564 DR. GWYN JEFFREYS ON THE MOLLTJSCA OF THE [June 17, 



4. Lima subauriculata, Montagu. 



Pecten subauriculata, Mont. Test. Brit. Suppl. p. 63, t. 29. f. 2. 



Lima subauriculata, B. C. ii. p. 82; v. p. 169, pi. xxv. f. 3. 



'Lightning' Exp.: St. 2, 5, 6, 7. 



'Porcupine' Exp. 1869: St. 14, 23a, 62. 1870: Atl. 2, 9, off 

 C. Sagres, 26-30, 36, Tangier B. ; Med. 55, off Rinaldo's Chair. 



Distribution. Wellington Channel, Davis Strait, Novaya Zemblia, 

 Iceland to Gibraltar, Mediterranean, Adriatic, iEgean, Canary Isles, 

 Labrador to Sable I., and W. coast of N. America ; 10-1785 fms. 



Fossil. Pliocene and Post-tertiary. Norway, Coralline Crag, Bel- 

 gium, Vienna Basin, Italy, and Rhodes ; 0-80 ft. 



Synonyms. L. sulcata (Leach), Moller ; L. elonyata, Forbes ; 

 L. sulculus (Leach), Loven ; L. unicostata, Leach, and L. nivea 

 (Renier), Philippi. Forbes has both L. subauriculata and L. elon- 

 yata in his Report on iEgean Invertebrata, giving 15-30 fms. as the 

 range of depth for the former species, and 55-110 fms. for the 

 latter. 



B. Shell inequilateral, more or less gaping or open at the sides. 



Mantellum. 



5. Lima loscombii, G. B. Sowerby. 



Lima loscombii, Sow., Gen. Sh. (Lima), f. 4 : B. C. ii. p. 85, pi. ii. 

 f. 2, 2 a ; v. p. 178, pi. xxv. f. 4. 



' Porcupine ' Exp. 1869 : St. 6, Galway B., 68. 1870 : Atl. Vigo 

 B., 31-34, Tangier B. ; Med. 55, Benzert Road. 



Distribution. Loffoden Isles to the Adriatic and iEgean, Tene- 

 riffe ; 5-205 fms. 



Fossil. Pliocene and Post-tertiary. Norway, Red and Coralline 

 Crag, Belgium, Italy, Rhodes; 0-240 ft. 



6. Lima hians, Gmelin. 



Osfrea hians, Gmel., L. S. N. ed. xiii. p. 3332. 

 L. hians, B. C. ii. p. 87 ; v. p. 170, pi. xxv. f. 5. 

 'Porcupine' Exp. 1870: Atl. St. Vigo B., 36. 

 Distribution. Loffoden Isles to the Morea, Adriatic, Mogador, 

 Madeira, Canaries, and Azores; 0-110 fms. 



Fossil. Pliocene and Post-tertiary. Coralline Crag, Scotland, Ire- 

 and, Vienna Basin, Sicily, and Rhodes. 



7. Lima excavata, Fabricius. 



Ostrea excavata, Fabr. in Schroter's Naturg. t. ii. p. 117. 



Excavata fabricii, Chemu. Conch. -Cab. t. 68. f. 654. 



' Lightning' Exp., St. 5. A hinge and part of the valves, quite 

 fresh and united by the cartilage. Perhaps taken by a fish on the 

 Norwegian coast, and carried out to sea. 



' Porcupine' Exp. 1870 : Atl. St. 22, 24, 25. Fragments of old 

 and young specimens. Semifossil ? 



Distribution. Scandinavia, from Finmark to Bohuslan. ' Chal- 



