58 
Benj. D. Walsh. — List of the Pseud on europtera of Illinois contained 
in the cabiuet of the writer, with descriptions of over forty new 
species, and notes on their structural affinities. <Proc. Ac. Nat. 
Sc. Philadelphia, 1862, pp. 361-402. 
This paper contains, on pp. 367, 368, a table of the genera of Ephemeridse. 
Benj. D. Walsh.— Observations on certain North American Neurop- 
tera, 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 North 
American species of Pseudoueuroptera. <Proc. Entom. Soc. 
Phila., Vol. II, 1863-’64, pp. 167-272. 
Contains a modification of the table of genera of Ephemeridse, pp. 195, 196; 
a table of the subgenera of Gotnphus, p. 253; and a “Synoptical table of 
the subfamilies of the family Odonata,” pp. 259, 260. 
A. E. Eaton. — A monograph on the Ephemeridm. Part 1. The 
nomenclature of the Ephemeridse. <Trans. Eutom. Soc. London, 
1871, pp. 1-164, 6 pi. 
A. E. Eaton. — A Revisional Monograph of recent Ephemeridse, or 
Mayflies. <Trans. Linn. Soc. Londou, 1883-’86. 
Four parts have hitherto been published. 
ODONATA. 
E. de Selys Longchamps et H. Hagen. — Monographie des Calop- 
terygines. Bruxelles, 1854. 
E. de Selys Longchamps et H. Hagen.— Monographie des Gom- 
phines. Bruxelles, 1858. 
E. de Selys Longchamps. — Synopsis des Agrionines. 6 parts. 
Bruxelles, 1860- ? 65. 
E. de Selys Longchamps. — Synopsis des Cordulines. Bruxelles, 
1871. 
H. A. Hagen.- Synopsis of the Odonata of America. <Proc. Boston 
Soc. Nat. Hist., Vol. XVIII, 1875, pp. 20-96. 
Omitting the subfamily Agrioniua. 
HEMEROBIDiE. 
G. Th. Schneider. — Symbola ad monographiam generis Chrysopse 
Leach. Vratislavise, 1851. 
H. A. Hagen. — Hemerobidarum synopsis synonymica. <Stettiner 
entomol. Zeit., 1866, pp. 369-462. 
H. A. Hagen. — Monograph of the Hemerobidm. <Part I, Proc. Bos- 
ton Soc. Nat. Hist., Vol. XXIII, 1886, pp. 250-269; Pt. II, l. c., pp. 
276-292. 
Apparently not yet completed. 
