CONTENTS. 



PART I. (1889-90.) 



XL'MBKU J'AGK 



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

 the Limicoline Section. By Frank E. Beddaed, M.A., F.R.S.E., 

 Prosector, and Davis Lecturer to the Zoological Society of London. 

 (With a Plate), ....... 1 



II. On the Transformation of Laplace s Coefficients. By Dr Gustave Plaer, 19 



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



IV. Adamant ios Koraes, and his Reformation of the Greet: Language. By 



Emeritus Professor Blackie, ...... 57 



V. On the Fossil Flora of the Staffordshire Coal Fields. By R Kidston, 



F.R.S.E., F.G.S. (With a Plate), . . . . .6:3 



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

 Region between Wave-Lengths 0024 and 4861 A.U., made at Lord 

 Crawford's Observatory, Dun Echt, during the Years 1887 to 1889. 

 By Ludwig Becker, Ph.D., Temporary Second Assistant-Astro 

 nomer, Royal Observatory, Edinburgh. (With Ten Plates), . 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 



