280 



EXPLANATORY INDEX. 



History of Insects, 1 ; musquito, 

 3; ichneumon, 8; earwig, 10; 

 locust, 12; ant-lion, 14; silk- 

 worm, 17 ; hreeze-flies of horse, 

 25 ; of the sheep, 29 ; of the ox, 

 30 ; honey bee, 33 ; yellow ant, 

 4 1 ; slave ants, 50 ; sexton bee- 

 tle, 53 ; white ant, 57 



Honey bee, history, 33 



Honey, produced by the bee, 87 



Hop-fly, its extraordinary destruc- 

 tive powers, 87 



Horses nibbling each other, show- 

 ing by what means the egg of 

 the bot is taken into the stomach 

 figured, 27 



Horse-flies, Hippoboscites, an or- 

 der of Diptera, 229 



Humming birds, some species of 

 hawk-moths thus designated, 

 101 ; figured, 101 



Hydrometra, a genus of Hydro- 

 metrites, figured, 266 



Hydrometrites, an order of He- 

 miptera, 266 



Hydrophilites, an order of Cole- 

 optera, 254 



Hydrous, the great water-beetle, 

 a genus of Hydrophilites, 254 ; 

 figured, 133 



Hylotomites, an order of Hyme- 

 noptera, 243 



Hymenoptera, the third class of 

 insects, distinguished by having 

 four membranous wings without 

 scales, 77 ; mode of collecting, 

 104; classification, 230 



Hypoj)harynx, a valve attached to 

 tlie interior surface of the upper 

 lip : its office is to close the 

 throat, 159 



Ichneumon, history of, 6 ; figured 

 on a caterpillar, 8 



Ichneumonites, an order of Hy- 

 menoptera, 240 



Imago, the last and adult stage of 

 an insect's life, 2 ; figured, 5 



Immarginatiis , English-latin word, 

 meaning without a margin, 129 



Ink, produced principally from 

 galls caused by an insect, 86 



lusectum, insecte and insect, de- 

 iivation of the terms, 145 



Insertio of maxillae, its lowest por- 

 tion adjoining the head, 161 ; 

 figured, 1, 159 



Insertio of labium, its lowest por- 

 tion adjoining the heaxl, 160; 

 figured u 1, 159 



Investigating insects, directions 

 for, 127 



Ipsites, an order of Coleoptera,263 



Isomorpha, insects which continue 

 active and voracious, and of a 

 similar form throughout their 

 existence, for instance Orthop- 

 tera and Hemiptera, 77 



Kermes, a brilliant scarlet die, an 

 insect inhabiting the South of 

 Europe, 86 



Killing insects, directions for, 113 



Labipalpi, the feelers borne by the 

 labium, 160; figured, 159, u 



Labium, the lower lip in insects, 

 154 ; figured, 159, u ; all the 

 parts thus marked belong to the 

 labium 



Labrum, the upper lip in insects, 

 159 ; figured, 153, a 



Lace-winged flies, Hemerobiites, 

 an order of Neuroptera, 269 



Lady-birds, Coccinellites, an order 

 of Coleoptera, 257 



Laetus, implies that a colour is 

 very bright, 175 



Lsevigatus, when the surface is 

 perfectly smooth, without de- 

 pressions or elevations, 176 



Laevis, same as laevigatus, 176 



Lacinia, the blade of the maxillas 

 being the fourth or apical por- 

 tion, 162; figured 161, m4 



Lamellatae, (antennae) when the 

 apical portion only is flabellate, 

 156; figured 156,9 



Lamellicornes, the Linnaean genus 

 Scarabaeus, so named from the 

 lamellated antennae, 157 



Lampyris, glowworm, a genus of 

 Lampyrites, figured, 249 



Lampyrites, an order of Coleopte- 

 ra, 249 



Lanceolata, (lacinia) when straight, 

 flat and gradually decreasing to 

 a sharp point, 162 



