Index, 



197 



Spathegaster, Taschenbergi, 



xxxix, 62-67, 82, 86, 95, 



134- 

 tricolor, xxxix, 24, 27, 95. 

 varius, 22. 



vesicatrix, xl, 21, 95. 

 verrucosus, xxxix, 69, 70, 95, 



M5- 



Species, fixity of, xxxii. 



Spencer, Herbert, xxiii. 



Spermatogenesis, xxi. 



Sphaerechinus granulans, xxii. 



Spiculae, 110. 



Spotted bud gall, The, 94. 



Squirrels, xxxix. 



Stalked spindle gall. The, 54, 



Steenstrup, xv. 



Stomach, 138. 



Sycamore gall. The, 161. 



Symbiosis, xii. 



Synergus, xii, 22, 25. 



albipes, 17, 25, 59, 69, 89. 



apicalis, 17, 20, 34, 37, 47, 

 50, 66. 



erythrocerus, 84. 



evanescens, 50. 



facialis, 17, 25, 47, 60, 78, 

 84, 89, 93, 94, 167. 



incrassatus, 30, 35, 39. 



melanopus, 50, 167. 



nervosus, 42, 46, 54, 59. 



palliceps, 46. 



pallicornis, d^y, dd, 69, 81, 

 84, 107. 



radiatus, 17, 47, 60, 94. 



Reinhardi, 167. 



ruficornis, 17, 42, 59, 81. 



socialis, 77. 



Thaumacera, 17, 25, 47, 81, 

 84. 



tibialis, 81. 



tristis, 85. 



Tscheki, 15, 19, 21, 24, 63, 

 69, 85. 



variolosus, 59. 



varius, 81. 



vulgaris, 34, 42, 50, 54, 63, 

 81. 

 Synoptical table of galls, 168. 

 Syntomaspis caudata, 15, 46, 50, 

 78. 



Syntomaspis crinicaulis, 78. 

 cyanea, 66, 69. 

 dubius, 47. 

 fastuosa, 15, 84. 

 lazulina, 63, 66, 69. 



Taschenberg, xiii. 

 Telenomus phalaenarum, 47. 

 Temperature affecting gall-flies, 



141. 

 Teras amentorum, 59. 



terminalis, xxxiii, 73, 74, 75, 



76, 95, 134. 

 Terebra, no. 



tactile hairs of, 119. 

 Tetrastichus atrocaeruleus, 18. 



diaphantes, 77. 



quercus, 30. 

 Thrips, 78. 

 Tit-mice, xxxvii. 

 Tortrix, 18, 77. 



Torymus abdominalis, 18, 47, 

 63, dd, 6g, 77, 78. 



admirabilis, 79. 



amoenus, 30, 84. 



appropinquans, 78. 



auratus, 15, 18, 44, 47, 60, 



78, 93- 

 autumnalis, 78. 

 cingulatus, 78. 

 confinis, 78. ' 



corticis, 39. 

 cyniphidum, 78. 

 elegans, 63. 

 erucarum, 30, 

 flavipes, 84. 

 fuscicrux, 21. 

 geranii, 21. 

 hibemans, 15, 19. 

 incertus, 18, 63, 79. 

 inconstans, 21, 50, 77, 78. 

 leptocerus, 78. 

 leucopterus, 78. 

 longicaudis, 78. 

 minutus, 78. 

 muscarum, 78. 

 mutabilis, 21, 77, 78. 

 nanus, 78. 

 nobilis, 30, 35, 73. 

 propinquus, 78. 

 pubescens, 69. 



