20 WORKS ON NORTH AMERICAN ENTOMOLOGY. 



Blake, C. A. — Monograph of the Mutillidse of North America. 

 < Trans. Amer. Ent. Soc, xm, pp. 179-286, 1886. 



This monograph supersedes the synopsis by the same author. 



Fox, W. J. — The North American Mutillidse. < Trans. Amer. Ent. 

 Soc, xxv, pp. 219-292, 1898. 



Melander, A. L. — Notes on North „ American Mutillidse, with de- 

 scriptions of new species. < Trans. Amer. Ent. Soc, xxix, pp. 

 291-330, pi. 1, 1903. 



Andre, E. — Fam. Mutillidse. <Gen. Ins., Fasc. 11, pp. 77, pis. 3, 

 1903. 



Viereck, H. L. — The species of Odontophotopsis. < Trans. Amer. 

 Ent. Soc, xxx, pp. 81-92, 1904. 



SAPYGUXE. 



Cresson, E. T. — [Synoptic table of the North American species of 

 Sapyga.] < Trans. Amer. Ent. Soc, vin, pp. xx-xxi, 1880. 



SCOLIUXE. 



de Saussure, H., and Sichel, J. — Catalogus specierum generis Scolia. 

 Geneva, pp. 352, pis. 2, 1864. 



POMPILIDJE. 



Cresson, E. T. — Notes on the Pompilidee of North America, with de- 

 scriptions of new species. < Trans. Amer. Ent. Soc, i, pp. 85- 

 150, 1867. 



Fox, W. J. — The species of Pepsis inhabiting America, north of 

 Mexico. <Proc Ent. Soc. Wash., iv, pp. 140-148, 1897. 



The North American species of Ceropales. < Trans. Amer. 



Ent. Soc, xix, pp. 49-63, 1892. 



SPHEGID.E. 



Patton, W. H. — Some characters useful in the study of Sphecida?. 

 <Proc Boston Soc. Nat. Hist., xx, pp. 378-385, 1880. 

 Critical notes on genera and species. 



Kohl, F. F. — Die Hymenopterengruppe der Spheginen. <Ann. k. 

 k. Naturh. Ho f museums, Wien, v, pp. 77-194, 317— 162, 1890. 



Fernald, H. T. — Notes on the North American species of Isodontia 

 Patton, with descriptions of a new species and variety. <Can. 

 Ent., 1903, pp. 209-271. 



