The C O N T E N T S. 
V. An Account of a Boof, entituled Jo. Ph. 
Breynij, M. D. &c. DiiTertatio Phyfica 
de Bolythalamiis, nova Teftaceorum clafle, 
&c. Gedani, 1732, 4^, or aBhyfical Differ- 
tation of a new Claji of Shells , whicb~he jliles 
Polythalamiums, tsrc. with fourteen Copper 
< Plates . By Richard-Middleton Maffey, 
M. 2 ). F. R. S. and Hon. F. C. Med. Lond. 
VI. An Account of a Book, entituled, Ofteogra- 
pliia, or, the Anatomy of the Bones, ©^Wil- 
liam Chefelden, Surgeon to her Majefty, 
F. Be S. Surgeon to St. Thomas^ Hofpital d 
and Member of the (Royal Academy of Sur- 
gery at Paris. By John Belchier, Surgeon, 
F.R.S. 
I. HER- 
