N 



NTS. 



A 



Eiilogf/ on the lion, James Bowdoin, E^q. l. l. d. 



Me President 



iJic Amcr 



Academy of Arts and Si 



JVho died at Boston, Novemler 6, A. D. i790. Ddi 



Wi 



iJie Society, January 26 



1791 



By John Lowell 



"tf the Counsellors of the Academy 



MATHEMATICAL and 



ASTRONOMICAL PAPERS. 



Payt, 



I. Geometrical Methods 



finding any rcqinrcd Ser 



Mean Broportionah letween given Extremes. By James 



WiNTHKOP, Esq. F. A. a. 



11. A Ride for Trisecting Angl 



Ihj. By J 



WiNTHROP, Esq 



III. Rules 



Tngonomctry 



Resolving two Cases in Oblique Spherical 



By 



Teacher of Navigation 



William 



Crosswell 



A. 



M. 



IV. Ohse) 



an A?midar Eclin 



the S 



at 



Camlridge, April Sd, 1 

 A. M. F. 1. A. Hollis Profi 



91 



By Samuel Webber 



of MathemaiiclLS and Phi- 



losophy in the University at Camlridg 



V. Observations 



the Transit of Mercury over the Sun 



Disc, 



Will 



November 6th 



1789 



By the Rev 



Joseph 



D. D. President 



the University, and Vice 



President of the American Academy of A) 



and Sciences 



PHYSICAL PAPERS. 



I. Observations on PnsmaticJc Cohurs. By Dr. Samuel 



Tenney, of Exeter, f. a. a 



IL An 



9 



14 



18 



20 



92 



37 



0- 



:f 



I 



4 



