CONTENTS. 



Page 



Introduction - - - - - - -If 



Elements of Entomology - - - - - 19 



Definition of Insects - - - - - - 21 



Parts of Insects - - - - - - ib. 



Caput, -the Head - - - - - - ib. 



Eyes - - - - - - - ib. 



Antenn/£ - - - - - - - lb. 



Os, the Mouth— Labrum, MandibulEe, Maxillae, Galea:>, Li- 

 gula, Lingua, Ilostmm, Proboscis, Haustellum, Palpi, 



Frons, Clypeus, Vertex, Gula - - 27 — SO 



Truncus, the Trunk— Thorax, Pectus, Sternum, Scutellum 30, 3 1 



Abdomex — Cauda, Aculeus - - - - 33 



Aetus — Pedes, Coxa, Femur, Tibia, Tarsus, Unguis, Ala:", 



Elytra, Halteres . - - - 33—37 



(ECONOMY OF INSECTS 38 



Of the Larva state - - - - - - 40 



Of the Pupa state - - - - - -41 



Of the Imago or Perfect state - - - - 42 



Observations on the different Systems of Entomology - - 43 



Orders and Genera of Linne - - - - - 47 



Order I. Coleoptera - - - - - - ib. 



II. Hcmiptera - - - - - - 60 



III. Lepidoptcra - - - - - 63 



IV. Neuroptera - - - - - 65 



V. Hymenoptera - - - - -66 



VI. Diptera - - - - - - TO 



VII. Aptera 72 



On the Division of Animals from their Organization - - 74 



Division of the Animal Kingdom " - - - - 75 



Characters of the Annvdata - - - - - 76 



Class I. CRUSTACEA.— History - - - - ib. 



Subclass I. Entomostraca - - - - 82 



Subclass IT. Malacostraca - - - - ib. 



Legion I. Podophthalma - - - - ib. 



Order I. BRACHYURA - - - ib. 



Order II. MACROURA - - - 91 



Legion II. Edeiophtiialma _ , - loo 



