﻿CONTENTS. 



MEMOIRS. 



I. On the Presence of Arsenic in the Body, and its Secretion by 

 the Kidney. By William Thomson, F.R.S.E., F.I.C. 

 Plates I.— III. pp. i — 10 



{Issued separately ', October 3th, 1904). 

 II. Note on the Electrolytic Preparation of Titanous Sulphate. 



By W. H. Evans, B.Sc pp. 1—3 



{Issued separately, December ist, IQ04). 

 III. On the Determination of Wave-lengths in the extreme Ultra- 

 violet Portion of the Spectrum. By H. Morris-Airey, 

 M.Sc pp. 1—9 



{Issued separately, December 16th, igo4). 



IV. On the Rigidity of Gelatine. By H. Morris-Airey, M.Sc. 



pp. 1 — 10 



{Issued separately, February 16th, IQ05). 

 V. Report on the Recent Foraminifera from the Coast of the 

 Island of Delos (Grecian Archipelago). Pt. II. By 

 Henry Sidebottom. Plates I. — III. pp. 1 — 22 



(Issued separately, Fcbrziary 17th, IQ05). 

 VI. On the Supposed Antagonism of Mendelian to Biometric 



Theories of Heredity. By A. D. Darbishire, M.A. pp. I — 19 

 {Issued separately, February 2jth, IQ05) . 



VII. Experiments on the Relation between Uniform Compressive 

 Stress and Permanent Strain in Wrought Iron and Steel. 

 By W. C. Popplewell, M.Sc., A.M.Inst.C.E. ... pp. 1— 18 



{Issued separately, March 24th, Jgoj). 

 VIII. On the Occurrence in Britain of the Specific Eider {Somatcria 



v-nigrum, Gray). By Charles Oldham. ... ... pp. 1 — 4 



{Issued separately, March 31st, igoj). 

 IX. On some Habits of Bats with special Reference to the Lesser 

 Horseshoe Bat {Rhinolopluis hipposiderus). By Charles 

 Oldham. With Plate pp. i — n 



{Issued separately, March 31st, IQ05). 



X. On the Temperature Coefficient of Electrical Resistivity of 

 Carbon at Low Temperatures. By H. Morris-Airey, 

 M.Sc, and E. D. Spencer pp. i-^S 



(Issued separately, April 17th, /QOj). 



