ii Proceedings of the Royal Physical Society. 



Monthly, 20th December 1909. —Professor J. Arthur Thomson, M.A., F.R.S.E., 



President, in the Chair. 



The following gentlemen were elected Ordinary Fellows of the Society : — 

 Professor Arthur Robinson, M. D., and A. M. Drennan, Esq., M.B., Ch.B. 



The following Communications were submitted : 



1. "Notes on Professor E. A. Minchin's Preparations of the Early Stages in the Development 



of Sepia." By J. H. Koeppern, Esq. (Communicated by Professor J. Graham Kerr.) 



2. "On a Millepore from Roekall." By Professor J. Arthur Thomson, M.A., F.R.S.E. 



3. "On a new Pseudaxonid Genus — Dendrogorgia." By Jas. J. Simpson, Esq., M.A., B.Sc. 

 i. " Exhibition of Rare Butterflies from Sikkim." By Percy H. Grimshaw, Esq., F.E.S. 



Monday, 2\th January 1910. — J. H. Ashworth, Esq., D.Sc, Vice-President, 



in the Chair. 



The following Communications were submitted : 



1. 'An Embryonic Appendage of the Claws of the Amniota, probably of an adaptive nature.'" 

 By W. E. A&AR, Esq., B.A., D.Sc. 

 Exhibition of Specimens illustrating the nesting habits of the Tree Frog, Phyllomedusa 

 sauvayii." By W. E. AGAR, Esq., B.A., D.Sc. 



3. "On some Habits and Hosts of Bird Ceralophylll taken in Scotland in 1909: with 



description of a new species (C. rothschildi)." By James Waterston, Esq., B.D., B.Sc. 

 (Communicated by J. H. Ashworth, Esq., D.Sc.) 



4. "The Green Woodpecker, Qecinus viridis, as a Scottish Bird." By Wm, Evans, Esq., 



F.R.S.E. 



•2 



Monday, 28th February 1910.— Professor J. Arthur Thomson, M.A., F.R.S.E., 



President, in the Chair. 



John Henry Koeppern, Esq., was elected an Ordinary Fellow of the Society. 

 The following Communications were submitted : 



1. "Note on a Peculiar Clutch of Blackbird's Eggs and some other Abnormalities." By 



Professor J. Arthur Thomson, M.A., F.R.S.E. 



2. "Note on Piona carnea C. L. Koch, and Eurycypris pubera (O.F.M.). '' By Wm. 



Williamson, Esq. 

 3 "Exhibition of Drawings of Larval Forms, and Observations on the Classification of 



Hydracarina." By Wm. Williamson, Esq. 

 4. "Exhibition, with Remarks, of some rare Marine Invertebrates." By J. H. Ashworth, 



Esq., D.Sc. 

 .". " Exhibition of Ixodes unicavatus (a recently described Tick from the Cormorant) ; larvaj 



of Anopheles from ;> pool near Lasswade; and other Invertebrates of Local Interest." By 



Wm. Evans, Esq., F.R.S.E, 



