IJeiu Pu'bUcai'ions. ' ■ ^6f 



from various Bodies. By Nathaniel Hume, M.D. F.R.S. 

 and A.S. — lo. Account of a StTies of Experiments under- 

 taken with a View of decompofing the Muriatic Acid. By- 

 Mr. William Henry. — ii. On a new Fulminating Mercury, 

 By Edward Howard, Efq. F.R.S. — Appendix. Meteorolo- 

 logical Journal kept at the apartments of the Royal Society, 

 by order of the Prefident and Council. 



The Second Part contains : 12. On double Images caufed 

 by atmofpherical Refratlion. By William Hyde Wollaftcn, 

 M.D. F.R.S. — 13. Inveftigatlon of the Powers of the prif- 

 nittic Colours to Hoat and Illuminate Objects; with Re- 

 marks that prove the different Refrangibility of radiant Heat. 

 To which is added, an Inquiry into the Method of viewing 

 the Sun advantagerufly with Telefcopes of laree Apertures 

 and high magn'fying Powers. By William Herfchel, LL.D. 

 F.R.S. — 14. Experiments on the Refrano;ibility of the invi- 

 fible Rays of the Sun. By William Herfchel, LL.D. F.R.S. 

 — 15. Experiments on the fular and on the terreftrial Rays 

 that occafion Heat; with a comparative View of the Laws 

 tJ) which Light and Heat, or rather the Rays which occafion 

 them, are fubjeft, in order to determine whether they are 

 the Hrme, or different. By William Htrfchel, LL.D. F.R.S. 

 — Chemical Experiments on Zoophytes; with fome Obferv- 

 ations on the component Parts of Membrane. By Charles 

 Hatchett, Efq. F.R.S. — 17 On the Eleftricity excited by 

 the mere cnntaft of conducting Subftances of di"fferent Kinds. 

 In a Letter from Mr. Alexander Vo!ta, F.R.S. ProfcfTor of 

 Natural Philofophy in the Univerfity of Pavia, to the Right 

 Hoii. Sir Jofeph Banks, Bart. K.B.'P.R.S.— 18. Some Ob- 

 lervatious on the Head of the Ornithorhynchus paradoxus. 

 By Everard Home, Efq. F.R.S. 



INTEL- 



