NOTE. 



The authors of the several papers contained in this volume are 

 themselves accountable for all the statements and reasonings which 

 they have offered. In these particulars the Society must not be 

 considered as in any way responsible. 



CONTENTS. 



Presidential Address. By William Thomson, F.R.S.E., F.I.C., 



F.C.S. . . . . . . . . . . . . . . pp. i — 14 



(Issued separately, January 4th, 191S.) 



MEMOIRS. 



I. The Specification of Stress. Part V. By R. F. Gwyther, M.A. 



pp. 1— n 



(Issued separately, January 30th, 1918.) 



II. Natural and Artificial Parthenogenesis in Animals. By D.Ward 



Cutler, M.A. .. .. .. .. .. .. pp. i — 42 



(Issued separately, April 2nd, 1918J 



III. The Organisation of Museums and Art Galleries in Manchester. 



By W. Boyd Dawkins, M.A., D.Sc, F.R.S. . . pp. i— n 



(Issued separately, April i$t/i, 1918.) 



IV. The Dorsal Mesenteric Filaments in the Siphonozooids of Pen- 



natulacea. By Constance M. Lightbown, M.Sc. With 



1 Plate. . . . . . . . . . . . . . . pp. 1 — 20 



(Issued separately, July -zyd, 1918.) 



V. Somatose. By William Thomson, F.R.S.E., F.I.C., F.C.S. 



With 3 Graphs. . . . . . . . . . . . . pp. 1 — 14 



(Issued separately, Jttly 20th, 1918.) 



