■ if 
Statical ESSAYS 
CONTAINING 
H^MASTATICKS; 
OR, 
An Account of fome Hydraulick and 
Hydrostatic AL Experiments made on 
the Blood and Blood-Velfels of Animals. 
ALSO 
An Account of fome Experiments on Scones in the 
Kidneys and Bladder ; with an Enquiry into 
the Nature of thofe anomalous Concretions. 
To which is added, 
An APPENDIX, 
CONTAINING 
O B sE R VAT IONS and Experiments relating 
to feveral Subjedls in the firft Volume. The 
greateft Part of which were read at feveral 
Meetings before the Royal Society. 
With an I N D E X to both V o l u m s. 
VOL. II.' 
l)eftderatur Philofophla Naturalls vera iA aNlva cut 
Medicina Scientm Inedificetur, 
Fran, de Verul. Inftaur. Magna. 
By SrEPHEN HALES, B D. F. R, S. 
Redior of Farnngdon , HafnjJhire^ and 
Minifter of Feddington, Middlejex, 
LONDON: 
Printed for W. Innys and R. Manby, at the Weft- 
End of St. Paid's 
And T. Woodward, at the Half Moon between the 
Temple-Gates, FketJlncU MDCC XXXIII, 
