ON BRITISH MOLLUSCA. 
307 
Thomas Pennant. British Zoology, 4th edit. 4. vols. 8vo. 
1776, 1777. 
J. Petiver. Musei Petiveriani, &c. London, 1695, 1703. 
Gazophylacei Naturse, &c. London, 1702, 1711. 
Opera Omnia. 2 vols. fol. London, 1764. 
i?. Plot. Natural History of Staffordshire. Fol. Oxford, 1686. 
Natural History of Oxfordshire. Fol. Oxford, 1676. 
F. L. F. PoTiEZ and A. L. G. Michaud. Galerie des Mol- 
lusques du Museum de Douai. 8vo. Paris, 1838. 
Figures of some Irish Shells sent by Mr. Thompson from 
Belfast. 
Ch, Prentice. Note on Clausilia Morteileti. Ann, and Mag. 
N. H. xvii. 442. 1856. 
R . PuLTENEY. Catalogue of the Birds, Shells, &c. of Dorset- 
shire, in Hutchinses History. Fol. London, 1799. Edited 
by Mr. Backet, fol. London, 1813. 
R . Beading. A Letter concerning Pearl-Fishing in the 
North of Ireland. Phil. Trans, xvii. 659. 
— Biley. An Index to the British Land and Fresh-water 
Shells, according to Gray. 8vo. Nottingham, 1840. 
J. Butty. Essay towards a Natural History of the County 
Dublin. 2 vols. 8vo. Dublin, 1772. 
A. Schmidt. Description of a New Species of Clausilia from 
Cheltenham. Ann. and Mag. N. H. xvii. 10. 1856. 
A. F. Sheppard. Land and Fresh-water Mollusca of Fulham. 
Zool. ix. 3120. 
Revett Sheppard. Description of Seven New Species of 
Land and Fresh-water Shells ; List of such found in the 
County of Suffolk. Linn. Trans, xvi. (1825) 148. 
On Two New British Species of Mytilus. Linn. Trans, xiii. 
(1822) p. 83. 
R. SiBBALD. Scotia Illustrata. Fol. Edinb. 1684. 
An Account of several Shells observed by him in Scotland. 
Phil. Trans, xix. 222. 321. 
