TABLE OF CONTENTS. 



Page 



Illustration — Gene Stratton Porter 35 



Gene Stratton Porter 35 



Advice to Beginners 35 



Teachers' Class Suggested — By Prof. Ralph Benton 36 



Wants of a Great Museum — By Henry Skinner, M. D., Sc. D 37 



Why Call it Correspondence Course 37 



Names of Purchasers 38 



Entomological Journals 39 



Wanted 39 



The Guide to Nature 39 



Correspondence Course: Lesson III, The Larva 40 



No Fixed Rule Can be Given 40 



Scientific Works Silent on Subject 40 



When the Larvae Hatch _ _. _ 40 



What if You do not Know the Foodplant 41 



Different Styles of Cages 41 



Molting 42 



Tin Boxes as Cages 42 



Glass Jars With Tin Covers 42 



Trays and Tanglefoot 43 



Rearing Larvae on Growing Plants 43 



The Larvae of Butterflies 44 



Earth in Cages 44 



Bake Earth and Leaf Mold 44 



Letting Larvae Have Water to Drink 44 



Light, Air and Cleanliness 45 



Over Crowding 45 



Collect Larvae 45 



Geometrid Larvae 46 



Diseases of Larvae 46 



Hibernating Larvae 46 



Devastations of Caterpillars 47 



Foodplants in Water 47 



Have Foodplants Accessible 47 



Expensive and Elaborate Quarters 48 



34 



