684 DR. GWYN JEFFREYS ON THE MOLLUSCA OF THE [Nov. 1/4, 
. 575. Leda fragilis. New England ( Verrill, as L. unca, Gould) ; 
115 fms. Sea of Marmara (Spratt) ; 20 fms. 
. 576. Leda frigida. Between the Hebrides and Faroes (‘Triton’ 
cruise); 640 fms. 
. 577. Leda tenuis. Between the Hebrides and Faroes (‘'Triton’ 
cruise) ; 640 fms. 
. 578. Leda striolata. Mediterranean (‘ Travailleur’ Exp., 
1881); 221 and 913 fms. Between Gibraltar and 
Azores (‘ Josephine’ Exp.) ; 550 fms. 
» Leda lucida.. Between the Hebrides and Faroes (‘Triton’ 
cruise) ; 516 and 570 fms. 
»» Leda pusio. Mediterranean (‘Travailleur* Exp., 1881) ; 
653 fms. 
P. 579. Leda jeffreysi. Dele Palermo as a locality. 
», Leda subequilatera. Between the Hebrides and Faroes 
(‘ Triton’ cruise) ; 640 fms. 
P. 580. Leda expansa. Between Gibraltar and Azores (‘ Jose- 
phine’ Exp.); 790 fms. 
P. 581. Nucula egeensis. Mediterranean (Italian Exp., 1881); 
1521-1536 fms. Fossil. Miocene: Marne Vaticano 
(Ponzi). N. decipiens of Philippi. Both names bear 
the same date; but the description given by Philippi 
is much more full and precise than that of Forbes ; 
and perhaps decipiens ought to be preferred. 
P. 582. Nucula corbuloides. Between the Hebrides and Faroes 
(‘ Triton’ cruise); 516and 570 fms. Mediterranean 
(Italian Exp., 1881); 1521-1536 fms. 
» Nucula tumidula. Between the Hebrides and Faroes 
(‘ Triton’ cruise); 516 and 570 fms. 
P. 584. Pectunculus nummarius. Fossil. Pliocene: C. Verd I. 
(de Rochebrune). 
P. 585. Limopsis cristata. Between the Hebrides and Faroes 
(‘ Triton’ cruise); 516 and570 fms. Bay of Biscay 
(‘ Travailleur’ Exp., 1881 and 1882); 341-1693 fms. 
Never half the size of ZL. minuta, and different in 
shape, sculpture, dentition, and crenation of the inner 
margin. 
P. 586. Malletia obtusa. Mediterranean (Italian Exp., 1881) ; 
337-464 fms. 
» Malletia cuneata. Mediterranean (Italian Exp., 1881) ; 
337-1536 fms. 
Pos oie ae ta) 
Part III., P. Z. S. June 1881 :— 
P. 695. Lepton lacerum. N. Spain (‘'Travailleur’ Exp. 1882) ; 
282 fms. Fossil. Pliocene: Sicily (Brugnone). 
P. 696. Montacuta ferruginosa. New England (Verrill) ; low 
water. 
P. 698. Montacuta bidentata. New England (Verrill); shore to 
7 fms. 
