CONTENTS. 
XVII. The Marine Mollusca of the Scottish National Antarctic Expedition. 
Part Il. By James Cosmo Metviut, M.A., D.Sc, F.L8.; and 
Rosert STaNnpEN, Assistant Keeper, Manchester Museum. (With 
One Plate), 
XIX. The Brachiopoda of the Scottish National Antarctic Expedition (1902 
to 1904). By J. Witrrtp Jackson, F.G.8., Assistant Keeper, 
Manchester Museum. (With Two Plates), 
XX. The Equilibrium of the Circular-Are Bow-Girder. By Professor 
A. H. Gipson, D.Sc., A.M.I.C.E., University College, Dundee. (With 
Eleven Diagrams), 
XXI. Experiments to show how Failure under Stress occurs in Timber, its 
Cause, and Comparative Values of the Maximum Stresses vnduced 
when Timber is fractured in Various Ways. By Aneus R. Futon, 
B.Se., A.M.Inst.C.E., Engineering Department, University College, 
Dundee. (With Hight Plates and Five Text Illustrations), . 
XXII. The Cestoda of the Scottish National Antarctic Eupedition. By 
JoHN Rennis, D.Sc.; and ALExanpER Rerp, M.A., University of 
Aberdeen. (With Two Plates), 
XXII. The Amphipoda of the Scottish National Antarctic Expedition. By 
Cuas. Cuitton, M.A., D.Sc. (N.Z.), M.B., C.M. (Edin.), Hon. LL.D. 
(Aber.), F.L.8.; Professor of Biology, Canterbury College, New 
Zealand. (With Two Plates), ; ; 
PART IIL (1912-13.) 
XXIV. The Entomostraca of the Scottish National Antarctic Hapedition, 
1902-1904. By Tuomas Scorr, LL.D, F.LS. (With Fourteen 
Plates), ; ; 
XXV. A Study in Chromosome Reduction. By A. ANSTRUTHER Lawson, 
Ph.D., D.Sc, F.L.S.; Lecturer in Botany, University of Glasgow. 
(With Three Plates), 
XXVI. Temperature Observations in Loch Earn. With a further Contribution 
to the Hydrodynamical Theory of the Temperature Seiche. By 
K. M. Wepprersourn, W.S. 
vil 
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