10 



W. H. ASHMEAD. Classification of the fossorial, predaceous, and par- 

 asitic wasps, or the superf amily Vespoidea. <Can. Entom. , 1900, 

 pp. 145-155, 185-188; etc. 



W. J. Fox. A proposed classification of the fossorial Hymenoptera 

 of North America. <Proc. Acad. Nat. Sci. Phila., 1894, pp. 292- 

 307. 



IIL MONOGRAPHS AND SYNOPSES. 

 TENTHKEDINID^ AND UROCERID^. 



EDWARD NORTON. Catalogue of the described Tenthredinidse and 

 Uroceridse of North America. <Trans. Amer. Entom. Soc. , Vol. 

 I, 1867, pp. 31-84 and 193-280; Vol. II, 1868-69, pp. 211-242 and 

 321-367. 



Gives synoptic tables of genera and species of both families; the Uroceridse 

 are treated in Vol. II, pp. 349-367. 



E. T. CRESSON. Catalogue of the Tenthredinidae and Uroceridse of 

 North America, <Trans. Amer. Entom. Soc., Vol. VIII, 1880, 

 pp. 53-68. 



A synonymical reference list of the species; the Uroceridse are treated on 

 pp. 66-67. 



PETER CAMERON. Monograph of the British Phytophagous Hymen- 

 optera. 2 vols. London, 1882-1885. 



Contains an arrangement of the subfamilies and genera of Tenth redinidse, 

 which has been reproduced by Cresson in his general work of classifica- 

 tion. 



C. L. MARLATT. Revision of the Nematinse of North America, a sub- 

 family of leaf -feeding Hymenoptera of the family Tenth redinidse. 

 <Technical Series No. 3, Div. Entom., IL S. Dept. Agric., 1896, 

 pp. 135. 



A. D. MAcGiLLiYRAY. New species of Tenthredinidse, with table of 

 species of Strongylogaster and Monoctenus. <Can. Entom. , 1894, 

 pp. 324-328. 



CYNIPID^!. 



C. R. OSTEN SACKEN. On the Cynipidre of the North American oaks 

 and their galls. <Proc. Entom. Soc. Phila., Vol. I, 1861-1863, 

 pp. 47-72; additions and corrections, 1. c., pp. 241-259. 



C. R. OSTEN SACKEN. Contributions to the natural history of the Cy- 

 nipidee of the United States. <Proc. Entom. Soc. Phila. , Vol. II, 

 1863-1864, pp. 33-49; Vol. IV, 1865, pp. 331-380; Trans. Amer. 

 Entom. Soc., Vol. HI, 1870-1871, pp. 54-64. 



Continuation of the foregoing paper, both containing valuable contributions 

 to the classification of genera and species. 



