PROCEEDINGS Ol Till; (JKOLOGICAL SOCIETY. I75 



3. "Notes on the Geology of the Tonga Islands." hy J. J. 

 Lister, Esq., M.A. (Commuuicated by J. E. ^larr, Esq., M.A., 

 F.R.S., Scc.G.S.) 



4. *' Ou the Inverness Earthciuakes of November loth to De- 

 cember 14th, 1800.*' By C. Davison, Estj., M.A. (Communicated 

 by Prof. Charles Lapvvorth, EL.D., E.II.IS., F.G.S.) 



The following specimens were exhibited : — 



Rock-specimens and microscopic sections, exhibited by Frank 

 Rutley, Esq., F.G.8., in illustration of his paper. 



Hock-specimen and microscopic sections, exhibited by J. J. 

 Lister, Esq., in illustration of his paper. 



Specimens of Flint, Agate. &:c., exhibited by E. Charlesworth, 

 Esq., F.G.S. 



Two specimens of the distal end of the left quadrate bone of a 

 Pterodactyl discovered in the Cretaceous Formation near Bahia, 

 Brazil, by Joseph Mawson, Esq., F.G.S., exhibited by A. Smith 

 Woodward, Esq., F.G.S. 



VOL. XLVir. 



