1902.] 



:c Blaze-currents " of the Crystalline Lens. 



197 



After compression no further response. 



There was no appreciable alteration of resistance after tetanisation. 

 Exp. 5. Whiting. — 4 hours post mortem. Isolated lens. 



1000+ gives +0-0002 

 „ -0-0010 



1000- 



500+ gives 

 1000+ „ 

 2000+ „ 

 5000+ „ 

 10000+ „ 



nil 

 + 0-0002 

 + 0-0025 

 j +0-0050 

 \ +0-0055 



in 



+ 0-0002 

 + 0-0020 

 + 0-0040 

 + 0-0050 



,1 



No further response after compression. 































* 



s 



s 

















s 



* 



s 



s 



* 

















4 



1 

 1 



~4- 



<' 



















1 

 1 

 1 

 1 

 1 





















~i 



/ 

 / 

 i 



















VoLC 

 -006 



005 



0O4 



003 



002 



OQ1 



r £ 3 4 5 6 7 



Strength of stim. =» 



8 3/0 



Exp. 6. Mackerel. — 48 hours post mortem. Isolated lens. 



Exc. 1000 + 

 1000- 

 10000 + 

 10000- 



-0-0003 volt. 

 -0-0004 „ 

 -0-0010 „ 

 -0-0015 „ 



The response is abolished by plunging lens in hot water. 

 Exp. 7. Octopus. — 15 hours after removal from water. 

 The isolated eye gives no distinct response either to light or to electri- 

 cal excitation. 



Its isolated lens gives to 



1000+ a response of +0*0040 volt. 



1000- „ +0-0005 „ 



5000+ „ +0-0015 „ 



5000- „ +0-0010 „ 



