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DR. GWYN JEFFREYS ON THE MOLLUSCA OF THE [Nov. 14, 
. 403. Terebratula vitrea. Very fine specimens were taken from 
214 fms. during the Italian exploration of the Medi- 
terranean 1881 ; one of them was an inch and six tenths 
long. An oblong variety occurred in 841 fms., and 
the variety sphenotdea in 217 fms. The inside ribs of 
the upper or deeper valve are sometimes visible on the 
outside, owing to the semitransparency of the shell. 
Var. sphenoidea. Bay of Biscay (‘Travailleur’ Exp., 
1881) ; 5783 fms. 
. 405. Terebratula cranium. Bay of Biscay (‘ Travailleur’ 
Exp., 1881); 212 fms. 
. 407. Terebratula septata. West coast of Norway (Norman) ; 
58-200 fms. Bay of Biscay (‘Travailleur’ Exp., 
1881); 512fms. G. Marseilles (‘ Travailleur’ Exp., 
1881) ;-301 fms. Var. floridana, N. Spain (‘ Tra- 
vailleur’ Exp. 1882); 731 fms. 
. 411. Megerlia truncata, var. monstruosa. Bay of Biscay 
(‘ Travailleur’ Exp. 1881); 5783 fms. Off Ajaccio 
(same Exped.) ; 303 fms. 
. 413. Rhynchonella sicula. Bay of Biscay (‘ Travailleur’ Exp., 
1881); 578L fms. A valve and small living spe- 
cimen. 
415. Discina atlantica. Bay of Biscay (‘Travailleur’ Exp., 
1881); 1791 fms. 
Part IL, 2. Z.8. 1879 :— 
556. Spondylus jussoni. Azores (‘ Josephine’ Exp.); 200- 
300 fms. 
Pecten pusio, ©. Verd I. (de Rochebrune). 
557. Pecten pes-lutre. Bay of Biscay (‘ Travailleur’ Exp., 
1881); 212 fms. Gigantic valves. 
5,  Pecten sulcatus. Between the Hebrides and Faroes 
(‘Triton’ cruise, 1882); 530 fms., living. C. Verd I. 
(de Rochebrune). 
. 559. Pecten striatus. Adriatic (Brusina). 
. 560. Pecten groenlandicus. Between Gibraltar and Azores 
(‘ Josephine’ Exp.) ; 550 fms. 
561. Pecten vitreus. Between Gibraltar and the Azores 
(‘ Josephine’ Exp.) ; 790 fms. 
»  Amussium fenestratum. New England coast (Verrill) ; 
100 fms.! Sculpture of American specimens finer and 
closer than in European specimens. 
. 562. Amussium hoskynsi. W. Mediterranean (Italian Exp., 
1881) ; 214-609 fms. Between Hebrides and Faroes 
(« Triton’ cruise); 570 fms. Fossil. Pliocene : Ca- 
labria (Seguenza, as Pleuronectia differens) ! 
Amussium lucidum. N. Spain (‘Travailleur’ Exp. 1882); 
1025 fins. Between Gibraltar and Azores (‘ Jose- 
phine’ Exp.) : 550 fms. Fossil. Pliocene: Monte 
Mario. 
