PEOCEEDI 



OF THE 



CAMBRIDGE PHILOSOPHICA: 

 SOCIETY. 



VOL. III. PART IV. 

 [February to May, 1878.] 



CONTENTS: 



■ PAGE- 



Mr J. W. L. Glaishbr, F.R.S., On the formation of Factor Tables. 99 

 Dr Pearson, On a new kind of Weir . . . . .138 



„ „ On a Manuscript Table of Napierian Log. Sines, dc. . 146 



„ „ On a Manuscript Vol. of Astronomical Tables . 150 



Prof. Caylbv, Note on a Theorem of Abel's " . . . . 155 



Professors Liveing and Dewar, On the reversal of the Spectrum of 



certain Elements . . . . . . . M'O 



Mr B. Hill, On the influence of Geological changes in the Earth's 



axis of rotation . . . . , . .161 



©ambribp: 



PRINTED AT THE UNIVERSITY PRESS. 



AND SOLD BY 



DEIGHTON, BELL AND CO. AND MACMILLAN AND CO. CAMBEIDaE ; 



BELL AND SONS, LONDON. 



1878 



