SUBJECT INDEX 



263 



Coleoptera (see Leptinotarsa, Hydrous, 

 DytiscuSy Afelolontha, Geotrupes, 

 Tribolium, Tenebrio) 

 Colour matching, 184 

 Colour vision, 177-90, 213 

 Compound eye, 8 



structure, 162-7 

 Compression receptors, 40-44 

 Contact chemoreception, discrimina- 

 tion, 129-30 



electrical events, 145-9 



modalities, 153-5 



sensitivity, 126-9 



thresholds, 126-39 

 Contact chemoreceptors, 115-16 



categories of, 1 39-45 

 Corethra plumicornis, 58 

 Corixa, 69, 78, 99 

 Culex, 104, 158 



fatigans, 157, 158 



pipiens, 104 



pipiens pollens, 1 04 

 Ciilicidae, 105 



Danaus, 126 

 Daphnia, 191, 192 

 Decticus, 19, 89, 108 

 Deilephila euphorbiae, 165 

 Dendrites, 24, 25, 82, 86, 101 , 1 1 3, 1 1 5, 



163 

 Dioptric apparatus, 196-201, 212 

 Diptera (see Mucina, Eristalis, Droso- 



phila, Stomoxys, Phormia, Calli- 



phora, Musca, Tabanus) 

 Dissosteira, 163, 164, 172 



Carolina, 169 

 Dixippiis, 169, 170, 174, 206 

 Dragonfly (see also Aeschna, Anax, 



Sympetrum, Libellula, Pachydi- 



plax), 44, 45, 51, 52, 68, 173, 174 

 Droposphila, 64, 113, 157, 158, 160, 



163, 165, 178, 179, 180, 183, 187, 



189, 193, 202 

 melanogaster, 159, 160, 163, 181 

 Dytisciis, 57, 69, 165, 169, 172, 175, 



183, 184 

 asciventris, 169, 181 

 marginal is, 69, 154 



Electrolytes, stimulation by, 130-1 

 Electroretinogram, 168-77, 193, 194 



of ocelli, 208 

 Empis, 53 

 Environment, marine, 6 



terrestrial, 1, 6 



Epargyreus, 163 

 Equilibration, 102 

 Erebus, 165 



odor a, 163, 164 

 Eristalis, 109, 170, 174 



Female anal plate, mechanoreceptors 



on, 31, 32 

 Flicker, 171-3, 187, 205, 206, 209, 



213 

 Flying, role of mechanoreception in, 



63-68 

 Form perception, 196-207, 211 

 Formica rufa, 88 

 sanguinea, 56 

 Frequency doubling, 102 

 Galleria, 172 



mellonella, 169 

 Ganglion cells, peripheral, 10 

 Generator potential, 4, 29, 30, 146, 



147, 209 

 Geotrupes, 107, 109, 118 

 sylvaticus, 113 

 vernalis, 113 

 Giant fibres, 7 

 Glossina morsitans, 159, 160 

 Graphiphora, 98 



Grasshopper (see also Gryllus, Locusta, 

 Melanoplus, Schistocerca, Lie- 

 gryllus, Thamnotrizon), 17, 20-22, 

 30, 34, 35, 46, 78, 79, 80, 82, 84, 

 89-94, 114, 115 

 Gravitational force, 1, 26 

 Gravity, responses to, 75-76 

 Gryllus, 19, 100, 101 

 assimilis, 89 

 bimaculatus, 159 

 domesticus, 16, 159 

 Gyrinus, 74 

 marinus, 74 

 natator, 74 



Habrobracon, 118 

 Hair plates, 36-39, 64, 75, 76 

 Hairs, as sound receptors, 100-3 

 Haltere, 16 

 function, 68 

 sensilla, 54, 67-68 

 Hemiptera (see Rhodnius, Aphelo- 



cheirus, Lethocerus, Notonecta, 



Corixa, Nepa) 

 Honeybee (see also Apis), 18, 45, 64, 



75, 76, 109, 114, 118, 120, 125, 



129, 159, 163, 167, 170, 179, 180, 



183, 186, 193,203,204 



