1903-4.] 
Meetings of the Society. 
117] 
the larva to those of the adult, and he has instituted striking 
comparisons between some of the developmental stages of 
Cribrella and of Balanoglossus leading to useful generalisations on 
the phyletic history of Echinoderms, 
The following Communications were read : — 
1. The Bull Trout of the Tay and of Tweed. By W. L. C alder wood. 
pp. 27-38. 
2. Field Evidence relating to the Modes of Occurrence of Intrusive 
Bocks. By J. G. Goodchild, F.G.S. Communicated by Dr R. H. 
Traquair. {With Lantern Illustrations.) pp. 197-226. 
Dr Ernest George Coker, Dr Alfred Charles Coles, and 
Mr Frederick T. G. Horday, F.R.C.V.S., were balloted for, 
and declared duly elected Fellows of the Society. 
FOURTH ORDINARY MEETING. 
Monday , 2\st December 1903. 
The Rev. Professor Flint, D.D., Vice-President, in the Chair. 
The following Communications were read : — 
1. The Relative Efficiency of Certain Methods of performing 
Artificial Respiration in Man. By Professor E. A. Schafer, F.R.S. 
pp. 39-50. 
2. Physico-Chemical Investigations in the Amide Group. By 
Charles E. Fawsitt, Ph.D. Communicated by Professor Crum 
Brown, pp. 51-60. 
3. Bathymetrical Survey of Scottish Fresh- water Lochs : — Preliminary 
Note on the Biology of Loch Ness. By Mr James Murray. Com- 
municated by Sir John Murray, K.C.B. 
FIFTH ORDINARY MEETING. 
Monday , 4 tli January 1904. 
The Rev. Professor Duns, D.D., Vice-President, in the Chair. 
The following Communications were read : — 
1. On the Origin of the Epiphysis Cerebri as a Bilateral Structure in 
the Chick. By John Cameron, M.B., M.R.C.S. Eng., University of St 
Andrews. Communicated by Dr W. G. Aitchison Robertson, pp. 
160-167. 
