318 Proceedings of the Royal Physical Society. 



largest of all the naked-eyed Medusas, is the reproductive 

 phase of one of the smallest of all the Hydroidse. 



Explanation of Plate XV. JEquoria vitrina. 



1. Planula directly after leaving the ovary. 



2. Same a week old. 



3. Same after having fixed itself to the glass and developed its scleroderm, 



— now become a polypary. 



4. Polypary putting forth bud. 



5. Same with young polyp. 



6. Empty polyp cell. 



IV. The following Objects of Natural History were exhibited by 

 Edward Charles worth, Esq., York. 



A stuffed specimen of the Frilled Lizard Chlamydosaurus Kingii, 

 from Port-Nelson, New Zealand, believed to be the best example yet seen 

 of this most extraordinary reptile. It was purchased at the sale of the 

 late Dr Mantell's Museum. 



A small but extraordinary coral from the Chinese Seas, believed to be 

 undescribed. 



A series of small fossil tertiary shells from Barton, in Hampshire, illus- 

 trated by magnified figures. 



A collection of small recent British Marine shells, illustrating a new 

 mode of mounting and exhibiting very small specimens, intended to in- 

 sure safety with effective display. The shells were fixed on cards with 

 gum tragacanth, which can be freely brushed across the surface, and 

 thus save much time in mounting, as it does not shine when dry, like gum 

 arable. The cards are then put in small boxes with glass lids. 



A specimen of Mactra Helvacea, and other shells from the Channel 

 Islands; several rare fossils of various kinds were also exhibited. 



Monday, 16th December 1861. — Alexander Bryson, Esq., President, 



in the Chair. 



The Office- Bearers for the Session 1861-62 were elected as follows : — 



Presidents. — Alexander Bryson, Esq. ; James M'Bain, M.D., R.N. ; 

 John Coldstream, M.D. 



Council. — William Rhind, Esq. ; David Page, Esq. ; William Tur- 

 ner, Esq., M.B. ; Thomas Strethill Wright, M.D. ; George Berry, Esq. ; 

 A. M'Kenzie Edwards, Esq. 



Secretary. — John Alexander Smith, M.D. 



Treasurer. — George Logan, Esq. 



Assistant Secretary. — James Boyd Davies, Esq. 



Honorary Librarian. — Robert F. Logan, Esq. 



Library Committee. — W. H. Lowe, M.D. ; John Anderson, M.D. ; 

 John S. Livingston, Esq. 



The following gentlemen were elected ordinary members of the So- 

 ciety : — 



Murray Thomson, M.D., F.C.S., Lecturer on Chemistry ; A. G. H. 

 Cameron of Lakefield, Esq., Inverness-shire ; Thomas Chapman, Esq., 



