22d Canadian Arctic Expedition, 1913-18. 



"3) The older young ones live burrowing in the bottom-mud in the littoral 

 region (August 14, 1915). 



"4) The older (until fullgrown) ones are prediaceous, crawling widely around 

 on the bottom, and often ascending creeks to lakes (1913-16)." 



Station 48a. Bathurst inlet. Northwest Territories, from stomach of 

 female Coitus quadricornis May, 1916. 2 adult specimens. 



Station 486. From stomach of 2 tomcods. Banks peninsula, Bathurst 

 inlet. Northwest Territories, May 18, 1916. 1 adult (fragmentary). 



Station 49x. From stomach of Coitus quadricornis, Bernard harbour. 

 Northwest Territories, July 10, 1916. 1 adult specimen. 



Station 53c. Sandspit at cape Bathurst, Northwest Territories, July 26, 

 1916. 1 adult specimen. 



Station 58c. Barter island, Alaska, August 10, 1918, J. Hadley, collector. 

 2 specimens. 



Herschel island, Yukon Territory, Rev. I. 0. Stringer, collector, 1904? 

 2 specimens. 



Fullerton, west side of Hudson bay, Northwest Territories, September, 

 1904 — beach? Neptune Expedition, A. Halkett, collector. 1 fragmentary 

 specimen. 



I have examined material in the collections of the U. S. National Museum 

 from the following localities: 



North America: Cat. No. 9398, Nakvak, Labrador, S. M. Turner, collector, 

 October, 1883, 13 specimens; Cat. No. 2431, mouth of Anderson river, north 

 of Great Bear lake, Canada, R. McFarlane, Hudson's Bay Company, 25 plus 

 specimens; Cat. No. 7863, Ooglaamii, near cape Smyth, west of point Barrow, 

 Alaska, July 30, 1882, Point Barrow Exped., "629," U.S. Signal Service, 



1 specimen, beach; Cat. No. 7866, cape Smyth, west of point Barrow, Alaska, 

 beach, September 12, 1882, Point Barrow Expedition, U. S. Signal Service, 



2 specimens; Cat. No. 20425, Icy cape, Arctic ocean, between tides to five 

 fathoms, sand, gravel, Wm. H. Dall, collector, 15 specimens; Cat. No. 12336, 

 Coal station, near cape Lisburne, Alaska, beach after, a four day's northwest 

 gale, September 11-15, 1885, Henry D. Wolfe, collector, 2 specimens; Cat. 

 No. 20423, Chamisso harbour, Kotzebue sound, Alaska, 5-8 fathoms, sand, 

 Wm. H. Dall, collector, 6 specimens; Cat. No. ,43211, Norton sound, Alaska, 

 E. W. Nelson, collector, 1 specimen; Cat. No. 5161, St. Michaels, Alaska, 

 August or September, 1877, E. W. Nelson, collector, 1 specimen; Cat. No. 3274, 

 St. Michaels, Alaska, "common along the beach," summers 1874-1875, L. M. 

 Turner, collector, 11 specimens; Cat. No. 4645, off the mouth of the Yukon 

 river, 3}^ fathoms, June, 1877, E. W. Nelson, collector, 2 specimens; Cat. No. 

 6278, Bristol bay, Alaska, September 27, 1883, C. L. McKay, collector, 4 

 specimens; Cat. No. 20424, port Moller, Bering sea, beach to 15 fathoms, Wm. 

 H. Dall, collector, Orig. No. 1181, 2 specimens; Cat. No. 20426, Alaskan 

 collection of Wm. H. Dall, 1 very large specimen; Cat. No. 20422, lat. N. 48° 

 29' 00", long. W. 124° 55' 00", off British Columbia, Station 3230, U. S. Bureau 

 of Fisheries steamer Albatross collector, 53 fathoms, 10 plus specimens; Cat. 

 No. 22617, Pacific Grove, California, J. 0. Snyder, collector, July, 1895, 3 

 specimens. 



Asia: 



Cat. No. 39300, Petropavlovsk, Avatcha bay, Kamchatka, U. S. Bureau 

 of Fisheries steamer Albatross, collector, 1906, 1 specimen. 



Europe: 



Cat. No. 17242, Kara sea, steamer Dijmphna, 1882-1883, received from the 

 Royal Zoological Museum, Copenhagen, 3 specimens; Cat. No. 3231, Baltic 

 sea, 5 specimens; Cat. No. 3303, Kielerbucht, Germany, 2 specimens. 



