Vol. 66, Philosophical Magazine. JDec^ 182o. 



Contents of Number 332. 



LXIII. On the Anatomy of the Mole-cricket. By J. Kidd, M.t). 

 and F.R.S. Reg. Prof, of Medicine in th^ University of Oxford. . pa^ 40^ 



LXIV. On the Theory of the Figure of the Planets contained in 

 the Third Book of the MScanique Celeste. By J. Ivory, Esq. M.A, 

 F.R.S. (To be continued') *29 



LXV. Report of the Transactions of the Acadeiay of Natural 

 / Sciences of Philadelphia during the Year 1824 ; submitted by the Re- 

 cording Secretary, m pursuance of a Resolution of the Academy. . 439 



LXVI, On the unequal Evolution of Heat in the Prismatic Spec- 

 trum. By Dr. T. J. Seebec* **' 



LXVII. Strictures by Robert Hare> M.D. Professor of Che- 

 mistry, &c.&^., upon Professor Vanuxem's Memoir on Plumbago,. 

 Anthracite, Fused Carbon, Ac, published in the Journal of the 

 Academy of Natural Sciences of Philadelphia for June 1825 45; 



LXVIII. Remarks on Mr. Burns's Reply on the Double Altitude 

 Problem. By E. Riddle, Esq *5^ 



LXIX. Notices respecting New Books *5< 



LXX, Proceedings of Learned Societies :— Royal Society; Lin- 

 naean Society; Geological Society; Astronomical Society ; Royal , 

 Academy of Sciences of Paris 460—47 



LXXI. Intelligence and Mvcellaneous Articles :— Obituary -. 

 Samuel Parkes, Esq. i* List of New Patents; Meteorological Table ; 

 Index ■-. *71-47 



*** CommunicationB for this Work, post-paid, addressed to the Editor, 

 28 Shoe-Lane, will meet with every attention. 



KICHARD TATtOB, FRINXER, SHOE-LANE, LONDON. 



