126 THE ELEMENTS 



cipales, la Conchyliogie/ Paris 1757, 

 4to. The same in an improved state, 

 in 5 vols. 4to. Paris, 1780. 



Francois Michael Recjenfuss's ' Na- 

 tural History of Testacea and Crus- 

 tacea,' Copenhagen, 1758—78, folio. 



Martinets Work on Conchology, 

 with the Continuation of P. H. Chem- 

 nitz, in 10 vols, 4to. published at 

 Nurnberg in 1769, &c. 



Thomas Pennant's British Zoology, 

 vol. 4th. 



E. M. Da Costa's 'Elements of 

 Conchology,' London, 1776, 8vo. 



E. M. Da Costa's ' British Concho- 

 logy,' London, 1778, 4to. 



George Walker's vi'ork ' On Minute 



British Shells,' contains 5 plates, Lon- 

 don, 1784, 4to. 



John Lightfoot's ' Account of some 

 minute British Shells,' Phil. Trans, 

 vol. 76. 



Adams ' Description of minute 



