13 



L. O. HOWARD. Revision of the Aphelininse of North America. 

 <Technical series, No. 1, Div. Entom., U. S. Dept. Agric., 1895, 

 pp. 44. 



L. O. Ho WARD. On the Bothriothoracine insects of the United States. 

 <Proc. U. S. Nat. Mus., Vol. XVII, pp. 605-613 (1896). 



L. O. HOWAED. On some American phytophagic Eurytominse. 

 <Technical series, No. 2, Div. Entom., U. S. Dept. Agric., 1896. 

 A synopsis of Isosoma and allies. 



W. H. ASHMEAD. A revised generic table of the Chalcidinse. 

 <Entom. Amer., 1888, pp. 87-88. 



W. H. ASHMEAD. Classification of the old family Chalcididas. <Proc. 

 Entom. Soc. Wash., Vol. IV (1899), pp. 242-249. 



W. H. ASHMEAD. On the genera of the chalcid-flies belonging to the 

 subfamily Encyrtinse. <Proc. U. S. Nat. Mus., Vol. XXII, pp. 

 323-412 (1900). 



W. H. ASHMEAD. On the Chalcideous tribe Chiropachides. <Can. 

 Entom., 1888, pp. 172-176. 



W. H. ASHMEAD. On the genera of the Cleonymidae. <Proc. 

 Entom. Soc. Wash., Vol. IV (1899), pp. 200-206. 



W. H. ASHMEAD. On the genera of the Eucharidae. <Proc. Entom. 

 Soc. Wash., Vol. IV (1899), pp. 235-242. 



W. H. ASHMEAD. A revised generic table of the Eurytominae, with 

 descriptions of new species. <Entom. Amer., 1888, pp. 41-43. 



W. H. ASHMEAD. On the genera of the Eupelminse. <Proc. Entom. 

 Soc. Wash., Vol. IV (1896), pp. 4-20. 



W. H. ASHMEAD. A synopsis of the Spalangiinse of North America. 

 <Proc. Entom. Soc. Wash., Vol. Ill (1894), pp. 27-37. 



PROCTOTRYPIDJE. 



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

 Proctotrupidae. <Trans. Amer. Entom. Soc., Vol. XIII, 1886, 

 pp. 169-178. 



W. H. ASHMEAD. A monograph of the North American Proctotry- 

 pidse. Bui. No. 45, U. S. Nat. Museum, 1893, 463 pp., 18 pis/ 



CHRYSIDID^. 



EDWARD NORTON. On the Chry sides of North America. <Trans. 

 Amer. Entom. Soc., Vol. VII, 1878-'79, pp. 233-242. 



Gives tables of genera and species. 



