PROCEEDINGS 



OF THE 



LINNEAN SOCIETY OF LONDON. 



(ONE HUNDRED AND EIGHTEENTH SESSION, 

 1905-1906.) 



JS'ovember 2nd, 1905. 

 Prof. W. A. Hebdmax, E.E.S., President, in the Chair. 



The Minutes of the Greueral Meeting of the loth June were 

 read and confirmed. 



Colonel Arthur Henry McMahon, C.S.I., CLE,, was admitted a 

 Fellow. 



Mr. Jesse Eeeves was elected a Fellow. 



Mr. Oakes Ames, A.B., A.M., Harvard; Mr. Edward Archibald 

 Smith, M.B., F.E.C.S. ; The Et. Hon. William Geoffrey Bouchard 

 de Montmorency, Viscount Mountmorres ; and Mr. Alfred Douglas 

 Hardy, were ])roposed as Fellows. 



The Eev. George Henslow, M.A., F.L.S., exhibited the tails 

 of trout and grayling to show the heterocercal origin of the 

 homocercal tail, by means of the hypural bones which balance the 

 vertebra turning upward towards the upper lobe. 



The Eev. George Hexslow then delivered an address on 

 '• Plant Oecology, interpreted by direct response to the conditions 

 of Life." He remarked that Plant Geography and Plant Survej*- 

 ing — that is, Phytotopography — comprise records of the fluctuating 



LINK. SOC. PROCEEDINGS. — SESSION 1905-1906. h 



