INDEX TO VOL. I. 



133 



25 



Sexual characters, secondary, 



John Hunter and Chas. 



Darwin . 

 Signoret, Victor, sur les Jas- 



sides . . . xxix 



Silky flocks from Aphides 



and Cicadae . . 14 



Smell, action of scent through 



stomata . . . Ixi 



Solinus, on Locriau fancies . x 

 Song of the Cicada . . ix 



Sounding organs . . Iv 



Spume of the cuckoo-spit, 



nature of the . . 78 



Stenocarenus guttuliferus . 32 



— minutus . . .31 

 Stenocranus fiiscovenosus . 81 



— fuscovittatus . . 31 



— lineolus . . .31 



— longipennis . . 32 

 Stiroma albomarginata . 69 



— affinis . . .70 



— bicarinata . . 73 



— borealis . . .70 



— nigrolineata . . 71 



— pteridis . . .72 



— Frontal tubercles on the 



larval forms . . 74 



Stomata, position of . . xlix 



Strabo, tale of Eunonias and 



Aristomus . . ix 



Stridulation wanting in the 



female Cicadas . . Ixxvi 



Synopsides, Tettigidse . xxxiv 



— Cixiidse . . .24 



— Delphacidse . . 28 



— Idioceri . . .120 



Water Cicada . . Ixx 



Wax from Cicadas . Ixxvii 



— from Cixiidfe . 13, 15 



Westwood, Professor J., and 



Francis Walker . . xxvii 



Wings and atavism . . Ixxiii 



Variability of Tettigidse . 26, 86 



Xenarchus, on voiceless fe- 

 male Cicadae . . Ixxvi 



