CONTENTS 



PAGE 



The Opening Address . . . ..... 1 



Lord Adrian 



Studies on the Ultrastructure and Histophysiology of Cell Mem- 

 branes, Nerve Fibers and Synaptic Junctions in Chemoreceptors. 5 

 A. J. D. DE Lorenzo 



Odor Specificities of the Frog's Olfactory Receptors ... 19 

 R. C. Gesteland, J. Y. Lettvin, W. H. Pitts and A. Rojas 



Generation and Transmission of Signals in the Olfactory System . 35 

 D. Ottoson 



Olfactory, Vomeronasal and Trigeminal Receptor Responses to 



Odorants 45 



D. Tucker 



Electrical Activity in the Olfactory System of Rabbits with 



Indwelling Electrodes ........ 71 



D. G. MOULTON 



Electrophysiological Investigation of Insect Olfaction ... 85 



D. Schneider 



The Fine Structure of the Olfactory Receptors of the Blowfly . 105 

 V. G. Dethier, J. R. Larsen and J. R. Adams 



On the Olfactory Sense of Birds . . . . . .111 



W. Neuhaus 



The Fundamental Substrates of Taste ..... 125 



E. VON Skramlik 



Dynamics of Taste Cells . . . . . . . .133 



L. M. Beidler 



Discussion . . . . . . . . . 145 



H. Davies 



The Significance of the Terminal Structure of Afferent Nerve Fibres 149 

 A. Iggo 



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