THE 



QUARTERLY JOURNAL 



OF 



THE GEOLOGICAL SOCIETY OF LONDON. 



PROCEEDINGS 



OF 



THE GEOLOGICAL SOCIETY. 



November 1, 1848. 



Douglas Galton, Esq., Lieut. R.E., was elected a Fellow of the 

 Society. 



The following communications were read : — 



1. On the supposed impression in Shale of the soft parts of an Or- 

 THOCERAS. By James Hall, F.M.G.S., State Geologist of New 

 York. (Communicated by Sir Roderick I. Murchison, to whom 

 the notice was sent in a letter dated Feb. 8, 1848, and whose ab- 

 sence from England prevented its being read last session.) 



Having read, in the Quarterly Journal of the Geological Society for 

 August 1847, a letter from J. G. Anthony of Cincinnati, Ohio, to 

 C. Lyell, Esq., V.P.G.S. London, ^^ on an impression of the soft 

 parts of an Orthoceras,^' it occurred to me that the accompanying 

 remarks and illustrations might not be uninteresting to the Society, 

 and at the same time, perhaps, help towards a rational opinion rela- 

 tive to such bodies as are there described. 



It has long been a favourite theory with some naturalists that the 

 fossil Orthocerata are internal shells, of which the external soft parts 

 have perished ; but no person, I believe, until the present time, has 



VOL. v. — PART I. I 



