564 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
bergen, Norway, the White Sea, the Siberian Arctic Ocean, Davis 
Straits, and Greenland, etc., as well as on the Danish and German 
■coasts. T. granulatum (Alder), 1863, of the British coast is also 
identical, and T. compressum Redikorzew (1911) from the Japan Sea 
is evidently an allied form. 
T. coriaceum occurs from Labrador and the Gulf of Saint Lawrence, 
and the Banks of Newfoundland to Massachusetts Bay, and is com- 
mon about the Bay of Fundy region, also in Casco Bay. Packard 
(1867) gives the following localities: — Straits of Belle Isle, 40 fathoms, 
hard bottom; Henley Harbor, 10 to 20 fathoms; Chateau Harbor, 
15 fathoms, sand; Bay of Fundy, common. Whiteaves (1901) 
records it from the Gulf of Saint LawTence between Pictou Island and 
Cape Bear, and from 15 miles SSE. of Bonaventure Island, 50 fathoms. 
The usual range in depth appears to be between 10 and 50 fathoms. 
One of the specimens is from 150 fathoms. From the Norwegian 
coast it is recorded from 400 meters (Kiaer, 1893). Whether the 
specimens mentioned by ^"errill (1871a) from extreme low-water mark 
were really this species the writer has not been able to find out. Stony 
or other hard bottoms are most favorable for it. 
The localities of American specimens the writer has examined are 
as follows: 
Station 2466 (N. lat. 45° 29', W. long. 55° 24', 67 fathoms, coral), several 
small specimens. 
Station 2488 (N. lat. 44° 35', W. long. 57° 13' 30", 150 fathoms, sand and 
gravel), one rather large specimen. 
Station 2513 (N. lat. 43° 34', W. long. 63° 56' 30", 134 fathoms, gray ooze), 
one small specimen. 
Station 2432 (N. lat. 43° 04', W. long. 50° 45', 64 fathoms, fine gray sand), 
many specimens, some large attached to shells, etc. 
Eastport, Me., and Bay of Fundy, many specimens, mostly small. 
Station 55B-56B (Cashe's Ledge, 30 to 40 fathoms), one specimen attached 
to stones. 
Station 21 (off Baker's Island, near Salem, Mass., 26 fathoms, hard gravel 
and stones). 
Station 236 (off Cape Ann, Mass., N. lat. 42° 28', W. long. 70° 31', 28 fathoms, 
rocky, coarse sand and pebbles). 
