524 



INDEX. 



300 ; determined the sliock to be of 

 the electric character in 1772, 318 



Wartniann on electric currents in vege- 

 tables, 308, 314 



Water decomposed by electricity of fish, 

 342 ; condition of water surrounding 

 the fisli at the moment of discharge 

 of the electric organs, 343 



Weber : the brothers Weber on the me- 

 chanism of the human knee-joint, 

 220, 231 



White cellular layer of the retina, 266 ; 

 Bo^^^nan on, 268 



Will of the electric fish determines flow 

 of nervous force into spaces of bat- 

 tery, 301 



Wilson (Erasmus) on Echinococcus ho- 

 minis, 480 



Wilson (Dr. George), analysis of liquid 

 in which the Sarcbut ventricuK was 

 found, 361-370 



Wisdom-teeth, 40 ; sometimes decay at 

 an early period, 45 



Wolflian bodies, formation of, 67 



WoUaston (Dr.) on the agency of elec- 

 tricity on animal secretions referred 

 to, 319 



Wounds in tusks of elephants, 63-65 



Young (Dr. Thomas) on cochlea being 

 a "micrometer of soimd," 287; on 

 the electric force, 320 



Zantedeschi's obsers'ations on electrical 

 condition of different plants when 

 flowering, 315 



Prhited by R. Clark, Edinburgh. 



