Journal. 417 



The following communications were submitted : 



"On the Regional Distribution of Plankton Organisms in Scottish Fresh- 

 Water Lochs." By James Muruay, Esq. 



"Scotia Collections. —On a Ten-legged Pycnogonid from the South 

 Orkneys." By T. V. Hodgson, Esq. 



"Exhibition of — («) Specimens of Oak and Lime injured by Gecinus viridis; 

 (b) Tetranychus lintearms and its web on Ulex eu'ropceus." By R. 

 Stewart MacDougall, Esq.. D.Sc, F.R S.E. 



"Exhibition, with Remarks, of Short-toed La.Tk{Cale7idrellabrachyclactyIa), 

 Lapland Bunting {Calcarius lapponicus), and Chick of Fork-tailed 

 Petrel {Oceanodroma leucorrhoa)^ from the Flannan Lslands." By 

 Wm. Eagle Clarke, Esq., F.L.S., F.R. S.E. 



Fifth Ileeting, 27th February 1905.— Wm. Evans, Esq., F.R.S.E., President, 



in the Chair. 



Messrs Edward J. Bles, Robert N. Rudmose Brown, and H. Brantwood 

 Muff were formally admitted Fellows of the Society. 



The following communications were submitted: 



1. "Exhibition, with Remarks, of a remarkable Fossil Vertebrate from the 



Triassic beds of Lossiemouth." By Wm. Taylor, Esq. 



2. " The Embryology of Dipnoan and Crossopterygian Fishes in its Relation 



with some of the General Problems of Vertebrate Morphology." By 

 Professor J. Graham Kerr, M.A., F.R. S.E. 



3. " The Hatching Process in Anura." By Edward J. Bles, Esq., B.A. 



4. "Exhibition of — {a) Section of Stem of Betula alba, showing Adult and 



Larval Galleries of Scolytus Ratzeburgi% Jans ; (6) Stem of Betula alba, 

 showing wounds made by Woodpecker in search of Scolytus Ratzeburgii, 

 Jans." By R. Stewart MacDougall, Esq., M.A., D.Sc, F.R. S.E. 



Sixth Meeting, 21th March 1905.— Wm. Evans, Esq., F.R.S.E., President, 



in the Chair. 



Messrs R. C. Millar and R. Brown were appointed Auditors. 



Messrs J. H. Harvey Pirie and James Murray were formally admitted 

 Fellows of the Society. 



The following communications were submitted : 



1. "A Possible Mode of Inheritance of Adaptive Characters." By Cecil B. 



Crampton, Esq., M.B., CM. 



2. "Scotia Collections. — Three Species of Antipatharians. " By Professor 



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



