LIST OF GENERA AND SPECIES. 



XVII 



Slphonophora lactueae, Linn., viii,60. 



polygoni, Walk., viii,62. 



salieicola, Thos., viii,6.'?, 192. 



verbenas Thos., viii,63. 



rubi, Kalt., viii,64. 



pisi, Kalt., viii,64. 



gerarfMa?.,Thos., viii, 65. 



heuohei-ffi, Thos., viii, 66. 



cucurbitffi, Thos., viii, 67. 



tanaceti, Linn., viii, 68. 



fragariff', Koch., viii, 68. 



mentha:', Biu^kton, viii, 68. 



absinthii, Linn., viii, 69. 



aehyrantes, Moneil, viii, 187. 



calendula?, Monell, viii. 190. 



calendulella. Monell, viii, 188. 



crattBgi, Monell, viii, 189. 



fragarijp, Koeh, var. immaculata, Riley, 

 viii, 191. 



liriodendri, Monell, viii, 189. 



sonchi, Liun., viii, 189. 



tulipiv, Monell, viii, 188. 

 Phorodon, viii, 69. 



humuli, Schrank, var. mahaleb, Fonse., 

 viii. 72. 



scrophularijE, Thos., viii, 72. 

 Myzus, viii, 74. 



Qerasi, Fabr., viii, 75. 



persieae, Sulzer, viii, 76. 



ribis, Linn., viii, 76. 

 Drepanosiphum, viii, 78. 



acerina. Walk., viii, 78. 



quereifolii, Walsh, viii, 79. 



acerifolii, Thos., viii, 47 (Siphonophora 

 aeerifolise): viii. 47, 



tiliff, Koch, viii, 188. 

 Megoura, viii, 73. 



solani, Thos., viii, 73. 

 Rhopalosiphum, viii, 79. 



dianthi, Schr., viii. 80. 



tulipjp, Thos., viii, 80. 



berberidis, Kalt., viii, 81. 



rhois, Monell. viii, 194. 



salicis, Monell, viii, 194. 

 Aphidini,viii,83. 

 Siphoeoryne, viii, 83. 



pastinacffi, Linn., viii, 84. 

 Aphis, viii, 84. 



mali, Fabr., viii, 85. 



malifolia?. Fitch, viii, 86. 



pruni, Koch, viii, 87. 



rumicis. Linn., viii, 88. 



eircEBzandis, Fitch, viii, 89. 



maidis. Fitch, vii,75, 



brassicfB, fjnn, viii,91. 



cerasofoliiB. Fitch, viii, 93. 



apocyni, Koch, viii, 94. 

 nerii, Fonsc. viii. 95. 

 diospyri, Thos., viii, 95. 



viburni. Scop., viii, 96. 

 vornoniae, Thos., viii. 97. 

 eephalanthi, Thos., viii, 97, 192. 

 impatientis, Thos., viii, 98. 

 symphoricarpi, Thos., viii, 99. 

 —11 



Aphis middletonii, Thos. viii,99. 



carduella, Walsh, viii, 100. 



sambnci, Linn., viii,100. 



cornifoliEe, Fitch, viii, 101, 193. 



cratasgifoli. Fitch, viii, 101. 



medicaginis, Koch, viii, 101, 192. 



amygdali, Blanch., viii, 102. 



populifolia?. Fitch, viii, 102. 



pinicolens, Fitch, viii, 102. 



atriolicis, Linn., viii, 193. 



cucumeris, Forbes, xii,83. 



helianthi, Monell, viii, 194. 



hyperici, Monell, viii, 193. 



luteseens, Monell, viii, 191. 



caryella. Fitch, viii, 170. 



fumipenella. Fitch, viii, 171. 



maeulella. Fitch, viii, 171. 



marginelliis. Fitch, viii. 171. 



pnnctatella. Fitch, viii, 171. 

 Hyalopterus, viii, 82. 



prnni, Fabr., viii, 82. 



aquilegias Koch, viii, 83. 

 Chaitophorus, viii, 103,200. 



negundinis, Thos., viii, 103. 



populicola, Thos., viii, 103. 



lonicera, Monell, viii, 104. 



viminalis, Monell, viii, 105, 200, 



salieicola, Monell, viii, 105. 



candicans (?), viii, 105, 



quercicola, Monell, viii, 201. 



smithias, Monell, viii, 200. 

 Myzocallis, viii, 105. 



bella, Walsh, viii, 106. 



hyperici, Thos., viii, 108. 

 Lachuini, viii, 114. 

 Lachnus, viii, 115. 



salieicola, Uhler, viii. 115. 



dentatus, LeB., iii, 138; viii, 116. 



carya?, Harr., viii, 116. 



strobi. Fitch, viii, 117. 



laricifex. Fitch, viii, 117. 



abietis. Fitch, viii, 117. 



alnifoliaj. Fitch, viii, 118. 



quei-cifoliJE, Fitch, viii, 1118.. 



salicelis. Fitch, viii, 119. 



ulmi, Linn., viii, 119. 



populi. Linn., viii, 119. 



longistigma, Monell, viii, 119.. 

 Phyllaphis, viii. 120. 



fagi, Linn., viii, 120. 

 Sipha, viii, 120. 



rubifolii, Thos., viii, 121. 



maydis. Pass., viii, 122. 

 Callipterus, viii, 109, 195. 



betuteeolens, Monell, viii, 198. 



ulmicola, Thos., viii. 111. 



quereifolii, Thos., viii, 112. 



eastaneae. Fitch, viii, 114. 



asclepiadis, Monell, viii, 197. 



bella, Walsh, 197. 



carya?, Monell, viii. 199. 



discolor, Monell, viii, 198. 



hyalinus, Monell, viii, 198. 



punctata, Monell, viii, 198'. 



