A. E. Verrill — Molliisca of the New England Coast, 2 '2 5 

 Tellimya ferruginosa (Mont.) 



Mya ferruginosa Montague, Test. Brit., p. 44, pi. 26, fig. 5. 



Tellimya ferruginosa G. O. Sars, Moll. Reg. Arct. Norvegite, p. 10, pi. 20, figs. lo-c. 



Plate XXX, figure 13. 



This species was taken living, in considerable numbers and on 

 several occasions, at and just below low water mark, in sand and 

 mud, at the Gutters, on Naushon Island, near Wood's Holl, August, 

 1883, by the Fish Commission parties. It bad not previously been 

 definitely determined as inhabiting the American coast. 



On the European coast it occurs from the Gulf of Lyons to north- 

 ern Norway, at Lofoten and West Finmark, and from 7 to 85 fathoms 

 in depth. It has also been found in the Coralline Crag in England, 

 and in the Post-glacial deposits. 



The animal is active and opens freely and widely. It often lies 

 for a long time on the back with tlie valves gaping widely, the foot 

 more or less extended and twisting about, and the elegantly frilled 

 mantle edge broadly exjjanded and extending considerably beyond 

 tlie edge of the shell, all around. Animal translucent white. The 

 foot is long, ligulate, very flexible, in full extension longer than the 

 shell, in partial contraction broad at base with a long groove on the 

 edge and an ill-detined white stripe in the center. It can be flattened 

 out so as to be used as a creeping foot. The foot issues from the 

 middle of the ventral edge of the shell. Mantle with the outer edge 

 broad and delicately frilled and undulated and with small papillae. 

 It projects all around the edge of the shell, except close to the 

 hinge. Ventral opening for the foot long, and large, bordered with 

 small papillse. Posteriorly a pouch-like lobe of the mantle often 

 protrudes below the anal opening, which is widely separated from the 

 ventral slit ; it is a simple opening of the mantle, often a little promi- 

 nent, but more often not at all so. Several (7 or 8) large and small 

 ones lived several days in confinement. 



Montacuta tumidula Jeff"reys. 



Jeffreys, Brit. Conch., vol. v, p. 1*7 1, pi. 100, fig. 5, 1869. 



G. 0. Sars, Mol. Reg. Arct. Norvegiaj, p. 69, pi. 19, figs. 18a-b. 



Station 2103, off Delaware Bay, in 1091 fathoms; and station 

 2115, oif Cape Hatteras, in 843 fathoms, one specimen (No. 38,190). 



Off Lofoten, 100-120 fathoms ; off Hebrides and Shetland, 40-80 

 fathoms ; Mediterranean. 



