O PEOCEEDIIs'as OF THE 



March 3rd, 1881. 



Egbert M'^Lachlan, F.R.S., in tlie Cliair. 



The Minutes of the last Meeting were read and confirmed. 



Arthur Bennett, Esq., "W. Bancroft Espeut, Esq., Gr. Johnson 

 Fookes, Esq., N. Henry Martin, Esq., Prof. L. Compton Miall, 

 Henry N. liidley, Esq., Sir Arthur Scott, Eart., and Walter Gr. 

 WooUcombe, Esq., Avcre elected Eellows. 



Mr. R. Irwin Lynch was elected an Associate. 



Mr. E. M. Holmes exhibited specimens of Nitopliylluin reptans, 

 Crouau, a Marine Alga new to Britain, and Dermocarpa prasina. 

 Born., parasitical on Catanella Opiintia from Scotland, and col- 

 lected by Mr. Gr. M. Traill, of Edinburgh ; also a new British 

 Moss, LoscurcEa saxicola, Milde, gathered on Ben Lawers by Mr. 

 W. West, of Bradford. 



Mr. Thomas Christy showed an example of the dried juice of 

 the Papaw-tree (Carica I'(ij)aya), and of the active principle 

 Papayine derived from it, mentioning the peculiar physiological 

 properties of the juice and the proposed use of the active prin- 

 ciple in Mediciue, 



The following papers were read : — 



1. " On the Keparative Processes which occur in Vegetable 

 Tissues." By Samuel Gr. Shattock. Communicated by Prof. M. 

 Foster. 



2. '' On the Apparent Eetention of a Sur-anal Plate by a 

 Young Echinometra." By Prof. F. Jeffrey BeU. Communicated 

 by Dr. J. Murie. 



3. " On Dimorphism in Arjichia and Ilacrotomia." By C. B. 

 Clarke, F.L.S. 



4. " Mollusca of the ' Challenger ' Expedition."— Part. VIII. 

 Family Pleurotomidae. By the Eev. E. Boog Watson, F.L.S. 



March 17th, 1881. 



Feakk Ceisp, LL.B., in the Chair. 



The Minutes of the last Meeting were read and confirmed. 



Joseph Armitage, Esq., and Prof. Thomas W. Bridge were 

 elected Fellows. 



Mr. Frederick Moore was elected an Associate. 



The Chairman, in adverting to the great loss sustained by the 

 Society in the death of Mr. E, E. Alston, the late Zoological 

 Secretary, communicated to the Meeting the Council's Eeso- 

 lutions as follows : — 



" That the Council have heard with great regret of the death of ilr. 

 Alston, and desire to place upon record tlieir sense of the loss which the 



