Wifi'ii 





IS 



OF THE 



CAMBRIDGE PHILOSOPHICAL 



SOCIETY. 



VOL. V. PART VI. 



[Easter Term, 1886.] 



©ambrfoge: 



PRINTED AT THE UNIVERSITY PRESS. 



AND SOLD BY 



DEIGHTON, BELL AND CO. AND MACMILLAN AND CO. CAMBRIDGE. 



G. BELL AND SONS, LONDON. 



1886 



