TABLE OF CONTENTS. 



PAQB. 



INTRODUCTORY 177 



Transmittal, 177. Work of the Department, 177. The army-worm, 

 177. Successive broods of the elm-leaf beetle, 177. Notes on the 

 Insects of the Year, 177. Arrangement and classification of State 

 Collection, 177. Preparation and importance of a biological collection, 

 177. Additions to the State Collection, 178. Extent and character of 

 the Tenth Report, 178. Eleventh Report being printed, 178. The pub- 

 lications of the Entomologist, 178. Correspondence, 178. Additional 

 shelving for collections and library, 178. Acknowledgment to the Board 

 of Regents for their aid, 179. 



INJURIOUS INSECTS 181 



■^'Campoxotus Penxsylvanicus " AND "Formica rufa," Carpenter Ant 



and Mound-building Ant i 181 



The large black ant erroneously referred to Camponotus herculaneiis, 

 181. Dr. MeCook questions the reference, 181. Formica rufa not our 

 common mound-builder, 181. Referred to Formica exsectoides by Messrs. 

 Pergande and McCook, 181. The large black ant believed by Mr. 

 Pergande to be Formica subsericea, 182. Comstock refers our mound- 

 builder to Formica exsectoides, 182. 



iiEcPANTHERiA SCRIBONIA, the Great White Leopard Moth 183 



Bibliography, 183. A native species, 184. The egg described, 184. 

 The fii'st four larval stages described, 184. How the larva prepares for 

 molting, 185. The fifth stage described, 185. The final stages of 

 the larva described, 186. Dates of pupation, 186. Table of last trans- 

 formations of forty individuals <;iven, 187. Time occupied in transform- 

 tions, 188. Pupa described, 188. The imago described and var. demi- 

 • dato mentioned, 188. Life-history, 188. Its various food-plants and dis- 

 tribution, 189. An innoxious insect, 189. 



