THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. YIL (I. S.) FEEMAET, 1891. Part 1. 



CONTENTS. 



PAGE 



I. — Reports on the Zoological Collections made in Torres Straits by 

 Professor A. C. Haddon, 1888-1889. 

 Lepidoptera from Murray Island. By Gr. H. Carpenter, B.Sc. 



(Science and Art Museum, Dublin), ..... 1 



II. — Reports on the Zoological Collections made in Torres Straits by 

 Professor A. C. Haddon, 1888-1889. 

 The Land Shells. By Edgar A. Smith (British Museum), . . 5 



III. — A New Reading of the Donegal Rocks. By G. H. Kinahan, 



M.R.I.A., &c. (Plates I. to VI.), 14 



IV. A Study in Thermo- Chemistry : The Reduction of Metals from 



their Ores. ByW. N. Hartley, F.R.S., Professor of Chemistry, 

 Royal College of Science, Dublin, 35 



Y. — On the Composition of Two Hard- Water Deposits. By W. N. 



Hartley, F.R.S., Royal College of Science, Dublin, . .43 



YI. — On a Fragment of Glarnet Hornfels. By Professor Sollas, LL.D., 



F.R.S., 48 



YIL— The Abundance of Life. By J. Jolt, M.A., B.E., Assistant to 



the Professor of Civil Engineering, Trinity College, Dublin, . 55 



List oe Scientific Publications, 1-4 



The Authors alone are responsible for all Opinions expressed in their Communications. 



DUBLIN: 

 PUBLISHED BY THE EOYAL DUBLIN SOCIETY. 



LONDON: WILLIAMS & NORGATE, 14, HENRIETTA- STREET, 



COVENT GARDEN. , y y/_(> 5 V' ^S<-<^, 



1891. 



N. 



Frice Three Shillings. 



