298 



Adenosine triphosphate (Contin- 

 ued) 

 plasticizing agent, 178, 255 

 sperm suspension, effect on, 15, 



179, 195 

 stimulation of extracted models, 



202, 253-256, 259, 261 

 syneresis of actomyosin, 182, 203, 



214-215 

 Vorticella myoneme elongation, 



265 

 wave frequency in relation to con- 

 centration, 255, 273-274 

 ADP, see Adenosine diphosphate 

 Adenylatekinase 

 algal fiagella, 270 

 flagellar models, 255, 262 

 Afzefius, B., 148, 153, 171, 286 

 Alanine 



deamination, 133, 134 

 production, 133, 134 

 Alga 



cytoplasmic contractile protein, 



213 

 extracted fiagella, 269-275, 277 

 fiagella, functional comparison 



with insect myofibril, 276 

 flagellar coordination, 276, 293 

 flagellar x-ray diffraction, 197, 199 

 motility of extracted fiagella, 269- 

 278 

 Alkaline phosphatase, 185 

 Allogromia, 220 

 Amino acid 



utilization, 133 

 Amoeba 



protein syneresis, 203 

 Amoeboid movement, 220 

 AMP, see Adenosine monophos- 

 phate 

 Amytal 



absorption spectrum, effect on, 



109 

 crossover point, 119, 120, 129 

 motility, effect on, 123, 124, 129 



respiratory inhibitor, 109, 115, 



116, 121, 123, 126, 129 

 wave frequency decreased by, 124 

 Antigenicity, 27 



flagellar antibody reaction, 182, 

 291 

 Antimycin A 



absorption spectrum, effect on, 



106 

 crossover point, 119, 121, 129 

 inhibition of motility, 115, 124 

 inhibition of respiration, 106- 

 108, 114, 115, 126 

 Arbacia sperm, 56 

 Ascites cell, 115, 129 

 Astbury, W. T., 10, 23, 197, 200, 201, 



220, 224, 228, 229 

 ATP, see Adenosine triphosphate 

 ATPase, see Adenosine triphospha- 

 tase 

 Axial filament complex, 15, 23, 148- 

 152, 287 

 bisymmetry, 153 

 cholinesterase activity, 178 

 comparison with myofibrils, 27 

 enzymatic digestion, 152 

 extraction effects, 184, 213-214 

 fibrillar differentiation, 26, 148, 



149, 151 

 functional relation to fibrous 



sheath, 164 

 functional relation to outermost 



peripheral fibers, 166 

 mitochondria, relation to, 157 

 muscle-like protein, 182-186 

 plane of bending, relation to, 178 

 solubility, 152, 172 

 Azide 



absorption spectrum, effect on, 



104, 115 

 inhibition of glycolysis, 122, 123, 



129 

 inhibition of motility, 121, 123. 

 129 



