XXli TABLE OF CONTENTS. 



(B.) mSBCT DEPEEDATOES UPON THE APPLE-TEEE.. 337 



One hundred and seventy-six species recorded : tlie list incomplete : 

 not all tlie species injurious : authorities given : Diurnals and SpMngidoR, 

 327. Bombycidw and Noctuidce, 328. Oeometridce. to Tiiieidm, 329. (At- 

 tack upon Lindens, in Brooklyn, by the snow-white linden-moth, 329.) 

 Hymenoptera, Diptera and Coleoptera, 830. Coleoptera contin. , and 

 Hemiptera, 331. Orthoptera, 332. 



(C.) DESCEIPTIONS AND NOTES OF LEPIDOPTEEA ... 333 

 On Some Species of Nisoniades 333 



Nisoniades Ncevius described, 333. Nisoniades Petronius described, 

 334. Notes upon Nisoniades Propertius and JV. Icelus, 335. A sexual 

 feature in the males of some species, 336. Nisoniades Somnus described, 

 336. Notes upon Eudamus Proteus and Eudamus Nevada, 337. 



Description of a New Species of Eudamus 338 



Eudamus Electra described as a new species, from Hamilton, Ontario, 



338, 339. 



On the Life-Duration of the Heterocera (Moths) 339 



Limited knowledge of the life-duration of the perfect stage of inspects, 



339. Necessarily a difficult subject of investigation, 339. Observations 

 made upon a species in confinement, unsatisfactory, 340. Extent to 

 which entire broods of Lepidoptera have been reared, 340. Ignorance of 

 the copulation of the Noctuidw, 340. Life-period of the Attacince, 

 SphingidcB and Phalcenidce, 340. Length of time that species are observed 

 abroad, an approximation to their life-period, 340. Species of Noctuidas 

 that have been observed for about one month, 340 : the probable life- 

 duration of these, 341. A longer period in Catocala, Xylina, and others, 

 341. Desirability of collation and publication of dates of collection or 

 observation, 341. Benefits that would result from such knowledge, 341. 



(D.) ADDENDA 343 



Increased production of pyrethrum insect i^owder, 343. Paraflane as 

 an insecticide, 343. The fly produced from the " screw-worm '" ascer- 

 tained, 343. Remedy for the cockroach, 343. Addition to HeliotMs 

 armiger bibliography, 344. Notes upon Bucculatrix pomifoliella, 344. 

 The pupa of Meromyza Americana, 344. Method of protection of 

 grape-vines from the rose-beetle, 344. 



GENEEAL INDEX 345 



INDEX TO FOOD PLANTS 379 



