Post-tertiary Fossils and Recent Mollusca. 237 



Cylichna alba, Brown. 

 Volvaria alba, Brown, 111. Conch. G. B. & I. pi. xxviii. f. 43, 44 (1827). 



St. No. 3 (Feilden). 



Recent and Fossil. See Ann. Nat. Hist., April 1877, 

 p. 333. In the ' Porcupine ' Expedition of 1869 it was 

 dredged between the Hebrides and Faroes in 114fms. ; and in 

 the expedition of 1870 a closely allied species, if more than a 

 variety, came from depths of 227 and 539 fras. in the Bay of 

 Biscay. Arctic Exp., 5| fms. (Feilden). ' 



CCELENTERATA. 



ACTINOZOA. 



I am informed by Dr. Moss that Capt. Feilden found in 

 the raud-bank at Blackclitf Bay several specimens of the 

 corallum or axis of a species of Pennatida, about six inches in 

 length. 



PROTOZOA. 



FORAMINIFERA. 



• Cornuspira foliacea, Philippi. 



Orbis foliaceus, Phil. Faun. Moll. Sic. vol. ii. p. 147, t. xxiv. f. 2o. 



St. No. 3 (Feilden). 



Recent. Catania (Philippi) : N. Atlantic (J. G. J.). 

 Fossil. Palermo (Philippi) : Lincolnshire and Cambridge- 

 shire Fen-clays (Parker and Jones). 



CRYPTOGAMIA. 



Marine Alg^. 



Melohesia polymorphaj Linn^. 



Millejiorn liolymorpha, L. S. N. ed. xii. p. 1285. 



St. No. 12 (Feilden). 



Recent. All the coasts of the N. Atlantic (including 

 Greenland), and probably a much more extensive area of the 

 ocean. 



In connexion with the present communication I would take 

 the opportunity of making a few remarks on Mr. Edgar 

 Smith's list of the recent Mollusca procured by the Naturalists 

 of the Arctic Exriedition. 



