238 



SUBJECT INDEX 



control of activity, 120-1 

 metachronism, 145, 191-2 



rate of transmission, 181 

 movement 



and acetyl choline, 114-5 

 adrenaline, 115 



effect of cuts between cilia, 125 

 electric currents, 89-91 

 oxygen lack, 103 

 pH, 97 



pressure, 86, 88 

 viscosity, 83 

 reversal of beat, 193, 195 



effect of microdissection on, 



125 

 with cations, 98-9 

 with electric currents, 89-91 

 structure, 



cartwheel of fibres in basal 



body, 27, 55 

 dimensions, 14, 16, 172 

 kinetodesmata, 62, 68 

 thigmotactic inhibition, 121, 197 

 Paramecium trichocysts, 28 

 Pecten^ 



gill cilia and pH, 96 

 sense cells of the eye, 33 

 Pectinatella, ciliary root fibrils, 68 

 Pedinomonas, flagellar root fibrils, 



69 

 Perameles sperm tail, 

 dimensions, 14, 16 

 structure, 43, 45-8 

 Peranema flagella, 

 movement, 137 



frequency of beat, 1 60 

 propagation of the contraction 

 wave (rate), 160 

 regeneration, 52 

 structure, 



dimensions, 14 

 fiimmer filaments, 37, VII 

 intraflagellar material, 39, VII 

 root fibrils, 70-1 

 sheaths around shaft, 40, VII 

 Peripheral fibrils of cilia, 17-21 

 functions of, 146-51, 153-63 



Peritrich ciliate stalk structures, 



35-6 

 Philodina cilia 



and ATP-ase activit}^ 108 



root fibres, 28, 68 

 Physa, nervous control of cilia, 1 24 

 Physostigmine {see Eserine), 117 

 Pilocarpine, 117-8 

 Pleurobrachia comb-plates, 



antiplectic metachronism, 176-7 

 rate of transmission, 181 



structure of ciliary root fibres, 68 

 Polyacrylamide, 84 

 Polytoma flagella, 



and acetyl cholines terase, 114 



and ATP-ase activity, 108 



chemical nature, 28 

 Potassium ions, 98-101 

 Pressure, see Hydrostatic pressure 

 Procentriole, 59-60, XII 

 Proteus, (bacterial) flagellar struc- 

 ture, 75 

 Psammechinus sperm tail, 



basal body, 54 



chemical nature, 29 



dimensions, 14 



structure, 41, X 



tip of shaft, 22 

 Pseudotrichonympha flagella, 



basal body, 27, 54-5, I 

 cartwheel of fibres, 27, I 

 dimensions, 53 



central fibrils, 17 



connections of shaft to body 

 grooves, 39-40 



orientation of flagella, 170 



secondary filaments, 21 



tip of shaft, 22, III 



transition zone, 24, I 

 Pteridium sperm, 



ciliary basal body, 53, 56 



ciliary dimensions, 14 



fibrous band around basal bodies, 

 70 



mitochondria, 41 



