CONTENTS 



OF 



ELEMENTS OF NATURAL HISTORY. 



VLMEJ[I. 

 BOOK VI. 



(Third Branch of the .Animal Kingdom; Articulated Animals.) 



ENTOMOLOGY; THE NATURAL HISTORY OF INSECTS. 

 LESSON I. 



General Considerations Structure of Articulated Animals Division 



of the Third Branch of the Animal Kingdom. 

 Class of Insects Organization Metamorphosis Classification. P. 9 29 



LESSON II. 



Aptera Order of Thysanoura. 



Order of Parasita Louse Ticks. 



Order of Suctoria Flea Chigre. 



Order of Coleoptera Characters Division Pentamerans Cicln.. 

 LHi Carabus Gyrinus or Water-beetle Fire-flies Glow-worm 

 Borers Dermestes May-bugs Scarabeus Heteromerans 

 Blisterinsj-flies Teteramerans Weevils Trirnerans Lady-bug. 



Oraer of Orthoptera Characters Earwigs Mole-crickets Crick- 

 ets Grasshoppers Migratory Locusts P. 30 40 



LESSON III. 

 Order of Hemiptera Organization Division Bed-bug Locust 



Plant-lice Cochineal Insect. 



Order of Neuroptera Dragon-flies Ephemera White Ants 

 Order of Lepiaoptera Division Butterflies Sphinx Bom by x 



Silk-worm Tinese P. 4151 



LESSON IV. 

 Order of Hymenoptera Organization Ichneumon-fly Galls 



Wasps Hornets Ants Bees. 

 Order of Rhipiptera. 



Order of Diptera Mosquitoes Flies CEstrus. 

 Class of Myriapoda Scolopendra P. 52 60 



ARACHNIDANS, OR SPIDERS. 

 LESSON V. 



Class of Arafhnidans Organization Habits Classification. 

 Arachnida Pulmonaria Araneidse or Spinners Mygale Mason 



Spider Aranese Sedentariae Araneae-Vagabundae Tarentula 



Scorpions. 



1* (v) 



