950 DR. GWYN JEFFREYS ON THE MOLLUSCA OF THE [NoV. 29, 



P. 562. Amussium hoskynsi. North Sea ; 106 fms. N. Spain and 

 off Marseilles ('Travailleur ' Exp., 1881), 295 fms.; 

 New England {Verrill), 86 fms. Syn. Pecien mammil- 

 latus, M. Sars, Pleuronectia dissitnilis, Seguenza. 

 „ Amussium lucidum. Bay of Biscay (' Travailleur ' Exp.), 

 600-733 fms. ; Caribbean Sea and G. Mexico (' Blake ' 

 Exp.), 13-805 fms. 

 „ Lima sarsii. North Sea; 135-217 fms. Fossil, Mio- 

 cene and Pliocene : Calabria. 

 P. 563. Lima elliptica. Bay of Biscay ('Travailleur ' Exp.), 536- 

 600 fms. ; G. Mexico, 169 fms. 

 „ Lima suhovata. New England, 255-500 fms. 

 P. 564. Lhna Mans. Fossil. Add Calabria. 



„ Lima excavata. Fossil. Add Calabria. 

 P. 565. Avicula hirundo, var. ? New England, 65-192 fms. 



„ Mytilus edulis. Black Sea. Fossil (var. ungulata). 

 Post-tertiary : Calabria. 

 P. 566. Mytilus adiiaticus. Black Sea ; Jersey, living between 



tide-marks. 

 P. 567. Mytilus harbatus. Fossil. Post-tertiary: Calabria. 



„ Mytilus phaseolinus. For 3000 read 300 fms. 

 P. 568. Modiolaria marmorata. Bay of Biscay (' Travailleur ' 

 Exp.), 591 fms. ; Firth of Forth, living at low water. 

 „ Modiolaria discors. Fossil. PHocene and Post-tertiary: 



Calabria. 

 „ 3Iodiolaria sulclavata. Bay of Biscay ('Travailleur' 

 Exp.); 591 fms. Fossil. Pliocene: Calabria. 

 P. 569. Crenella decussata. Barbadoes (' Blake ' Exp.) ; 100 fms. 

 Specimen from Queen-Charlotte Islands measuring nearly 

 twice the usual size. 

 „ Bacrydium vitreum. Bay of Biscay ('Travailleur' Exp.), 

 1011 fms. 

 P. 570. Area harhata. Fossil. Post-tertiary : Calabria. 



„ Area lactea. Bay of Biscay (' Travailleur ' Exp.), 628 

 fms. ; Bermuda. 

 P. 571. Area noce. Fossil. Post-tertiary: Calabria. 



„ Area antiquata. Fossil. Post-tertiary : Calabria. 

 P. 572. Area ohliqua. Fossil. Post-tertiary: Calabria. 



„ Area glaeialis. Bareutz Sea, 128 fms. ; New England, 

 southern coast, 85-500 fms. Professor Verrill con- 

 siders A. peetunculdides a variety of the present species. 

 „ Area peetunculdides. New England, southern coast, 85- 

 225 fms. ; G. Mexico ('Blake' Exp.), 400-1568 fms. 

 P. 573. Var. septentrionalis. Novaya Semblia, 210 fms. ; Bay of 

 Biscay ('Travailleur' Exp.), 552-733 fms. Fossil. 

 Miocene : Calabria {Seg.). 

 P. 574. Leda pernula. Barentz Sea, 128 fms. 



„ Leda minufa. 'Lightning' Exp. St. 5. 

 P. 575. Leda fragilis. Fossil. Post-tertiary : Calabria. 

 „ Leda pella. Fossil. Post-tertiary : Calabria. 



