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DP AER E II. 
PLY SLC A Se PAP Bice, 
I. Odfervations upon an Hypothefis for folving the Phenomena 
of Light: with incidental Obfervations, tending to fhew 
the Heterogeneoufne/s of Light, and of the eleciric Fluid, Y 
their Intermixture, or Unten, with each other. 
By JAMES BOWDOIN, Efquire, 
 Prefident of the American Academy of Arts and Sciences. 
YN reviewing fome letters I had written to a philofophical 
friend, Dr. Franklin, there occurred on the fubje& of one 
of them fome obfervations, which appeared to me new. They 
are principally contained in the two Jaft of three aom 
which I fhall lay before tbe: Academy :- to whofe ju 
it will be fabmitted, whethe 4 hey Mts ae ding tie he 
novelty to recommend them: 
a AS they were occafioned by sof Giterings De F sarsi que- 
ries cóncerning light, the ftrictures on thofe queries, as being 
inttodu&tory to the MCA p make a Vit: of thefe 
memoirs. 
The firft memoir will VADE contain à few ftrictares, 
or curfory remarks, on his hypothefis for folving the pheno- 
mena of light : with incidental obfervations concerning the 
alle of light, and the electric fluid, | 
Z 2 cats «t 
