11 JUL. 90 



TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF EDINBURGH 



VOL XXXV. PART IV.— (Nos. 20 to 23)— FOR SESSION 1889-90. 



CONTENTS. 





'J* 





«S 



Art. XX. On the Thermal Conductivity and Specific Heat of Manganese-Steel. By A. 



Crichton Mitchell, B.Sc, . . . . . .0 17 



XXI. Strophanthus hispidus: its Natural History, Chemistry, and Pharmacology. By 

 Thomas R. Feasbb, M.D., F.R.S., F.R.S.E., F.R.C.P.E., Professor of Materia 

 Medica in the University of Edinburgh. Fart I. Its Natural History and 

 Chemistry. (Plates L-VIL), . . . . . .955 



XXII. On the Foundations of the Kinetic T/ieory of Gases. III. By Professor Tait, . 102!) 



Will. On Systems of Solutions of Homogeneous and Central Equations of the nth D<^ 



and of two or more Variables'; with a Discussion of tht Loci of such Equations. 



By the Hon. Lord M'Laben. (Plates I. -VI.), .... 1043 



APPENDIX 



The Council of the Soviet!/, .... 



Alphabetical Lid of the Ordinary Fellows, 



L ist of Honorary Fellows, .... 



List of Ordinary Fellows Elected during Session 1887-88, 

 List of Ordinary Fellotvs Elected during Session 1888-89, 

 Laws of the Society, ....... 



The Keith, Makdougall-Brisbane, Neill, and Victoria Jubilee Prizes, 



Awards of the Keith, Makdougall-Brisbane, Neill, and Victoria Jubilee Prizes 



Proceedings of Statutory General Meetings, .... 



List of Public Institutions and Individuals entitled to receive Copies of the Transactions and 

 Proceedings, ..... 



Index, ...... 



1102 

 1103 

 1118 

 1120 

 1122 

 1125 

 1132 

 1135 

 1139 



1145 

 1151 



\Tssued Mm i 12, 1800 A 



