CONTENTS. 



VOL. VIII. 



October 31, 1892. page 



Note on the Determination of Low Temperatures by Platinum-Thermo 



meters. By E. H. Griffiths and G. M. Clark .... 

 Carnot's principle and animal and vegetable life. By J. Parker 

 Note on the Geometrical interpretation of the Quaternion Analysis 

 By J. Brill 



November 14, 1892. 



On the Reproduction of Orbitolites. By J. J. Lister . . . .11 

 The fragmentation of the oosperm nucleus in certain ova. By S. J. 



Hickson 12 



Gynodioecism in the Labiatae. (Second paper.) By J. C. Willis . . 17 



November 28, 1892. 



On the rise in resistance of a Conductor when transmitting a Current. 



By E. H. Griffiths and G. M. Clark 20 



On the Stability of Maclaurin's Liquid Spheroid. By A. B. Basset . 23 



Jamiary 30, 1893. 



On a new Fern from the Coal Measures. By A. C. Seward ... 41 

 On the Structure and Functions of the Alimentary Canal of Daphnia. 



By W. B. Hardy and W. Mc Dougall 41 



On Urobilin. By A. Eichholz . . . 50 



February 13, 1893. 



Note on the stability of rotating liquid spheroids. By G. H. Bryan . 51 



On the isotropic elastic sphere and spherical shell. By C. Chree . . 54 

 On a system of two tetrads of circles ; and other systems of two tetrads. 



By Prof. Cayley 54 



