CONTENTS. 
I. An Account of two Rainbows , seen at the same Time , at 
Alverstoke, Hants, July 9, 1792. By the Rev. Dr. Sturges. 
Communicated by William Heberden, M. D. F. R. S. page 1 
II. Description of the double horned Rhinoceros of Sumatra.. By 
Mr. William Bell, Surgeon in the Service of the East India 
Company, at Bencoolen. Communicated by Sir Joseph Banks, 
Bart. P.R.S. p. 3 
III. Description of a Species of Chcetodon, called, by the Malays, 
Ecan bonna. By Mr. William Bell, Surgeon in the Service of 
the East India Company, at Bencoolen. Communicated by Sir 
Joseph Banks, Bart. P. R. S. p. 7 
IV. Account of some Discoveries made by Mr. Galvani, of 
Bologna ; with Experiments and Observations on them. I?i 
two Letters from Mr. Alexander Volta, F. R. S. Professor of 
Natural Philosophy in the University of Pavia, to Mr. Ti- 
berius Cavallo, F. R. S. p. 10 
V. Further Particulars respecting the Observatory at Benares, 
of which an Account, with Plates, is given by Sir Robert 
Barker, in the LXVIIth Vol. of the Philosophical Transactions. 
In a Letter to William Marsden, Esq. F. R. S, from John 
Lloyd Williams, Esq. of Benares. p. 45 
