XXV11 



December 1, 1904. 

 Sir WILLIAM HUGGINS, K.C.B., O.M., President, in the Chair. 



A List of the Presents received was laid on the table, and thanks 

 ordered for them. 



The President announced that he had appointed as Vice-Presidents 



The Treasurer. 

 Prof. J. N. Langley. 

 Sir W. D. Niven. 

 Prof. W. A. Tilden. 



The following Papers were read : 



I. " The Ascent of Water in Trees." By Dr. A. J. EWART. 

 Communicated by FRANCIS DARWIN, For. Sec. E.S. 



II. "On the Presence of Tyrosinases in the Skins of some 

 Pigmented Vertebrates." By Miss F. M. DURHAM. Com- 

 municated by W. Bateson, F.K.S. 



III. " On the Structure and Affinities of Fossil Plants from the 



Palaeozoic Eocks V. On a New Type of Sphenophyllaceous 

 Cone (Sphenophyllum fertile), from the Lower Coal Measures." 

 By Dr. D. H. SCOTT, F.E.S. 



IV. " On Chemical Combination and Toxic Action as exemplified in 



Hsemolytic Sera." By Professor E. MUIR and C. H. BROWNING. 

 Communicated by Dr. C. J. MARTIN, F.E.S. 



V. " Histological Studies on Cerebral Localisation. Part II." By 

 Dr. A. W. CAMPBELL. Communicated by Professor 

 SHERRINGTON, F.E.S. 



December 8, 1904 

 Sir WILLIAM HUGGINS, K.C.B., O.M., President, in the Chair. 



A List of the Presents received was laid on the table, and thanks 

 ordered for them. 



The following Papers were read : 



I. " Memoir on the Theory of the Partitions of Numbers. Part III." 

 By Major P. A. MACMAHON, F.E.S. 



