534 Index. 



Wilson, H. A., The Hall Effect in Gases at Low Pressures (Second Paper), 



391. 

 Wimperis, H. E., Some Experiments upon Beams under endlong compression, 



191. 

 Wood, T. B., Elected Fellow 1901, Feb. 4, 244. 

 Woodhead, Prof. G. S., Elected Fellow 1900, Oct. 29, 242. 



Xenopus laevis Daud., On the breeding habits of (Bles), 220. 

 Xylaria, Notes on artificial cultures of (Dale), 100. 



Yapp, B. H., Notes on new and interesting Plants from the Malay Peninsula, 



159. 

 Young, A., Elected Fellow 1902, Jan. 20, 510. 



CAMBRIDGE : PRINTED BY J. AND C P. CLAY, AT THE UNIVERSITY PRESS. 



