TABLE OF CONTENTS. xi 



Cicada septendecim, the Seventeen-year Locust 167 



Bibliograph5% 167-8. Its appearance in Western New York, 

 in 1882, 168. The long period required for its development, 168. 

 Why the insect is seen almost annually, 169. A thirteen-year 

 brood, 169. Number of broods in the United States, 170. 

 Broods appearing in the State of New York, 170-1. Notice of 

 the 1 865-1 882 brood in New York, 172. Time of the appearance 

 of the insect, 173. Its life-history, 173-4. Its music and means 

 by which produced, 175. The trees attacked by it, 176. Injuries 

 to vegetation, 176. The enemies that prey upon it, 177. Checks 

 to its multiplication, 178. Preventives, 178. Destroyed by a 

 fungus, 178, 179. How is the fungus propagated? 179. 



Chermes pinicorticis, the Pine-bark Chermes 180 



Synonymy and bibliography, 180. Its general appearance, 180. 

 The secretion enveloping it, 180. Similar secretions by other 

 Ap/ndidcF, iS,i. The insect and its changes, illustrated, 182. His- 

 tory, and mistakes made regarding the species, 183. Other spe- 

 cies of Chermes, 184. Injuries to trees attacked, 185. Natural 

 enemies that prey upon it, 186. Remedies : crushing with a 

 brush or cloth ; whale-oil soap solution ; perchloride of mercury, 

 187. 



ORTHOPTEROUS AND NEUROPTEROUS INSECTS. 

 Chimarocephala viridifasciata, the Green-Striped Locust .... 187 

 Synonymj^ and bibliography, 187-8. Midwinter appearance of 

 the insect, 188. Its appearance in Genesee and Westchester 

 counties, 189. No cause for alarm, 190. The attendant meteor- 

 ological conditions, 190. Description of the insect, 191. Dimor- 

 phic forms, 191. Number of names under which described, 192. 

 Habits and natural history, 192. Method of oviposition, 192. 

 The molting operation, 193. The operation illustrated, 194. A 

 double-brooded species, 195. Other double-brooded species no- 

 ticed, 196. Remedies : those employed against the Rocky moun- 

 tain locust, and a mixture of bran, arsenic and sugar, 197. 



Atropos divinatoria 198 



Synonymy and bibliography, 198. Remarkable occurrence of 

 the insect in a bed-room, 198. Recommendations for its destruc- 

 tion, 199. Particulars of the invasion, 199, 200. The possible 

 source of the insects, 201. Description and figures, 201-2. Hab- 

 its of the family of Psoct'dce, 202. The " death-watch," an allied 

 species, 202. Literature of the Psocidcc^ 203. 



AcHORUTES nivicola, the Snow-flea 203 



Synonymy and bibliography, 203. Occurrence at Port Jervis, 

 N. Y., 203. Remarks of Dr. Fitch upon its habits, 204. No- 

 tices of its observation, 204. Description of the in-sect, 205. 



