vi CONTENTS. 
Essay on the Beautiful in the Human Form ; 
and Enquiry whether the Grecian Statues pre- 
sent the most perfect Beauty of Form, that we 
at present have any Acquaintance with.—Com- 
municated to the Society from a Correspon- 
dent, through the Rev. George Walker. p. 407 
A Defence of Learning and the Arts, against 
some charges of Rousseau. Intwo Essays. By 
the Rev. George Walker, F.R, S.. -ves+ p- 438 
Observations on the Nervous Systems of dif- 
ferent Animals; on Original Defects in the 
Nervous System of the Human Species and 
their Influence on Sensation and Voluntary 
Motion. By John Hull, M. D. ....+-+- p. 475 
Experiments and Observations on the Heat 
and Cold produced by the Mechanical conden- 
sation and rarefaction of Air. By Mr. John 
Dal tam, <cxi-stewojidas thn nlatteecs Onc mdtgansbiddnda Pp: 515 
Account of some Antiques lately found in the 
River Ribble. By Mr. Thomas Barritt. p. 527 
Experimental Essays, on the Constitution of 
mixed Gases; on the Force of Steam or Va- 
pour from Water and other Liquids in different 
temperatures, both an a Torriceliian Vacuum 
