HYMENOPTEEA. 2l 



Fernald, H. T. — The digger wasps of North America and the West 

 Indies, belonging to the subfamily Chlorionina?. <Proc. U. S. 

 Nat. Mus., XXXI, pp. 291-423, pis. 5, 1906. 



Melander, a. L. — Synopsis of North American species of Am- 

 mophila. < Psyche, 1903, pp. 156-163. 



Smith, H. S.— The Sphegoidea of Nebraska. <Univ. Studies, viii 

 (4), pp. 88, ph 1, 1908. 



Includes species of tlie other fossorial families. 



BEMBECID.E. 



Packard, A. S. — [See work cited under Larridse.] 



Patton, W. H. — The American Bembecidse: Tribe Stizini. <Bul. 



U. S. Geol. and Geog. Surv., v, No. 3, pp. 341-347, 1879. 

 Fox, W. J. — Synopsis of the Stizini of Boreal America. <Proc. 



Acad. Nat. Sci. Phila., 1895, pp. 264-268. 

 Synopsis of the Bembicini of Boreal America. <Proc. Acad. 



Nat. Sci. Phila., 1895, pp. 351-374. 

 Handlirsch, A. — Monographie der mit Nysson imd Bembex ver- 



wandten Grabwespen. 7 parts. <Sitzber. k. Akad. Wissensch., 



Wien, 1887-1893, pp. 150, pis. 23. 



LARRID^. 



Packard, A. S. — Revision of the Fossorial Hymenoptera of North 

 America. I. Crabronidse and Nyssonidse. <Proc. Ent. Soc. 

 Phila., VI, pp. 39-114, 353^44, 1866. 



This work includes revisions of the following families : LarridfE, Bem- 

 becidse, Philanthidjie, Mimesidae, Mellinidte, Pemphredonidse, and 

 Crabronidie. 



Patton, W. H. — List of North American Larridfe. <Proc. Boston 

 Soc. Nat. Hist., xx, pp. 385-397, 1880. 



Table of genera ; list of, and notes on, species. 

 Fox, W. J. — Monograph of the North American species of Tachytes. 

 <Trans. Amer. Ent. Soc, xix, 1892, pp. 234-252. 



The North American Larridae. <Proc. Acad. Nat. Sci. 



Phila., 1894, pp. 467-551. 



Synopsis of the North American species of Astatus, Latr. 



<Can. Ent., 1892, pp. 232-235. 

 AsHMEAD, W. H.— Two new genera of sand wasps. <Ent. News, 

 1898, pp. 187-189. 



Table of Miscophinus. 



