1915-16.] 
Meetings of the Society. 
395 
THIRTEENTH ORDINARY MEETING. 
Monday , June 5, 1916. 
Dr John Horne, F.R.S. , President, in the Chair. 
The Keith Prize and the Neill Prize awards for the Biennial Period 1913-1915. 
The Council of the Royal Society of Edinburgh haying awarded the Keith Prize to James 
Hartley Ashworth, D.Sc., for his papers on “Larvae of Lingula and Pelagodiscus ” and on 
“ Sclerocheilus,” published in the Transactions of the Society, and for other papers on the 
Morphology and Histology of Polychseta ; and the Neill Prize to Robert Campbell, D.Sc., for 
his paper on “ The Upper Cambrian Rocks at Craigeven Bay, Stonehaven” and “ Downtonian and 
Old Red Sandstone Rocks of Kincardineshire,” published in the Transactions of the Society ; these 
Prizes will be presented at the Meeting of July 3, 1916. 
The following Communications were read : — 
1. The Prothallus of Tmesipteris Tannensis. By Professor A. Anstruther Lawson, D.Sc. 
2. On the Theory of Continued Fractions. By Professor E. T. Whittaker, F.R.S. 
3. On Captain Weir’s Azimuth Diagram and its Anticipation of the Nomogram in Spherical 
Trigonometry. By Herbert Bell, M. A., B.Sc. Communicated by the General Secretary. 
Loss by Fire. 
By the destructive fire at Messrs Neill & Co.’s Printing Works, the Society lost the finished 
sheets of - many papers which were on the point of being published in the Transactions and 
Proceedings. This delayed publication for several months. 
Proposed Honorary Fellows. 
As British Honorary Fellows : — 
Sir Francis Darwin, D.Sc., M.B., F.R.S., Cambridge; J. W. L. Glaisher, M.A., Sc.D., 
F.R.S., Trinity College, Cambridge; J. N. Langley, Sc.D., F.R.S., Professor of Physiology, 
Cambridge; Charles Lapworth, M.Sc., F.R.S., Emeritus Professor of Geology, University of 
Birmingham; Alexander Macalister, M. D., F.R.S., Professor of Anatomy, Cambridge; 
Arthur Schuster, Emeritus Professor of Physics, University of Manchester. 
As Foreign Honorary Fellows : — 
Charles Barrois, Professor of Geology and Mineralogy, Lille ; D. H. Campbell, Professor 
of Botany, Leland Stanford University, Cal., U.S.A. ; M. E. Gley, Professor of Physiology, 
Paris; 0. Golgi, Professor of Anatomy, Rome; General W. C. Gorgas, U. S. Army Medical 
Department ; G. B. Grassi, Professor of Entomology, Rome ; E. C. Pickering, Professor of 
Astronomy, Cambridge, U.S.A. ; E. Warming, Professor of Botany, University, and Director of 
the Botanical Gardens, Copenhagen. 
FOURTEENTH ORDINARY MEETING. 
Monday, June 19, 1916. 
Professor Sir Thomas R. Fraser, F.R.S., Vice-President, in the Chair. 
The Keith Prize and Neill Prize awards for the Biennial Period 1913-1915. 
The Council of the Royal Society of Edinburgh having awarded the Keith Prize to James 
Hartley Ashworth, D.Sc., for his papers on “Larvae of Lingula and Pelagodiscus” and on 
“ Sclerocheilus,” published in the Transactions of the Society, and for other papers on the 
Morphology and Histology of Polychseta; and the Neill Prize to Robert Campbell, D.Sc., for 
his paper on “ The Upper Cambrian Rocks at Craigeven Bay, Stonehaven ” and “ Downtonian and 
Old Red Sandstone Rocks of Kincardineshire,” published in the Transactions of the Society ; these 
Prizes will be presented at the Meeting of July 3, 1916. 
The following Communications were read : — 
1. The Pharmacological Action of Nitric Esters. By Professor C. R. Marshall. 
2. The Trachytic and other Allied Rocks of the Clyde Carboniferous Lava Plateaux. By 
G. W. Tyrrell, A.R.C.S., F.G.S. Communicated by the President. 
