CONTENTS. XV 



Argyroneta aquatica, allegorically typified above, by an armour clad 

 Knight and an aquatic nymph ............. 140 



Her mail-clad opponent his falchion plied. 



The Syren of the Poem, hideous above water, beauteous beneath it, changes 

 under her adversary's thrust into the Water Spider, whose habits the tale 

 is intended to illustrate. Her Knightly foe finds his insect prototype iu 

 the Water Beetle ................. 153 



10. USES OF INSECTS. 



Transformation of the Silk-worm, Bombyx Mori, Eggs, Caterpillar, Cocoon, 



and Male and Female Moths on the mulberry ........ 154 



The Locust after its kind. 



A professor of the culinary art, anticipating the time when Pates de Sauterelles 

 will be considered as great a luxury among the Epicures of our own 

 country, as the Locust is in the present day among certain inhabitants 

 of Syria, Arabia, Persia, Ethiopia, Egypt, and Barbary ..... 171 



11. ON APHIDES. 



On the rose-buds are numerous Aphides, A. Rosa, of the natural size ; in the 

 foreground are individuals of the same, winged and wingless, magnified. 

 In the midst of some small Aphides on a leaf is the leach-like grub of a 

 Scceva Pyrastri, thinning their numbers, and to the right is a winged 

 Fly, the mature condition of the same. Another species of the genus, 

 SccBva balteata, is seen above in different positions on the wing. 

 To the left on a branch of elder, are individuals of the Elder Aphis, 

 A. Sambucaria, beneath which is a magnified representation of the same 

 attended by a Brown Ant, Formica brunnea, procuring a supply of 

 honey-dew ................... 172 



The Larva wolf in the Aphis flock. 



The part of a wolf in sheep's clothing performed by the larva of a Lace-wing 

 Fly, Chrysopa perla, as it makes havoc among a flock of wool-coated 

 Apple Aphides, Eriosoma lanigerum, under cover of their empty skins . 189 



12. INSECT SENSES. 



In the centre is the large green Caterpillar of a Moth, feeding on rose petals ; 



