis Stebbing, 1906, p. 382. — Shoemaker, 1920, p. 21 ; 1926, 



p. 9. — GuRjANOVA, 1935a, p. 77 . — Stephensen, 1940a, p. 297, fig. 34, 2; 1944b, 



p. lOI. 



