Contents. vii 



October 30, 1893. page 



Criticism of the Geological evidence for the Recurrence of Ice Ages. 



Prof. Hughes 98 



November 13, 1893. 



The Application of Newton's Polygon to the Theory of the Singular 



Points of Algebraic Functions. By H. F. Baker . . . .122 



On a Class of Definite Integrals connected with Bessel's Functions. By 



A. B. Basset 122 



November 27, 1893. 



The action of Light on Bactei'ia. By H. Marshall Ward . . . 128 

 On Gyuodicecism (third paper), with a preliminary note upon the origin 



of this and similar phenomena. By J. C. Willis .... 129 



Jamtary 29, 1894. 



Electricity of Drops. By Prof. J. J. Thomson . . . . .134 

 On the condition of the interior of the earth ; a correction and addition 



to a former paper. By 0. Fisher . . . . . . .134 



On a combination of prisms for a stellar spectroscox^e. By H. F. 



Newall 138 



Feh'^cary 12, 1894. 



On a suggested case of Mimicry in the Moliusca. By A. H. Cooke . 141 

 On the evidence as to the extent of Earth movements and its bearing 



upon the question of the cause of glacial conditions. By Prof. 



Hughes 142 



On the Fertilisation of some species of Medicago L. in England. By 



I. H. Burkill 142 



Contributions to the Geology of the Gosau Beds of the Austrian Salz- 



kammergut. By H. Kynaston 153 



