842 INDEX TO FIGURES 



PAQB 



Bernard, Claude, demonstrating an experiment (Lhermitte) 686 



portrait of (Lhermitte) 686 



signature of 689 



,, statue of, in Paris 689 



Berzelius, portrait of 302 



Brownian movement in living cells- 12 



paths of particles mapped by Perrin - 86 



Burdon-Sanderson, portrait of 661 



Calcium, action of, on frog's heart (Ringer) I'oT 



,, effect on electro-cardiogram of snail (Evans) 659 



,, effect on frog's heart (Straub) 143 



,, necessary for action of digitoxin (Clark) - 216 



Cambium cell, osmotic pressure of - 117 



Capillary electrometer (Keith Lucas) 643 



normal curve of (Burch) 644 



Carbon dioxide, effect on dissociation curve of oxyhsemoglobin lii'i' 



Catch mechanism, diagram of 534 



,, ,, model to illustrate 535 



Cell membrane, action of calcium on (Straub) 143 



Cells of cerebellum in muscular exercise (Dolley) 16 



Central nervous system, diagrams of evolution of 468 



of mammal, diagram (v. Monakow and Mott) 17 s 



Chloroform reversal of vaso-constrictor reflex 428, 429 



Chlorophyll, absorption spectra (Willstatter) 561 



oxygen produced at maximum absorption (Engelmann) 562 



,, starch produced at place of maximum absorption (Timiriazeff) 563 



Chromatic adaptation (Sumner) - 573, 574 



Circuit used for investigation and measurement of changes of potential 



difference 645 



Circulation, diagram of 672 



Claw muscle of crayfish, double nerve supply 404 



Colloidal particles, apparatus for detecting sign of charge - 86 



Compensatory pause in heart muscle (Marey) 452 



Condenser, electrical circuit used - 381 



Conducting tissue of plant - 431 



Contraction wave in muscle fibre (Engelmann) 437 



Corpus luteum, effect on growth of mammary gland (Ancel et Bouin) 717 



Crayfish, diagram of double innervation of claw muscle 404 

 Crystals of optical isomers (van't Hoff) 



Culture of tissues in vitro (Champy) 24, 25 



Curvature, effect on internal pressure 51 



Decerebrate tone, inhibition of (Sherrington) . 542 



Depressor nerve, electrical change with heart beat (Einthoven) 386 



reflex, inhibition of constrictor centre 412 



