CONTENTS. 
I. The Croonian Lecture. Experiments and Observations upon 
the Structure of Nerves. By Everard Home, Esq. F.R.S. 
page i 
II. The Bakerian Lecture. Observations upon an unusual hori- 
zontal Refraction of the Air ; with Remarks on the Varia- 
tions to which the lower Parts of the Atmosphere are sometimes 
subject. By the Rev. S. Vince, A. M. F. R. S. and Plumian 
Professor of Astronomy and experimental Philosophy , in the 
University of Cambridge. p. 13 
III. Abstract of a Register of the Barometer , Thermometer , 
and Rain, at Lyndon, in Rutland, 17 97. With some Remarks 
on the Recovery of injured Trees. By Thomas Barker, Esq. 
Communicated by Mr. Timothy Lane, F. R. S. p. 24 
IV. Some Additions to a Paper , read in 1790, on the Subject of a 
Child with a double Head. By Everard Home, Esq. F. R. S. 
p. 28 
V. Observations on the Manners, Habits , and Natural History, of 
the Elephant. By John Corse, Esq. Communicated by the 
Right Hon. Sir Joseph Banks, Bart. K. B. P. R. S. p. 31 
VI. On the Decomposition of the Acid of Borax or Sedative Salt. 
By Lawrence de Crell, M. D. F. R. S. Lond. and Edinb. 
and M. R. I. A. Translated from the German. p. 56 
