X CONTENTS. 



Page 



Seeing one object with multiplying eyes, 123 



Illustration from birds, 124 



Various positions of the eyes of spiders, 125 



The coronet eyes of bees, 127 



Experiments by Reaumur, ib. 



Double eyes of the whirlwig, 128 



Experiments of Leeuwenhoeck, 129 



Structure of the eyes of bees, 130 



Mr Herschell's opinions on vision, 132 



Researches of Miiller of Bonn, 133 



SECTION II. — FOOD OF INSECTS. 



Division of insects according to their feeding organs, 142 



CHAPTER VI. — Eating Insects. 



The jaws of insects, 144 



Jaws of insects do not indicate their food, 145 



Illustration from the stag-beetle and the earwig, ib. 



Method of entrapping earwigs, 147 



Cannibalism of earwigs, ib. 



Similar propensities of crickets, 148 



Experiment relative to this, 149 



Tree-hoppers (^Cicada) do not live on dew, 150 



Locusts do not chew the cud, 131 



Voracity of the cockroach, 152 



Cannibalism of the mantis, 154 



Singular form of the mantis, 166 



Illustration from the rabbit, 157 



Dragon flies, 158 



Inappropriate names^ 159 



Voracity of termites, 160 



Smeathman's account, 161 



Verified by Ksempfer and Percival, 164 



Attack upon a ship of the line, 167 



Attack upon the piers at Bridlington, 168 



CHAPTER VH. — Lapping Insects. 



Manner in which quadrupeds lap, 170 



Lapping of ants, ib. 



Tongue of the bee and its sheath, 171 



Muscles of the bee's tongue, 172 



Form adapted to the nectaries of flowers, l74 



Difiference in the structure of wasps, 176 



CHAPTER VIII. — Sucking Insects. 



Structure of the suckers in insects, 177 



Sucker of aphis quercus, 178 



