

TRANSACTIONS 



OF THE 



EOYAL SOCIETY OF EDINBUEGH. 



VOL. XXXVI. PART I.— (Nos. 1 to 8)— FOR THE SESSION 1889-90. 



CONTENTS. 



Nd. I. Observations upon the Structure of a Genus of Oligochceta belonging to the Limicoline 

 Section. By Frank E. Beddard, M.A., F.R.S.E., Prosector, and Davis Lecturer 

 to the Zoological Society of London. (With a Plate), .... 1 



11. On the Transformation of Laplace's Coefficients. By Dr Uustave Plarr, . . 19 



III. Phases of the Living Greek Language. By Emeritus Professor Blackie, . . 45 



IV. Adamantios Koraes, and his Reformation of the Greek Language. By Emeritus 



Professor Blackie, . . . . . . . .57 



V. On the Fossil Flora of the Staffordshire Coal Field*. By B. Kidston, F.R.S.E., F.G.S. 



(With a Plate), ......... 63 



VI. The Solar Spectrum at Medium and, Low Altitudes. Observations of the Region between 



o 



Wave-Lengths 6024 and 4861 A.U., made at Lord Crawford's Observatory, Dun Edit, 

 during the Years 1887 to 1889. By Ludwig Becker, Ph.D., Temporary Second 

 Assistant- Astronomer, Boyal Observatory, Edinburgh, .... 99 



VII. Electrolytic Synthesis of Dibasic Acids. By Professor Alexander Crum Brown and 



Dr James Walker, . . . . . . .211 



VIII. On Impact. By Professor Tait. (With a Plate), ..... 225 



EDINBURGH : 



PUBLISHED BY ROBERT GRANT & SON, 107 PRINCES STREET, 

 AND WILLIAMS & NORGATE, 14 HENRIETTA STREET, COVENT GARDEN, LONDON. 



MDCCCXCI. 



(Issued March 9, 1891.) 



