36 Afoll 
MOLLUSCA. 
Cyclostomus calcareus (Soav.) extinct in Mozambique ; Gibbons, J. of 
Conch, ii. p. 145. 
Partula destroyed at Raiatea Island ; H. D. Hartman, Science News, 
i. p. 127. 
Helix alternata (Say) and elevata (Say) have apparently died out 
entirely near Ann Arbor, Michigan ; AValker, J. of Conch, ii. pp. 328 
& 329. 
Destruction of shell-fish by sea-birds, and general diminution of both, 
observed in Morecambe Bay and in the estuary of the Duddon by W. A. 
Durnford, Zool. (3) ii. [1878] pp. 223-225. 
Use by Man. 
Note on the utility and noxiousness to man of various North American 
Mollusca, from W. Dali’s Catalogue of the Mollusca in the Philadelphia 
Exposition, by Kobelt, Nadir, mal. Ges. 1879, pp. 52-55. 
18 species of marine shells found in the remains of ancient Troy by 
Virchow and Schliemann ; most of them are edible. Murex tnmculas 
and Purpura hccmastoma were, perhaps, used for dyeing. E. v. Martens, 
SB. nat. Fr. 1879, pp. 89-93. 
List of shells (used as ornaments or edible) found at Pompeii, 36 
marine and 4 terrestrial species still living near Naples, and 4 exotic 
marine species, Cyproia pantherina Viudi erosa, Conus textilis^ uudi Meleagrina 
margaritifera ; N. Tiberi, Bull. Soc. mal. Ital. v. pp. 139-151. Abstract 
by J. G. Jeffreys in Nature, xx. p. 624. 
Two instances of former authors mentioning Pompeian shells by A. 
de Monterosato, Bull. Soc. mal. Ital. v. pp. 201-203 [to which may be 
added that by the Recorder in Mal. Bl. 1857, p. 139] ; abstract in J. R. 
Micr. Soc. ii. p. 861. 
Purpura lapillus and Helix aspersa in the refuse heaps of the ancient 
British town of Cissbury, in Sussex j B. Holgate, J. of Conch, ii. p. 286. 
Anodonta agricolarum eaten by peasants in China ; Heude, Conchyl. 
fluv. de Nanking, fasc. v. pi. xxxix. 
Mounds along the Gulf Coast of North America, containing chiefly 
Rangia cyrenoides (Desm.) = Gnathodon cuneatus (Gray) ; Calkins, P. 
Davenp. Ac. ii. p. 347. 
. Pieces of shells from graves of the aborigines in California, Dentaliumj 
Olivella biplicata, and Flaliotis ; E. V. Martens, SB. nat. Fr. 1879, p. 99. 
Shells from kitchen-middens in Costa Rica, collected by Messrs. Flint 
and Bransford ; Dale, P. U. S. Nat. Mus. 1878, pp. 23 & 24. 
Collecting. 
D. Dupuy has published a paper on collecting land and freshwater 
shells, recommending the use of a brush and an umbrella. Bull. Soc. 
Toulouse, 1878. 
Note on collecting small shells, marine or freshwater and terrestrial, in 
