XIV TABLE OF CONTENTS. 



Chap. I'Of!'^ 



VIII. Ofthe Alimentary Canal, or Organs of Digestion ]« 



IX. Of the Organs of Circulation H7 



X. Of the Organs of Respiration 15'2 



XI. Concluding Observations 15C 



BOOK III.-CLASSIFICATION OF INSFXTS. 



I. Classifica^tion of Insects in general . . . 163 



II. Lepidoptera 173 



III. Diptera 181 



]\'. Hymenoptera 198 



V. Coleoptera 218 



VI. Orthoptera 239 



VII. Hemiptera 242 



VIII. Neuroptera 246 



IX. Of Ticklers, Bee- Parasites, 



Fleas, Thysanura, Anop- 

 lura; and concluding Obser- 

 vations 250 



BOOK IV.-PllESF.nVAXION OF INSECTS. 



I. Apology for the Collector of Insects . . . 259 

 II. Of the Dress and Instruments for the collection 



of Insects 262 



III. Of capturing Insects 268 



IV. Of killing and setting Insects 274 



V. Of Entomological Cabinets 282 



VI. Of Entomological Books 287 



VII. Of investigating Insects 294 



VIII. Of Entomological Societies 298 



