9 



S. Henshaw. — Bibliography of American Economic Entomology. 

 Parts I-V. <U. S. Dept. Agric, 1890-1896. 

 Literature down to July 1, 1888. 



N. Banks. — Bibliography of American Economic Entomology. Part 

 VI. <U. S. Dept. Agric, 1898. 



Literature from June 30, 1888, to January 1, 1897. 



Current Literature is catalogued in several publications, notabl} T 

 Entomological News, Bulletin Societe Entom. d. France, and 111. 

 Zeitsch. f. Entom. 



Bibliography of Insects of the West Indies. — Kept, of Commit- 

 tee, Proc. Brit. Ass. Adv. Sci., 1888, pp. 1-28. 



HYMENOPTERA. 



L— CATALOGUES. 



E. T. Cresson. — Catalogue of the described species of North Ameri- 

 can Hymenoptera. <Proc. Entom. Soc Phila., Vol. I, 1861- 

 1863. 

 E. T. Cresson. — Catalogue of species and bibliography. Part 2 of 

 Synopsis of the Hymenoptera of America, north of Mexico. 

 Synopsis and Catalogue. Price $3. Transactions of the Am. 

 Entom. Soc, Supplementary volume, 1887. Philadelphia, 1887. 

 C. G. de Dalla Torre. — Catalogus Hymenopterorum. 10 vols. 

 Leipzic, 1893-1900. 



Vol. I, Tenthredinidse; II, Cynipidae; III, Ichneumonidse, etc.; IV, Bracon- 

 idse; V, ChalcididseandProctotrupidae; VI, Chrysididse; VII, Formicidae; 

 VIII, Fossores; IX, Vespidae; X, Apidse. Each volume can be pur- 

 chased separately. 



II.— GENERAL WORKS ON CLASSIFICATION. 



E. T. Cresson.— Synopsis of the families and genera of the Hymen- 

 optera^ north of Mexico, together with a catalogue of the described 

 species and bibliography. Transactions Am. Entom. Soc, Sup- 

 plementary volume, Part I, 1887. 



The second part contains the Catalogue of Species and Bibliography. 



W. H. Ashmead. — Classification of the horn tails and sawflies, or the 



suborder Phytophaga. <Can. Entom. , 1898, 7 parts. 

 W. H. Ashmead. — Classification of the bees, or the superfamily 



Apoidea. <Trans. Amer. Entom. Soc, 1899, pp. 19-100. 

 W. H. Ashmead. — Superfamilies in the Hymenoptera and generic 



synopses of the families Thynnidse, MyrmosidaB, and Mutillidae. 



<Journ. N. Y. Entom. Soc, March, 1899, pp. 45-60. 

 W. H. Ashmead. — Classification of the entomophilous wasps, or the 



superfamily Sphegoidea. <Can. Entom., 1899, 7 parts. 



