Decapods 5 a 



- West of Cockburn point, Dolphin and Union strait, Northwest Territories; 

 15-20 fathoms; sandy mud, with stones and algse; September 14, 1915; station 

 43c; one specimen, with bopyrid parasite in left branchial chamber. 



Outer harbour, Bernard harbour. Northwest Territories; about 5 fathoms; 

 sandy mud, with alga; July 20, 1915; station 41; five specimens. 



Outer harbour, Bernard harbour, Northwest Territories; about 5 fathoms; 

 mud with algse (mostly loose); July 28, 1915; station 41c; three specimens 

 (1 d' ,2 9). The male and one female have purplish antennal scales and purple 

 dot-markings on antennae, eye-stalks, and legs; telson more orange, carapace 

 flammeate. 



Outer harbour, Bernard harbour. Northwest Territories; about 3 fathoms; 

 mud with brown algae; August 1, 1915; station 41/; one ovigerous female, 

 one young. 



Bernard harbour. Northwest Territories ; from stomach of big- 9 Erignathus 

 barbatus; September 3, 1915; station 42e; one specimen. 



Bernard harbour. Northwest Territories; from stomach of Erignathus 

 barbatus; October 22, 1915; station 42w; one specimen. 



DiSTKiBUTioN — From Arctic ocean, north of Bering strait, southward to 

 the Aleutian islands and Kadiak on the American side, and to Okhotsk sea 

 on the Asiatic side; Arctic America from! Melville island southward to cape Cod, 

 Massachusetts, and eastward via Greenland and Iceland to New Siberia islands; 

 southward on the European coast to the Hebrides and Skagerak; 1-553 fathoms. 



For table of distribution, see von Hofsten, 1916, fig. 3. 



The two general localities where this species was taken by the Canadian 

 Expedition are intermediate between those previously recorded. 



Spirontocaris fabricii (Kroyer). 

 (Rathbun, 1904, p. 85.) 



Off point Lay, Arctic Alaska; lat. 69° 35' N., long. 163° 27' W.; 11-12 

 fathoms^rock and sand, with many algse; August 17, 1913; station 22; two 

 9 ovigerous. 



West of Cockburn point. Dolphin and Union strait, Northwest Territories; 

 15-20 fathoms; sandy mud, with stones and algse; September 14, 1915; station 

 43c; twenty-three specimens. 



DiSTRiBTJTioN. — Arctic coast of Alaska southward through Bering sea to 

 Okhotsk sea and Alaska (Cook inlet) ; Arctic Canada (see above) ; Atlantic 

 coast of America from West Greenland southward to Massachusetts bay. Low 

 water to 100 fathoms. 



Spirontocaris gaimardii belcheri (Bell). 

 (Rathbun, 1904, p. 86, pi. Ill, figs. 3, 3a.) 



Off Icy cape, Arctic Alaska; lat. 70° 24' N., long. 161° 25' W.; 9-10 fathoms; 

 mud, with pebbles; August 19, 1913; station 23; one ovigerous 9 and fragments 

 of one d", one 9. 



Off Stapylton bay. Dolphin and Union strait. Northwest Territories; 25-30 

 fathoms; sandy mud, with pebbles; September 14, 1915; station 43&; one d'. 



Distribution. — Nova Zembla, Kara sea, Arctic Siberia and Alaska, thence 

 south to Sitka; Dolphin and Union strait, Arctic Canada (see above); Western 

 Greenland and Labrador; 3|^^37 fathoms. 



The distribution of the species, *S. gaimardii, with all its variations is 

 much more extensive (see von Hofsten, 1916, fig. 4), includirig Eastern Greenland, 

 Iceland and Northern Europe, thence southward to Scotlaiid and Kiel bay. 



