Vlll. CONTENTS. 



PLATES, &c. 



TO FACE PAGE 



I. — To illustrate Mr. Melvill's paper on Wulfenia Carinthiaca ... 82 



II. — To illustrate Mr. Kirkman's paper on the K-partitions of the R-gon 109 



III, IV, V, VI, VII, VIII.— To illustrate Mr. Frith's paper on the Wilde 



Alternator 151 



IX.— To illustrate Mr. Hick's paper on the .Stem of Calamites ... ... 170 



X. — To illustrate Mr. Wilde's paper on the influence of Coast-lines on 

 Magnetic Declination ... ... ... ... ... ... ... 186 



XI. — To illustrate Mr. Wells's paper on Canal and River Navigation ... 204 



CORRECTIONS. 



On p. 40, line 11, the equation should be as follows :- 



w I cdt T 



-/■ 



v-/°* 



Page 98. Mr. Robert Mond's election recorded in ordinary 

 Meeting, took place at a duly summoned General Meeting on 

 the same evening. 



