13 
B. D. Walsh. — Descriptions of North American Hymenoptera [with 
notes by E. T. Cresson]. <Trans. St. Louis Acad. Sci., Vol. Ill, 
1873, pp. 65-166. 
E. T. Cresson. — Notes on the species belonging to the subfamily 
Ichueumonides found in America, north of Mexico. <Trans. Amer. 
Entom. Soc., Yol. VI, 1817, pp. 129-212. 
A synopsis of the genera and species of the subfamily Iclineumoniuse. 
BRACONIDJE. 
E. T. Cresson.— List of the North American species of the genus Al- 
eiodes, Wesmael. <Trans. Amer. Eutom. Soc., Yol. II, 1868-’69, 
pp. 377-382. 
C. Y. Riley. — On North American Microgasters, with descriptions of 
new species. <Traus. St. Louis Ac. Sc., Yol. IY, No. 2, 1881. 
T. A. Marshall. — Monograph of the British Braconidye. Part I. 
<Trans. Entom. Soc. London, 1885, pp. 1-280, PI. I-IV. 
Marshall’s classification is that reproduced by Cresson in his Synopsis. 
CHALCIDIDH3. 
A. Foerster. — Syuoptische Uebersicht der Familien uud Gattungen 
in den beiden Gruppen der C haloid i ye Spin, uud Proctotrupii Latr. 
<Jahresber. d. hoheren Biirgerschule in Aachen, 1856. 
E. T. Cresson. — Synopsis of the North American species belonging to 
the genera Leucospis, Smicra, and Chalcis. <Traus. Amer. Eutom. 
Soc., Yol. IY, 1872-73, pp. 29-60. 
L. O. Howard. — Descriptions of North American Chalcididte from the 
collections of the U. S. Department of Agriculture and of Dr. C. Y. 
Riley, with biological notes [first paper], together with a list of the 
described North American species of the family. <U. S. Depart- 
ment of Agriculture, Bureau of Entomology. Bulletin No. 5. 
Washington, 1885. 
L. O. Howard. — A generic synopsis of the Hymenopterous family 
Chalcididae. <Entomol. Amer., Yol. I, 1885-86, pp. 197-199 and 
215-219; Vol. II, pp. 33-38. 
PROCTOTRUPIDJE. 
L. O. Howard. — A generic synopsis of the Hymenopterous family 
Proctotrupidye. <Trans. Amer. Entom. Soc., Yol. XIII, 1886, pp. 
169-178. 
CHRYSIDID^E. 
Edward Norton. — On the Chrysides of North America. <Trans. 
Amer. Eutom. Soc., Yol. VII, 1878-79, pp. 233-242. 
Gives tables of genera aud species. 
S. Frank Aaron. — The North American Chrysididse. <Traus. Amer. 
Entom. Soc., Vol. XII, 1835, pp. 209-24S, PI. VI-X. 
