

PROCEEDINGS 



ROYAL PHYSICAL SOCIETY 



PROMOTION OF ZOOLOGY AND OTHER BRANCHES OF 

 NATURAL HISTORY. 



SESSION 1910-1911. 



No. 3. 



VOL. XVIII. 



Pages 145-218. 



/ccT 



CONTENTS 



XVII. Observations on the Number of Genital Apertures and on the 

 Disproportion of Sexes in tbe Norway Lobster (Kephrops 

 norvegicus). By D. 0. M'Intosh, M.A, B.Se., F.R.S.E. 

 (From the Zoological Department of Edinburgh University), 



V XVIII. The Marine Fauna of the Mergui Archipelago, Lower Burma, 

 collected by James J. Simpson, M.A., B.Sc, and R. N. Rudmose 

 Brown, D.Sc, University of Aberdeen,- February till May 1907. 

 The Ophiuroidea. By Donald C. M'Intosh, M.A., B.Sc, 

 F.R.S.E., Research Student, University of Edinburgh, . 



i/ XIX. Notes on the Adult Anatomy of Solaster endeca (Forbes): (1) 

 Madreporite, etc. ; (2) Anus ; (3) Egg ducts ; (4) and (5) Aboral 

 and Oral Perihasmal sinuses. By James F. Gemmill, M.A., 

 M.D., D.Sc, . . 



[XII. The Possibilities of Bird-Marking, with special reference to the 

 Aberdeen University Bird-Migration Inquiry. By A- Lands- 

 borough Thomson, M.A., M.B.O.U., .... 



PAGE 



145 



154 



174 



.XX. A New Flea (XenopsyUa trispinis) from South Africa. By James 



Waterston, B.D., B.Sc, . . .... 192 



£)0 / } fflXI. Notes on the recent Immigration of Mealy Redpolls (Acanthis 

 linaria), including the form known as Holbbll's Redpoll. By 

 William Evans, F.R.S.E., M.B.O.U., . . .196 



204 



EDINBURGH 



M'FARLANE & ERSKINE, 

 July 1911. 



