Index 107 



Tactile sensilla, of insects, 68 



Terzuolo, 53 



Thoracic tactile hairs, of crayfish, 



59. 8i 

 Tonic sensory neurons, i6 

 Transducer locus, 85 

 Treat, 13 

 Tuberous receptors, of Mormyrids, 76 Yamashita, 35 



Volume conductor, impulse recording 

 in, 79 



Wald, 62 



Washizu, 53, 61, 72 

 wolbarsht, 52, 58, 68-69, 71. 84 



Ultrasonic energy, reception of, 1 1 

 Voltage amplifiers, 3 



ZONANA, 94 

 ZOTTERMAN, lO 



