﻿TABLE OF CONTENTS. VII 



EocKY Mountain Locust — Continued. 



the Eggs, 104^Experiments to test the Efl'ects of burying at different Depths and 

 of pressing the Soil, ]04 — Experiments to test the Effects of Exposure to the free 

 Air, 104 — The Omaha Conference, lOG— Remedies and Suggestions, 108 — Destruction 

 of the Young or unfledged Locusts, 108 — Protection of Fruit Ti-ees, 110— Legisla- 

 tion, 111 — Act passed by the Missouri Legislature, 111— Acts passed by the Kansas 

 Legislature, 112 — Act providicg for the Destruction of Locusts in Minuesota, 114 — 

 Area in whicli Eggs were laid, 110— Condition of Eggs, 117 — Temperature of tlie 

 Winter of 1876-7, 120— Prospects for 1877, 131. 



INNOXIOUS INSECTS. 

 Thk Hellgrammite 125 



Its curious Egg-miss described, 126 — Resembling Bird-dung at a distance, 126 — Where hiid, 

 127— The Egg-burster, 127— Characters and Habits of the newly hatched Larva, 127— 

 Difficulty in rearing It in still Water, 128— The Eggs that have been hitherto mistaken 

 for those of Corydalus, 123— Tliey are probably those of Belostoma grandis, 128. 



The Yucca Borer..... 129 



It is single-brooded, 120— Will tlirive in the latitude of St. Louis, 129— The larva molts, 

 quite often, 129. 



