Index 353 



Modular Functions (Mordell), 117. 



Moduli, Prime, Quadratic and Cubic Binomial Congruences with (Pockling- 



ton), 57. 

 Mordell, L. J., On Mr Ramanujan's Empirical Expansions of Modular 



Functions, 117. 

 Multiple series. Convergence of certain (Hardy), 86. 

 Mutation in bacteria (Doncaster), 269. 



Neon Lamps for Stroboscopic Work (Aston), 300. 



Neville, Eric H., The Gauss-Bonnet Theorem for Multiply-connected Regions 



of a Surface, 234. 

 Newgass, G. a.. Elected Associate 1918, October 28, 347. 

 NicoD, J. G. P., A Reduction in the number of the Primitive Propositions of 



Logic, 32. 

 Norton, H, T. J., see Todd, H. 

 NuTTALL, G. H. F., see Gardiner, J. Stanley. 



Oldham, F. W. H., Elected Fellow 1917, February 5, 127. 



Palmer, W. G., Elected Fellow 1919, May 19, 349. 



Partitions of n, Some properties of p {n), the number of (Ramanujan), 207, 

 Phase, Limits of applicability of the Principle of Stationary (Watson), 49. 

 PoCKLiNGTON, H. C, The Du-ect Solution of the Quadratic and Cubic Binomial 



Congruences with Prime ModuU, 57. 

 P6lya, G., see Hardy, G. H. 

 Prasad, S. P., Elected Fellow 1919, May 19, 349. 

 Prawn, Common, Functions of the Mouth-Parts (Borradaile), 56. 

 Primitive Propositions of Logic (Nicod), 32. 



Proceedings at the Meetings held during the Session 1916-1917, 125. 



1917-1918, 187. 

 1918-1919, 347. 

 PuNNETT, R. C, and Bailey, P. G., Inheritance of henny plumage in cocks, 126. 



Some experiments on the Inheritance of weight in Rabbits, 188. 



Purvis, J. E., The conversion of saw-dust into sugar, 259. 



Bracken as a source of potash, 261. 



Quadratic and Cubic Binomial Congruences with Prime Moduli (Pockling- 



TON), 57. 



Quadncs, Geometrical Interpretations of the Concomitants of Two (Turn- 

 bull), 196. 



Ramanujan, S., Elected Fellow 1918, February 18, 189. 



On the expression of a number in the form ax'^ + hy'^ + cz^ + du^, 11. 



Empu'ical Expansions of Modular Functions (Mordell), 117. 



On certain Trigonometrical sums and their applications in the theory of 



numbers. See Transactions, xxii. 



