IV 
Hagen, H., M. D. Page 
Observations on certain N. A. Neuroptera, by H. Hagen, 
M. D., of Koenigsberg, Prussia; translated from the original 
French MS., and published by permission of the author, with 
notes and descriptions of about twenty new N. A. species of 
Pseudo-neuroptera, by Benj. I). Walsh, M. A.167 
OsTEN Sacken, Baron R. 
Contributions to the Natural History of the Cynipidae of the 
United States and their galls.38 
Reakirt, Tryon. 
Notes on Central American Lepidoptera, with descriptions 
of new species. 345, 135 
Contributions towards a Monograph of the genus Crocota 371 
Saunders, William. 
On some hitherto undescribed Lepidopterous larvae . . 28 
Descriptions of two new species of Arctiidae.59 
Stainton, H. T. 
Observations on American Tineina.130 
Uhler, P. R. 
Hemipterological Contributions.361, 155 
Orthopterological Contributions.543 
Walsh, Benj. D., M. A. 
On Dimorphism in the Hymenopterous genus Cynips; with 
an Appendix, containing hints for a new Classification of Cyni- 
pidae, including descriptions of several new species, inhabiting 
the Oak-galls of Illinois.443 
See Dr. Hagen’s paper.167 
Weidemeyer, J. Wm. 
Catalogue of North American Butterflies .... 513, 143 
