SUBJECT INDEX 



235 



Haptonemata, 73-4, 149, 150, IX 

 Helix sperm tail, structure, 41-2 

 Himanthalia, 



flagellar spines, 39, IX 

 whiplash tip of flagellum, 13 

 Holomastigotoides flagella, 

 orientation of, 170 

 root fibrils, 73, XIII 

 structure. III 

 Homo, 



centriole of lymphosarcoma cell, 



XII 

 sperm tail, 



dimensions, 14, 16 

 structure, 43-5, 48 

 Hormones, 110-6 

 Hydra, ciliary structure of cnidocil, 



35 

 Hydrogen ions, 95-8 

 Hydroides sperm tail, structure, 26, 



41 

 Hydrostatic pressure 

 and cardiac rhythm, 87 

 and ciliary activity, 86-9 

 5-Hydroxytryptamine, see Sero- 

 tonin 



Inhibition of ciliary activity, 120-4, 



196-7 

 Iodide ions, 98 

 Ions, 95-102 



Kinetodesmata, 28 



Kinetosome, 26 

 duplication, 58-60 

 origin of trichocysts, 60-1 



Laeoplectic metachronism, 1 74, 



175, 189 

 Leishmania flagella, structure, 70 

 Lithium ions, 99-101 

 Locusta scolopale cilium, 



centriole, 52, VI 



roots, 28, 35, 68, VI, XIV 



shaft, 33-5, VI 

 Lophomonas flagella, root fibres, 73 



Lumhricus cilia, 



activity and osmotic pressure, 95 

 roots, 68 



Magnesium ions, 98-102 



and ATP, 108-10 

 Malonate and activity of cilia and 



sperm, 107 

 Mastigonemes, 37, VIII, IX 

 Measurement of ciliary activity, 



77-9 

 Mechanical interaction in meta- 

 chronism, 180-4, 187-8, 

 189-92 

 Mechanism 



of ciliary beat, 151-63 

 of metachronism, 180-90 

 of reversal, 195 

 Melanoplus centrioles, 

 arrangement, 58 

 dimensions, 53 

 Membranelles, 



structure of root fibrils, 28, 61-2, 



64-7, IV 

 structure of shaft, 30-1, IV 

 Membrane of cilia, 1 3 



function, 146-50 

 Membrane potential and membrane 



resistance, 90-3 

 Metachronal wavelength, measure- 

 ment, 79 

 Metachronal wave velocity, meas- 

 urement, 79 

 Metachronism, mechanism, 190-90 

 origin and development, 190-2 

 patterns, functional value, 179-80 

 - patterns, types, 173-80 

 reversal, 193-6 

 waves of beating, 171 

 Metaradiophrya, kinetodesmata, 63 

 Methacholine, 117 

 Methyl cellulose, 84 

 Metridium, 



ciliary activity and 



acetyl choline. 111, 114 

 adrenaline, 111, 115 



