iv Contents. 



A Comparative Study of Seven Young Arctians, . . 130 



Notes on the Larvae of Lagoa pyxidifera, . . . .160 



New Sawflies (Tenthredininse) with Descriptions of Larvce, 



190 

 Grotk, a. Radclikfk, 



The Correct Title : Noropsis elegans, . . . . -31 



The Classification of the Saturniides, .... 44 



An Attempt to Classify the Holarctic Lepidoptera, by Means of 

 the Specialization of the Wings. Part I. — The Day-Butter- 

 flies, . . . . . . . . . -151 



Havward, Roland, 



Preliminary Hand-book of the Coleoptera of Northeastern 

 America (continued from page 40), .... 133 



LiNELL, Martin L., 



New Genera and Species of North American Curculionidje, . 49 



MacGillivray, Alex. D., 



New Species of Tenthredo, ..... 103. 



Packard, A. S., 



Notes on the Transformations of the Higher Hymenoptera, 



II-III, 77, 109 



ScHAUs, William, 



New Species of Geometridx; from Tropical America, . 161 



Townsend, C. H. Tvler, 



Diptera from the Lower Rio Grande, or Tamaulipan Region of 

 Texas. — I, . . . . . . . . 171 



Locality and Food-Plant Catalogue of Mexican Coccidae, . 178 



Van Duzee, E. P., 



List of Dragonflies taken near Buffalo, N. Y., . . . 87 



Webster, F. M., 



Tenacity of Life in Adults of Cryptorhynchus lapathi, . . 30 



The Protective Value of Action, Volitional, or otherwise, in 

 " Protective Mimicry," ...... 67 



Notes on Various Species of Coleoptera, . . . .201 



Proceedings of the New York Entomological Society, . 97, 205 



