B. D. WALSH. Descriptions of North American Hymenoptera [with 



notes by E. T. Cresson]. <Trans. St. Louis Acad. ScL, Vol. Ill, 

 1873, pp. 65-166. 



E. T. CRESSON. Notes on the species belonging to the subfamily 

 Ichneumonides found in America, north of Mexico. <Trans. 

 Amer. Entom. Soc., Vol. VI, 1877, pp. 129-212. 



A synopsis of the genera and species of the subfamily Ichneumoninge. 



G. C. DAVIS. A review of the Ichneumonid subfamily Tryphoninae. 

 <Trans. Amer. Entom. Soc., 1897, pp. 193-348. 



G. C. DAVIS. A monograph of the tribe Bassini. <Trans. Amer. 

 Entom. Soc., 1895, pp. 17-30. 



G. C. DAVIS. Two new species of Clistopyga. <Entom. News, 1895, 

 pp. 198-199. 



Contains table of species. 



BRACONID.E. 



E. T. CRESSON. List of the North American species of the genus 

 Aleiodes, Wesmael. <Trans. Amer. Entom. Soc. , Vol. II, 1868-69, 



pp. 377-382. 



C. V. RILEY. On North American Microgasters, with descriptions of 



new species. <Trans. St. Louis Acad. Sci., Vol. IV, No. 2, 1881. 

 T. A. MARSHALL. Monograph of the British Braconidse. Part I. 

 <Trans. Entom. Soc. London, 1885, pp. 1-280, Pis. I-IV. 

 Marshall's classification is that reproduced by Cresson in his Synopsis. 



W. H. ASHMEAD. Synopsis of the Hormina? of North America. 

 <Trans. Amer. Entom. Soc., 1893, pp. 39-44. 



CHALCIDID^E. 



A. FOERSTER. Synoptische Uebersicht der Familien und Gattungen 



in den beiden Gruppen der Chalcidise Spin, und 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. <Trans. Amer. 



Entom. Soc., Vol. IV, 1872-73, pp. 29-60. 

 L. O. HOWARD. Descriptions of North American Chalcididre from 



the collections of the U. S. Department of Agriculture and of 



Dr. C. V. Riley, with biological notes [first paper], together with 



a list of the described North American species of the family. 



<Bul. No. 5, Div. Entom., U. S. Dept. Agric., Washington, 1885. 

 L. O. HOWARD. A generic synopsis of the Hymenopterous family 



Chalcidida?. <Entom. Amer., Vol. I, 1885-86, pp. 197-199 and 



215-219; Vol. II, pp. 33-38. 



