*-"' I 



PROCEE&INGS 



OF THE 



ROYAL SOCIETY OF LONDON. 



From Jtcac 11, fo December 13, 1900.' 



VOL. LXV1I. 



LONDON: 

 HARBISON AND SONS, ST. MARTIN'S LANE, 



|}rmtrrs in rbinartj to ptr late ^tajrslg. 



FKHEUART, 1901. 



