192 
INDEX. 
PAGE 
PAGE 
Drepanosipliuni aceris, Koch . 
185 
Larva . 
82, 84 
— platanoides . 
183 
Legs, parts of . 
30 
Duvau on the Apliis-epoch . 
3 
— circulation in 
36 
Leon Hufour, circulation 
in 
Ehrenburg and Hemprich on 
insects 
37 
manna of Tamaris 
42 
Life-history and metamor- 
Endurance of extreme cold in- 
phosis 
70 
— Aphides . 77, 104, 108 
Linnseus on number of species 
6 
— insects in general . 
78 
— difficulty in describing 
Etymology 
5 
Aphis 
• 
6 
Eyes, simple, compound, sup- 
— on honey dew 
• 
56 
plementary 
15 
— Aphides visited by Ants 
56 
Exuviation . 85, 105, 
135 
Males, observation on the 
89 
Foreshortening by the camera 
ii 
Markwick on Aphides 
, 
116 
Megoura vicise . 
• 
188 
Galls, formed by Aphides 
50 
Mesothorax and adjuncts 
• 
19 
■ — juice of, used as an eye- 
Migration 
72, 167 
wash 
44 
Morphology 
, 
75 
Goedaert, intercourse between 
— of ovum, larva, pupa, and 
Ants and Aphides 
49 
imago 
76-88 
Green dolphin . 
134 
— of young of Aphis . 
• 
83 
Growths, periods of 
108 
Morren on Aphis persicse 
58 
Moulting 
83, 85 
Hartig on Aphis 
57 
Mouth, parts of 
• 
17 
Hausmann 
57 
Muller, Fritz, on the use 
of 
Head and adjuncts 
13 
ocelli . 
g 
16 
Hepatic vessels 
33 
Myzus cerasi . 
g 
174 
Hermaphroditism, presumed. 
— gracilis 
176 
in Aphis . 
68 
persicse 
, 
178 
Honey dew — 
— ribis . 
g 
180 
' — analysis of . 
42 
‘ — Boussingault on 
41 
Nectary, use of 
• 
23 
— Hooker on . 
41 
Newport on ova and males of 
— Kirby and Spence on 
39 
Aphis 
65, 106 
— local names for 
44 
Hop duty affected by Aphides 
169 
Oviparous females 
90. 
Huxley on multiplication of 
Ovum, description of . 
76 
Aphis 
79 
— ■ great size of 
77 
— on somites of Aphis 
20 
— presumed growth of, 
He 
Hybernation . 
76 
Geer 
55 
— Nematus ventricosus. Yon 
Imago .... 
85 
Siebold 
55 
Increase, rate of 
80 
— transparent by olive oil 
130 
Kaltenbach on classification . 
60 
Parasites of Aphis 
117 
• — on cornicles 
24 
— Aphidius cancellatus 
111 
Kirby and Spence on honey 
Ceraphron Carpenteri 
117 
dew 
39 
— Ephedrus plagiator 
117 
Koch on classification 
63 
Passerini on classification 
65 
Kyber, researches on Aphis . 
58 
Pemphigus, galls made by 
44 
— duration of viviparism 63, 84 
Phorodon galeopsidis . 
171 
^ on effects of low tempera- 
— humuli 
166 
ture . » 
106 
— malaheb 
168 
