ub, 



CONTENTS, 



SECTION I. SENSES OF INSECTS, 



Page 



Difficulty of the subject . . . ! 



Mistakes from hasty inferences . 



CHAPTER I. SENSE OF TOUCH. 



The organs of touch . . . .4 



The legs of spiders . . >% 



Spiders depend on other senses 



The spinneret, an organ of touch .... 6 



The claws . 7 



The cushioned feet of beetles and flies . . 8 



The feelers (palpi} or an tennules . .9 



Similar organs'in birds and fish . . . ib. 



Opinions of Bonsdorf and Lehmann . . . 10 



The wings as organs of touch ...... 12 



Facts from the clouded' butterfly 



Similar facts from the bat . . . . . . 14 



Origin of the proverb "blind as a beetle" . . . . 



Sense of heat in insects .16 



Spiders said to predict weather . . 17 



Objections to this from facts. ib. 



Night appearance of spiders ... . . . 18 



Appearance of insects at certain hours. . . 20 



Experiments of Decandolle ... . . . 20 



Influence <pf electricity ....... 21 



Opinion of Kirby objected to ...... 22 



CHAPTER II. TASTE IN INSECTS. 



The organs of taste 23 



Rigidity of the tongue does not disprove taste ... ib. 



Delicacy of taste in some insects . . . , . 24 



Instanced in the midge and in the breeze-fly ... 26 



In the harvest bug 27 



In a parasite mite . . 28 



Parasites leave an animal previous to death * . 29 



Ply poisons . . 30 



Bees gather honey from poisonous flowers . . 31 



History of poisonous honey '.... 32 



Poisonous-British honey ....... 35 



Illustration -from oxalic acid ...... 36 



Moisture in the human organs of taste . . . . 37 



Curious procedure in the fly ...... ib. 



Salivary yessels in insects , t . . . 3$ 



erer 



PS K y CT rs fa r r~ 



lvR$o^.'^.5o 



