Index. 



'95 



Mathiolus, xi. 



Mayr, Prof. G., xiii, 159-162. 



Medusae, xvi. 



Megastigmus Bohemanni, 78. 



dorsalis, 15, 34, 37, 42, 44, 

 5O' 59» 63, 77, 78. 



stigmaticus, 167. 



xanthopygus, 78. 

 Mesopolobus fasciiventris, 47, 



50, 79, 81. 

 Metagenesis, xiv, 149. 

 Metempsychosis, x. 

 Metenteron, 13S. 

 Meteorological conditions, effects 



of, 14. 

 Methods, experimental, 7, 10. 

 Microdus rufipes, 79. 

 Microgaster, 77. 

 Microtypus Wesmaelii, 79. 

 Minot, C. S., xxvii. 

 Mivart, St. George, on natural 



selection, xxxv. 

 Mouth, parts of, 137. 

 Muscles, III. 



Natural selection, influence on 



gall-flies, xxxiv. 

 Nematus Vallisnierii, 99, 150, 



ventricosus, 150. 

 Neuroptera, 78. 

 Neuroterus, 8, 9, 130, 146. 

 albipes, 19. 

 Aprilinus, 85. 

 baccarum, 15, 

 farunculus, 85. 

 fumipennis, xxxiii, 18, 22, 



23,24, 27, 95, 123, 131. 

 laeviusculus, xxxiii, 18, 19, 



20, 23, 25, 95, loi, 113, 



114, 116, 131. 

 lenticularis, xviii, xxxi, xxxiii, 



4, 5, 9, 11,13, 15, 17. 21, 



22, 23, 25, 95. 

 Malpighii, 9. 

 numismatis, xxxiii, 20, 21, 



22, 25, 95._ 

 ostreus, xxxiii, xxxviii, xl, 



84,. 85, 95. 

 parasiticus, 42, 63. 

 pezizaeformis, 18. 

 Reaumuri, 20. 



Neuroterus tricolor, 24. 

 vesicatrix, 21. 



Nitidula grisea, 77. 



Noctua, 77. 



Nucleus, changes in, xx. 



Oak-apple, 77. 

 Oblong plate. The, iii. 

 Odours, defensive, xxxvii. 

 Olinx debilis, 60. 



euedoreschus, 79. 



gallarum, 60. 



scianeurus, 47, 79. 



trilineata, 35, 50, 91, 93. 

 Olivier, xii. 

 Oozoon, xxvii. 

 Orchestes quercus, 77. 

 Orthoptera, 78. 

 Orthostigma gallarum, 63. 

 Osten-Sacken, Baron C. R., xiii, 



2. 

 Ovaries, 141. 

 Oviposition, 12, 72, 82, 115, 



117, 118. 

 Ovipositor, 26, 27, 130, 132. 

 Owen, R., xv. 

 Oyster-gall, The, 85. 



Paget, Sir James, on galls,xxxvlii. 

 Palpi, 27, 138. 



Pangenes, of De Vries, xxii,xxiii. 

 Parasites, xii, 15. 

 Parthenogenesis, I, 3, 150. 



evolution of, 154. 



in Saw-flies, 151. 



male, xx, xxii. 



value of, xix. 

 Pediaspis aceris, 159, 



sorbi, 159. 

 Penis, 142. 



Pentatoma lurida, 77. 

 Pezomachus gallarum, 15. 

 Pheasants, xxxvi, 

 Phylloxeridae, xviii. 

 Physoevria, 77, 

 Pimpla altemans, 79. 



calobata, 79. 



caudata, 79. 

 Pimplidae, 77, 122. 

 Pink wax gall, The, 84. 

 Plastidules, xxiii. 



2 



