X 
Index. 
Figures. 
1. 
2 . 
3 - 
1. 
2 . 
3 - 
4- 
5- 
6 . 
7 - 
8 . 
9 - 
10. 
1 1. 
12. 
13. 
1 4 . 
15- 
16. 
17 . 
I, 2. 
3 - 1 1 - 
12-19. 
20-24. 
25-35- 
36. 
37 - 39 - 
4 °, 41. 
The Intermittent Centrifuge (Hiley) 
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page 
725 
727 
728 
Diagrammatic representation of the complete apparatus for determina- 
tion of diurnal variation of excitability (Bose) .... 
The Oscillating Recorder (Bose) 
The Oscillator (Bose) ... 
Effect of cloud (Bose) 
Effect of sudden darkness (Bose) ....... 
Effect of change from darkness to light (Bose) ..... 
Effect of enhanced turgor, artificially induced (Bose) 
Effect of moderate cooling (Bose) 
Effect of application of more intense cold (Bose) .... 
Effect of temperature above optimum (Bose) . . . . . 
Record for twenty-four hours exhibiting diurnal variation of excita- 
bility (Bose) ... 
Midday record from noon to 3 p.m. exhibiting uniform excitability 
(Bose) 
Evening record from 6 to 10 p.m., showing gradual depression of 
excitability (Bose) 
Morning record from 8 to 12 noon, exhibiting gradual enhancement of 
excitability (Bose) 
Record of diurnal variation of excitability (Bose) .... 
Curves showing relations between the hour of the day and (1) tempera- 
ture, (2) excitability (Bose) 
Diurnal variation of excitability exhibited by summer specimen (Bose) 
Swainsona Cadelli (Compton) 
Helianthus annuus syncotyleus (Compton) . 
760 
763 
764 
766 
766 
767 
767 
768 
769 
770 
77 1 
772 
773 
773 
774 
776 
777 
797 
797 
,, ,, ,, 807 
Cannabis sativa (Compton) 807 
,, ,, ,, ........ 815 
Lepidium sativum (Compton) . . . . . . . . -815 
Lotus corniculatus, hemitricotyl (Compton) . . . . -815 
Helichrysum bracteatum (Compton) . . . . -815 
