296 
INDEX TO SUBJECTS. 
PAGE 
Pilose covering in Membracidae .......... 14, GO, 235 
Pronotum ................ 13 
Rosenberg on the flight of Membracidae . . . . . . . . . .160 
Scheller, H. J., observations on pupa; and larvae ......... 24 
Smiliinae, catalogue of ............. 218 
Sterility a test of specific value . . . . . . . . . . . .115 
Subfamilies of Membracidae: 
Membracina; .............. 29 
Hoplophorinae .............. 83 
Darninae ............... 106 
Tragopinae ............... 155 
Smiliinae ............... 159 
Oentrotinae ............... 222 
Tegmina and Wing-neuration, &c. . . . . . . . . . . . .16 
Useless or effete organs .............. 68 
Utility not the only cause of colour or form . . . . . . . . . .154 
Variation, heredity, mimicry, remarks on ......... 151,273 
Finis. 
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