Diastylis polita Smith 1879

Diastylis polita Smith

Diastylis polita Smith, 1879:108–111.—Calman, 1912:655–657, figs. 79, 80.

MATERIAL EXAMINED.—St. Johns, Newfoundland, 1885, electric light, 1 adult female, 7 adult males. Gloucester, 8 fms, 1 Aug 1878, Steamer Speedwell Sta 145, 3 adult males. Gloucester, 1878, U.S. Fish. Comm., 1 female. Gloucester Harbor, Mass., 8.5 fms, 1 Aug 1878, Speedwell Sta 141, 1 female and 1 male. Vineyard Sound, Mass., surface, 28 Jan 1876, V. N. Edwards, 1 male. Vineyard Sound, Mass. 13 fms, 3 Sep 1880, Fish Hawk Sta 863, 2 adult females, 1 adult male. Vineyard Sound, Mass., 16 fms, 29 Aug 1887, Fish Hawk Sta 1231, 2 females, 2 males. Narragansett Bay, R.I., 9.5 fms, 23 Aug 1880, Fish Hawk Sta 818, 12 females, 10 adults; 3 males, 2 adults. 36°46′N, 75°38′W, 18 m, 20 Jan 1914, Bache Sta 10157, 11 females, 1 adult; 1 male.

EARLIER RECORDS IN THE REGION.—Vineyard Sound, surface; Gloucester, Mass., 7–10 fms, sand and red algae; Casco Bay, 9 fms, sand and mud, also at other depths; surface, evening. Trenton Bay, Maine; Halifax, 18–20 fms, fine sand, stones, and red algae; 120 miles S of Halifax, 190 fms, gravel and pebbles; Northumberland Straits, Gulf of St. Lawrence (Smith, 1879). Off Halifax, 6.5 fms; Halifax Harbor, 18 fms; La Have Islands, Nova Scotia, 6 fms, fine mud; Gloucester Harbor, 8–9 fms; off Plymouth, 7 fms; Woods Hole, Mass. surface; Narragansett Bay, 8.5–10 fms; Block Island Sound, 18.5 fms (Calman, 1912). Woods Hole region, plankton (Fish, 1925) Woods Hole, surface (Zimmer, 1930). Not recorded from other regions.

southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley), Magdalen Islands (from Eastern Bradelle valley to the west, as far as Cape North, including the Cape Breton Channel); Prince Edward Island (from the northern tip of Miscou Island, N.B. to Cape Breton Island south of Cheticamp, including the Northumberland Strait and Georges Bay to the Canso Strait causeway)

infralittoral and circalittoral of the Gulf and estuary