TOPICS. 389 



1. The Hymenoptera, tlieir wings, jaw?, etc. 2. The Lepidoptera, their wings, 



mouth-parts, tongue, larvie, etc. Butterflies. Moths. 3. The, Diptera, their 



wings, mouth-parts, larvae, etc. 4. Tlie Colcoptera, their wings, jaws, etc. 5. 



The Ilemiptera, their wings, mouth-parts, etc. 6. The Orthoptera, their wings, 



transformations, etc. 7. The Neuroptera, their wings, jaws, larva and pupa 



state, etc. 



SUB-SECTION III. 



The Arachnida general structure. Eyes. Leg8. Changes in coming to 



maturity. Classification. 1. Aranciua or Spiders proper their form, struct are, 



habits, principal kinds. 2. Pedipalpi or Scorpions. Falee-tscorpious. 3. 



Acariua or Mites, Tick*, etc. 



SUB-SECTION IV. 



Myriapoda their form, general structure. 1. Chilopoda. "Earwigs," Centi- 

 pedes, etc. 2. Cuilogn .tha. " Thousand-legs," etc. 



SECTION III. 



SUB-SECTION I. 



The Crustacea as a Class. Shell, Segments, Appendages, etc. Classification 



of the Crustacea. 



SUB-SECTION II. 



The Decapoda as an order. Brachyura. Anomoura. Macroura. Stoma- 



poda, etc. 



SUBSECTION III. 

 The Tetradecapoda as an order. ^Isopoda. Amphipoda. Lffimodipoda. 



SUB-SECTION IV. ^ 



The Entomostraca as an order. Merostomata. Trilobata. Phyllopoda. 



Cladocera. Copepoda. Ostracoda. Cirri pedia. 



SECTION IV. 



SUB-SECTION I. 



The Worms as a Class. Their form and general structure. Classification of 



Worms. 



Sub-sections ii., iii.. iv., v., vi., vii., viii., ix , x., xi., and xii., treat, respectively, 

 of the Dorsibranchiata, the Tubicola, Terricola, Gephyrea, Suctoria, Trematoda, 

 Cestoidea, Turbellaria, Acanthocephala, Nematoidea, and Roiileru. 



