r% 







7/Sr 



PKOCEEDINGP$*V N V'- v 



OF THE 





CAMBRIDGE PHILOSOPHICAL 



SOCIETY. 



VOL. VII. PART III. 



[Michaelmas Term, 1890.] 



©ambrfljge : 



PRINTED AT THE UNIVERSITY PRESS, 



AND SOLD BY 



DEIGHTON, BELL & CO. AND MACMDLLAN & BOWES, CAMBRIDGE. 



G. BELL AND SONS, LONDON. 



1891 



Price Two Shillings. 



