LIST OF PAPERS.

PAGE.

CRESSON, E. T.

Notes on the Pompilidæ of North America, with descrip-

tions of new species.

85

A List of the Ichneumonidæ of North America, with de-
scriptions of new species. Part I. -

289

Catalogue of a small collection of Hymenoptera made in
New Mexico during the summer of 1867.

375

EDWARDS, WM. H.

Description of certain species of Diurnal Lepidoptera found
in the United States.

Descriptions of American Lepidoptera,

GROTE AND ROBINSON.

HORN, GEO. H., M. D.

286

1, 171, 323

Description of a new Pseudomorpha from California, with

notes on the Pseudomorphidæ,

On Amphizoa insolens, LeConte,

151

154

Notes on the "Apple Bark-louse" (Lepidosaphes conchi-

formis), with a description of a supposed new Acarus, 361