HYMEHOPTERA. 



I.— CATALOGUES. 



E. T. Cbesson. — Catalogue of the described species of North American 

 Hymeuoptera. <Proc. Bntomol. Soc. of Philadelphia, Vol. 1, 1861- 

 '63. 



E. T. Cbesson. — Catalogue of Species and Bibliography. Part 2 of 

 Synopsis of the Hymenoptera of America, north of Mexico. 

 <Tran8actions of the Am. Entomol. Soc, Supplementary volume, 

 1887. Phila., 1887. 



n.—GEN^ERAL WORKS ON CLASSIFICATION. 



E. T. Cbesson. — Synopsis of the families and genera of the Hymeno- 

 ptera, north of Mexico, together with a catalogue of the described 

 species and bibliography, <Transactions Am. Entomol. Society, 

 Supplementary volume. Part I, 1887. 



The second part contains the Catalogue of Species and Bibliography. 



III.— MONOGRAPHS AND STNOPSES. 

 TENTHEBDINID^ AND TJEOCEBID^. 



Edwabd Norton. — Catalogue of the described Tenthredinidse and tJro- 



ceridae of North America. <Trans. Amer. Eut 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. Cbesson. — Catalogue of the Tenthredinidse and Uroceridse of 

 North America, <Trans. Amer. Ent. Soc, Vol. VIII, 1880, pp. 53- 

 68. 



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

 pp. 66, 67. 



Petee Cameeon.— Monograph of the British Phytophagous Hymen- 

 optera. 2 vols. Loudon, 1882-'85. 



Contains ..u arrangement of the subfamilies and genera of Teuthrediuidic, 

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

 tion. 



CYNIPID.S:. 



E. OsTEN Sacken. — On the Cynipidse of the North American oaks and 

 their galls. <Proc. Eiitoin. Soc Philadelphia, Vol, I, 1861-'63, 

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



