XXIV LIST OP AUTHORITIES. 



Penn. Brit. Zool. 



Pennant's British Zoology. Vol. iv. London, 1777. 

 In King's College Library. 



Rang. Man. des Moll. 



Manuel de l'Histoire Naturelle des Mollusques et de leurs 

 Coquilles. Par M. Sander Rang, Officier au Corps Royal de la 

 Marine. Paris, 1829. 12mo. 



In King's College Library. 



Risso, Eur. Mend. 



Histoire Naturelle des Principales Productions de l'Europe 

 Meridionale, et particulierement de eelles des Environs de Nice et 

 des Alpes Maritimes; par A. Risso, Ancieu Professeur des Sciences 

 Physiques et Nature-lies au Lycee de Nice, &c. A Paris. 8vo. 

 Tome Quatrierne, 1826. Avec Planches 12. 



In King's College Library. 



Turt. Brit. Biv., and Conch. Diet. 



Conchylia Insularurn Britannicarum. The Shells of the British 

 Islands systematically arranged. By W. Turton, M.D. Exeter, 

 1822. 4to. 20 Plates. 



It contains the Bivalves only, treated as Shells, without reference 

 to the Animals, the "connexion" of these subjects being, he says, 

 " unnecessary if it were possible, and impossible if it were neces- 

 sary." The descriptions are good, and the figures very beautiful 

 and accurate. 



Conchological Dictionary of the British Islands. London, 

 1819. 12mo. 



Walker, Test. Min. Bar. 



Testacea Minuta Rariora, nuperrime detecta in Arena Littoris 

 Sandvicensis; A Gul. Boys, Arm S.A.S. Multa addidit, et omnium 

 Figuras ope. Microscopii ampliatas accurate delineavit Geo. Walker. 

 London, 1784. 4to. 



The figures seldom very accurate, the descriptions too brief, and 

 imperfect. 



