HYMENOPTERA. 11 



Ashmead, W. H. — A classification of the entomophilous wasps, or 

 the superfamily Sphegoidea, <Can. Ent., 1899, pp. 145-155, 

 161-174, 212-225, 238-251, 291-300, 322-330, 345-357. 



Classification of the ichneumon flies, or the superfamily Ich- 



neumonoiclea. <Proc. U. S. Nat. Mus., xxm, pp. 1-200, 1900, 



Classification of the fossorial, predaceous, and parasitic wasps, 



or the superfamily Vespoidea. <Can. Ent., 1900, pp. 145-155, 

 185-188, 295-296; 1902, pp. 79-88, 131-137, 163-166, 203-210, 

 218-231, 268-273, 287-291 ; 1903, pp. 3-8, 39^4, 95-107, 155-158, 

 199-205, 303-310, 323-332; 1904, pp. 5-9. 



Classification of the pointed-tailed wasps, or the superfamily 



Proctotrypoidea. <Journ. N. Y. Ent. Soc, 1902, pp. 240-247; 

 1903, pp. 28-35, 86-99. 



Classification of the gall-wasps and the parasitic Cynipoids, or 



the superfamily Cynipoidea. < Psyche, 1903, pp. 7-13, 59-73, 

 140-155, 210-216. 



Classification of the chalcid flies, or the superfamily Chalci- 



doidea. <Mem. Carnegie Mus., i, No. 4, pp. 531, pis. 9, 1904. 



III.— MONOGRAPHS AND SYNOPSES. 

 TENTHREDINIDiE AND TJR0CERID.E. 



Norton, E. — Catalogue of the described Tenthredinidse and Uro- 

 ceridse of North America. < Trans. Amer. Ent. Soc, i, pp. 

 31-84, 193-280, 1867; n, pp. 211-242, 321-367, 1868-1869. 



Gives synoptic tables of genera and species of both families ; the Uro- 

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



Cresson, E. T. — Catalogue of the Tenthredinidse and Uroceridse of 

 North America. < Trans. Amer. Ent. Soc, vin, pp. 53-68, 1880. 

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

 on pp. 66-67. 



Cameron, P. — Monograph of the British Phytophagous Hymenop- 

 tera. 2 vols. London, 1882-1885. 



Contains an arrangement of the subfamilies and genera of Tenthre- 

 dinidae, which has been reproduced by Cresson in his general work 

 of classification. 



Konow, W. F. — Fam. Tenthredinidse. <Gen. Ins., Fasc. 29, pp. 176, 

 pis. 3, 1905. 



Fam. Siricidae. <Gen. Ins., Fasc. 28, pp. 14, pi. 1, 1905. 



Fam. Lydidge. <Gen. Ins., Fasc. 27, pp. 27, pi. 1, 1905. 



