ILLUSTRATIONS xliii 



FIG. PAGE 



385. Gradual Transformation from Abnormal to Normal Response in 



Platinum 629 



386. Normal Electro-motive Response in Tin, enhanced after Tetanisation 629 



387. Photographic Record of Abnormal Response of Selenium Cell con- 



verted into Normal after Tetanisation . . . . . . 630 



388. Photographic Record showing Moderate Normal Response of Selenium 



enhanced after Tetanisation ....... 630 



389. Photographic Record of Abnormal Response of Tungsten to Electric 



Radiation, converted after Tetanisation into Diphasic and Normal . 632 



390. Moderate Normal Response of Aluminium, enhanced after Tetanis- 



ation ............ 632 



391. Photographic Record of Enhancement of Magnetic Response after 



Tetanisation . ... . . . . . . . 633 



392. Vertical Series of Records showing Transformation of Abnormal into 



Normal Response after Tetanisation in Living and Inorganic alike 



in the A phase .......... 633 



393. Series showing how Tetanisation enhances Normal Response in the 



B Phase ........... 634 



394. Photographic Record showing Responses corresponding with different 



parts of characteristic curve in frog's nerve . . . . . 635 



395. Photographic Record of Response of Tungsten showing Enhance- 



ment of Response after moderate Tetanisation, and Reversal of 

 Response, due to Fatigue under stronger Tetanisation . . . 638 



396. Series showing reversal of Normal Response by fatigue due to strong 



Tetanisation inducing the E phase ....... 639 



397. Fatigue in Indiarubber giving rise to Diphasic and Reversed Re- 



sponses ........... 642 



398. Fatigue inducing Diphasic Variation and Reversal of Normal Response 



in Frog's Nerve .......... 642 



399. Abnormal Response of Muscle by Relaxation, followed by Normal 



Response of Contraction ........ 649 



400. Record of Response in Nerve of Gecko showing the Effect of Arith- 



metically increasing Stimulus ....... 657 



401. Response of Nerve of Bull-frog to Stimuli I, 2, 3, . . . 12, increasing 



in Arithmetical Progression ........ 658 



402. Response of Optic Nerve of Ophiocephalus to Arithmetically increasing 



Stimuli i, 2, 3, 4, 5, 6, 7 . . . . . . . . 659 



403. Mechanical Response of Nerve of Fern to Arithmetically increasing 



Stimulus ........... 659 



404. Photographic Record of Magnetic Responses in Steel to Arith- 



metically increasing Stimulus . . '. . . . . 660 



405. The Sensimeter 670 



406. Revival of latent Image in Metal ....... 683 



