Vol. 57.] PROCEEDINGS OF THE GEOLOGICAL SOCIETY. Til 



Mr. E. T. Newton" exhibited some Graptolites, which had been 

 obtained by Mr. Herbert J. Jessop in the course of a prospecting 

 expedition in Eastern Peru. The locality was in lat. 13° 40' S. and 

 long. 72° 20' W. ; Limbani, near Crucero, in the neighbourhood of 

 the Rio Inambari. The graptolites are closely related to JDiplo- 

 graptus foliaceus and indicate deposits of late Ordovician age. 



Mr. A. K. CooMAEA-SwAMT exhibited and commented on a lantern- 

 slide showing Spherulitic Structure in Sulphanilic Acid. This had 

 been described and figured by Mr. Henry Bassett, Jr., in the 

 Geological Magazine for Januarj^ 1901, pp. 14-16. 



The following communications were read : — 



1. 'On the Structure and Affinities of the E-haetic Plant NaiaditaJ 

 By Miss Igerna B. J. Sollas, B.Sc, Newnham College, Cambridge. 

 (Communicated by Prof. W. J. Sollas, M.A., D.Sc, LL.D., F.R.S., 

 V.P.G.S.) 



2. ' On the Origin of the Dunmail Eaise (Lake District).' By 

 Richard D. Oldham, Esq., E.G.S. 



In addition to the specimens, etc., mentioned above, the follow- 

 ing were exhibited : — 



Specimens and Lantern-slides exhibited by Prof. W. J. Sollas, 

 M.A., D.Sc, LL.D., E.R.S., Y.P.G.S., on behalf of Miss Igerna B. J. 

 Sollas, B.Sc, and in illustration of her paper. 



Photographs and Lantern-slides, exhibited by R. D. Oldham, Esq., 

 F.G.S., in illustration of his paper. 



Thirteen Platinotype Portraits of Fellows of the Society, presented 

 by Messrs. Maull & Eox, Photographers. 



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