CONTENTS. 
VII. 0iV Fairy-rings. By William Hyde Wollaston, M. D. 
Sec. R. S. p. 133 
VIII. Observations on the Structure of the Stomachs of different 
Animals , with a View to elucidate the Process of converting 
animal and vegetable Substances into Chyle. By Everard 
Home, Esq. F.R.S. p. 139 
IX. Experiments for investigating the Cause of the coloured con- 
centric Rings, discovered by Sir Isaac Newton, between two 
Object-glasses laid upon one another . By William Herschel, 
LLD. F.R.S. p. 180 
X. On the Economy of Bees. In a Letter from Thomas Andrew 
Knight, Esq. F. R. S. to the Right Honourable Sir Joseph 
Banks, Bart. K. B. P. R. S. p. 234 
XI. Observations and Measurements of the Planet Vesta. By 
John Jerome Schroeter, F. R. S. p. 245 
XII. A new Eudiometer , accompanied with Experiments , eluci- 
dating its Application. By William Hasledine Pepys, Esq. 
Communicated by Charles Hatchett, Esq. F. R. S. p. 247 
XIII. Observations on the Nature of the new celestial Body dis- 
covered by Dr. Olbers, and of the Comet which was expected to 
appear last January in its return from the Sun. By William 
Herschel, L.L.D. F.R.S. p. 260 
XIV. On the Quantity of Carbon in carbonic Acid, and on the 
Nature of the Diamond. By William Allen, Esq. F. L. S. and 
William Hasledine Pepys, Esq. Communicated by Humphry 
Davy, Esq. Sec. R. S. p. 267 
