38 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I28 



heretofore from Alaska. It reaches a length of 12 mm., and has been 

 taken as low as 887 m. , 



MONOCULODES PACKARDI Boeck 



Monoculodes packardi Sars, 1892, p. 307, pi. 109, fig. i. — Stebbing, 1906, p. 266. 

 — Stephen SEN, 1931, p. 247; 1938, p. 229; 1940b, p. 40. 



Material collected. — Taken in screen trap through hole in ice in 

 80 feet, April 15, 1950, 2 specimens. From beach at Point Barrow 

 base, September 24, 1950, i specimen. 



This species has been recorded from Gulf of St. Lawrence, Iceland, 

 Norway, Nova Zembla, and Danish waters. It is new to the Alaskan 

 fauna. It reaches a length of 12 mm., and has been taken from shal- 

 low water down to 235 m. 



MONOCULODES SCHNEIDERI Sars 

 Monoculodes schneideri Sars, 1895, p. 692, Suppl., pi. VI, fig. i. — Stebbing, 1906, 



p. 263. — GURJANOVA, 1935a, p. 76. — StEPHENSEN, 1938, p. 226. 



Material collected. — Washed ashore at Point Barrow base Au- 

 gust 21, 1949, 2 specimens. 



This species has been recorded from North Norway; White Sea; 

 Franz Joseph Land; Gulf of St. Lawrence; Cape Smyth, Alaska; 

 and Kara Sea. It measures about 6 mm. and has been taken from 

 shallow water down to about 60 m. 



ACEROIDES LATIPES (Sars) 



Aceropsis latipes Sars, 1892, p. 341, pi. 120, fig. 2. 



Aceroides latipes Stebbing, 1906, p. 255. — Shoemaker, 1920, p. 11. — Stephen- 

 sen, 1931, p. 239; 1938, p. 219; 1944b, p. 70.— GtTRjANOVA, 1935a, p. 75- 



Material collected. — Washed ashore July 26, 1949, i specimen, and 

 September 20, 1949, i specimen. From screen trap through hole 

 in ice, 1.8 miles out in 80 feet, March 29, 1950, i specimen. 



This species has been recorded from West Greenland, East Green- 

 land, North Norway, Kara Sea, New Siberian Islands, and Alaska. 

 It measures about 5 mm., and has been recorded as low as 660 m. 



Family TIRONIDAE 

 TIRON SPINIFERUM (Stimpson) 



Lysianassa spinifera Stimpson, 1854, p. 49. 



Ttron acanthurus Lilljeborg, 1865, p. 19. — Sars, 1893, p. 399, pi. 140. — Steb- 

 bing, 1906, p. 276. — Shoemaker, 1930b, p. 291. — Stephensen, 1938, p. 331; 

 1944b, p. 76. 



