MAY 31 1906 
PREFACE meni 
NeW YORK 
I HAve in the present work put in a connected and a 
more complete form results, some of which have been 
published in the following Papers : 
‘De la Généralité des Phénoménes Moleculaires produits 
par l’Electricité sur la matiere Inorganique et sur la 
matiere Vivante.” (Travaux du Congres International 
de Physique. Paris, 1900.) 
‘On the Similarity of Effect of Electrical Stimulus on In- 
organic and Living Substances.’ (Report, Bradford 
Meeting British Association, 1900.—Electrician.) 
‘Response of Inorganic Matter to Stimulus.’ (Friday 
Evening Discourse, Royal Institution, May 1901.) 
‘On Electric Response of Inorganic Substances. Preliminary 
Notice.’ (Royal Society, June 1901.) 
‘On Electric Response of Ordinary Plants under Me- 
chanical Stimulus.’ (Journal Linnean Society, 1902.) 
‘Sur la Réponse Electrique dans les Métaux, les Tissus 
Animaux et Végétaux.’ (Société de Physique, Paris, 
1902.) 
‘On the Electro-Motive Wave accompanying Mechanical 
Disturbance in Metals in contact with Electrolyte.’ 
(Proceedings Royal Society, vol. 70.) 
‘On the Strain Theory of Vision and of Photographic Action.’ 
(Journal Royal Photographic Society, vol. xxv1.) 
