194 



Index. 



Fecundation, 32. 



Fitch, E. A., xiv. 



Fletcher, J. E., 21. 



Forster, xiii. 



Fol, on polar cells, xxviii. 



Food of Cynipidae, 137, 140. 



Forficula auricularia, 77. 



Frank, xiv. 



Furrowed catkin gall, The, 93. 



Gall, aborted, 107. 



dwellers, xii. 



evolution, xxxii. 



flies, breeding of, 5, 9. 



formation, beginnings of, 14, 

 17, 20, 29, 32, 97, 136. 



exciting causes of, xxxviii. 



seats of, xxxiv. 

 Galls, classification of, xxxiii. 



compound, 33. 



defensive characters of, xxxvi. 



duration of life of, xxxix, 19. 



superimposed, 105. 

 Ganglion, abdominal, 114, 120. 

 Geddes and Thomson on polar 



cells, xxvii. 

 Gemmules, xxiii. 

 Generation cycles, xvi. 

 Geniocerus cyniphidium, dd, 79. 

 Geoffroy St. Hilaire, xii. 

 Germogen, xxx. 

 Germ-plasm, alternating, xxxi. 



continuity of, xvi. 



tracts, xxvii. 

 Giraud, xiii, 52. 

 Glands, vaginal accessor}', 143. 

 Globular gall, The, 42. 

 Green velvet bud gall, The, 67. 

 Guest-flies, xii. 



Haeckel, xxiii. 

 Hairy catkin gall, The, 52. 

 Hairy pea gall, The, 25. 

 Hartig, T. von, xii, i, 115. 

 Hartog, Prof. M., xxvi. 

 Hemiptera,78; polar cells in, xxx. 

 Hemiteles areator, 77. 



coactus, 79. 



punctatus, 79. 

 Hertwig, 0.,on polar cells, xxvii. 

 Heterogenesis, 149. 



Homalomyia canicularis, 60. 

 Hop gall. The, 50. 

 Hydroids, xv. 

 Hymenoptera, 78. 



Ichneumonidae, 126. 

 Idants, xxiii. 

 Ids, xxiii. 



Inostemma Boscii, 77. 

 Inquilines in galls, xii, 15, 106. 



eggs of, 127. 

 Intestinal systemofCynipidae, 1 38. 



Kidney gall, The, 81. 

 Knot gall. The, 34. 

 Kraepelin, no, 113. 

 Kupffer, xxx. 



Lacaze-Duthiers, xiii, xxiii, 

 Lammas shoots, 25, 34. 

 Lampronota segmentata, 79. 

 Larva, development of, 147. 



influence of, 100, 104. 

 Larval states, xvii, 143. 

 Latreille, xii. 

 Latridius lardarius, 77. 



transversus, 78. 

 Lepidoptera, 78. 

 Leptoptera appendiculata, xvi. 

 Leuckart, xvii. 

 Leydig, 139. 

 Lichtenstein, J., xiii, xvii, 114, 



143, 150- 

 Life, duration of, in Cynipidae, 



140. 

 Limneria exareolata, 84. 

 Linnaeus, xi. 

 Liodora, 60. 

 Liver-flukes, xvi. 

 Lozotaenia xylosteana, 77. 

 Lubbock, Sir J., 99, 149. 



Macrocentrus marginator, 167. 

 Males absent, xviii. 

 functionless, xiii. 

 Malpighi, Marcellus, xi, xxxviii, 



52- 

 Malpighian tubes, 139. 

 Malpighi's gall, 56. 

 Manderstjernia, 9, 143. 

 Maple gall, The, 159. 



