ee ee eee TRANSACTIONS 
ROYAL SOCIETY OF EDINBURGH. 
VOLUME XLVIII. PART I.—SESSION 1911-12. ---— 
ra, 
CONTENTS. Yeas 936° 
I. Lhe Nemertines of Millport and its Vicinity. By J. Srepnenson, M.B., D.Sc. (Lond.) ; 
Major, Indian Medical Service ; Professor of Biology in the Government College, Lahore. 
Communicated by Professor D’Arcy W. Tuompson, C.B. (With One Plate), 
(Issued May 16, 1911.) 
II. On some littoral Oligocheta of the Clyde. By J. StepHenson, M.B., D.Sc. (Lond.); Major, 
I.M.S.; Professor of Biology in the Government College, Lahore. Communicated by 
Professor D’Arcy W. Tompson, C.B. (With Two Plates), - : 
(Issued May 16, 1911.) 
Ill. Les Mousses de Expédition nationale antarctique écossaise. Par Juuus Carpot. Présenté par 
R le Professeur I. Bayuny Batrour, M.D., F.R.S. (Avec trois Planches), 3 
(Issued July 3, 1911.) 
IV. The Pharmacological Action of Harmine. By Jamus A. Gunn, M.A., M.D., D.Sc. (From the 
Pharmacology Laboratory of the University of Edinburgh), ; : 
(Issued August 9, 1911.) 
V. On the Resistance to Flow of Water through Pipes or Passages having Divergent Boundaries. 
By Professor A. H. Sieg D.Sc., University College, Dundee. Communicated by Professor 
W. Peppis, D.Sc, . P : é : ; 
Cesuet Wi 30, 1911 -) 
VI. The Significance of Maximum Specific Electrical ices in Sane ie Professor 
Joun Gipson, Ph.D., ; 
ec Octeber 20, 1911. ) 
VIL. Nuclear Osmosis as a Factor in Mitosis. By A. ANstruTHER Lawson, Ph.D., D.Sc., F.L. S, 
Lecturer in Botany, University of Glasgow. (With Four Plates), 
(Issued November 7, 1911.) 
VIII. On the Structure and Affinities of Metaclepsydropsis duplex (Williamson). By W. T. Gorpon, 
M.A., B.A., D.Se., Falconer Fellow of Edinburgh University, Lecturer in Paleontology, 
R Edinburgh "University. Communicated by Professor Jamus Guikiz, D.C,L., LL.D., ete. 
z (With Four Plates), ‘ 
F (ies Decanter 18, ‘1911, . 
K IX. Scottish National Antarctic Expedition: Observations on the Anatomy of the Weddell Seal 
(Leptonychotes Weddelli). Part II. By Davin Hepsury, M.D., C.M., Professor of 
Anatomy, Seo College, Cardiff (University of Wales), 
(Issued January 19, 1912.) 
X. The Influence of the Ratio of Width to Thickness upon the Apparent Strength and Ductility of 
| Flat Test-bars of Mild Steel. By W.Gorpon, B.Sc., A.M.I.Mech.E., Lecturer in Mechanical 
Engineering in Leith Technical College, and G. HL GULLIVER, BS, A.M.I.Mech.E., 
Lecturer in Engineering in the University of Edinburgh, ; : 
tp (Ussued February 28, 1912.) 
XI. A Monograph on the general Morphology of the Myxinoid Fishes, based on a study of Myzxine. 
Part IV.—On some Peculiarities of the Afferent and Efferent Branchial Arteries of Myxine. 
By F. J. Couz, D.Sc. Oxon., Professor of Zoology, University College, ai Com- 
municated by Dr R. H. Traquair, F.R.S. (With One Plate), 
(Issued April 1, 1912.) 
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