.4. E. Verrill — Catalogue of Marine Mollusca. 
573 
Yoldia frigida Toreii. 
Toldia frigida Torell, Spitz. Moll., p. 148, pi. 1, fig. 3, 1859. 
G. 0. Sars, Moll. Reg. Arct. Norv., p. 39, pi. 4, figs. 11, a, b. 
Terrill, Airier. Journ. Sci., xx, p. 392, Nov., 1880; Proe. U. S. Nat. Mus., iii, p. 
401, 1881. 
Plate XLTV, figure 2. 
Gulf of Maine, 1873, and Jeffrey’s Ledge, off the coast of Maine, 
in 88 to 92 fathoms, “Bache” 1874. Off Cape Cod, 106 fathoms, 
1879. Off Martha’s Vineyard, stations S80, 894, 943, 947, 997-999, 
in 153 to 365 fathoms. Gulf of St. Lawrence, 200 fathoms! (coll. 
Whiteaves). 
Spitzbergen. Nova Zembla. Lofoten I. to the Mediterranean. 
Northern Japan (t. Jeffreys). 
Area ponder osa Say. 
Area ponderosa Say, Journ. Acad. Nat. Sci. Phil., ii, p. 267, 1822. 
Terrill, Rep. Invert. Anim. Tiueyard Sd., in R“p. U. S. Fish Com., i, p. 692 
(auth. cop., p. 398), 1874. 
Frequently found on the beach at Edgartown, Martha’s Vineyard, 
and on the south side of Long Island, but it has not been found living 
north of Cape llatteras. The beach shells may be from a submerged 
fossiliferous deposit, or it may possibly live in favorable localities, off 
shore. 
Area pectunculoides Scacchi, 1833. 
Jeffreys, Brit. Conch., ii, p. 171 ; v, p. 175, pi. 30, fig. 3. 
Terrill, Amer. Journ. Sci., v. p. 14, 1873. 
G. O. Sars, op. cit., p. 43. 
Area grenophia Risso, 1826 (t. Jeffreys). 
Area glacialis Terrill, Proc. U. S. Nat. Mus., iii, p. 401, 1881 (? non Gray). 
Tariety, grandis Leche. 
fEfversigt Sveuska Exp. Novaja Semlja och Jenissej, 1875, 1876, Hafs-Mollusker, 
in K. Sv. Tet.-Akad. liaudl , xvi, 2 [p. 30], pi. 1, figs. 9, a-c, 1878. 
Variety, septentrionalis (G. O. Sars) Jeffreys. 
Area septenlrioradi'i G, <>. Sars, op. cit., p. 43, pi. 4, figs. 2, a-c , 
