p. 399.2 Vitrina limpida, Gould— Lake Superior ill-distinguished from the British sp. See also. V. Angelicæ of Greenland.
Marine shells of New England ill-distinguishable from British p. 358.
Psammobia fusca = Tellina solidula var?
———— sordida = calcaria?
Cryptodon flexuosus Brit. = C. Gouldii, Phil. of Greenland & US.
Lima sulcata, Leach of Arctic seas & US probably same as L: subauriculata Mont.
Terebratulina caput-serpentis Brit = T. septentrionalis, Couth. Mass.
Cancellaria buccinoides, Couth. Mass. = C. viridula, Müll. Norway.
Trichotropis conica, Möll Greenland = var. of T. Borealis Brit.
Please cite as “DCP-LETT-1807,” in Ɛpsilon: The Charles Darwin Collection accessed on