20 WORKS ON NORTH AMERICAN ENTOMOLOGY. 



Ulake, C. a. — Monograph of tliu .MutilliehL' of Nortli America. 

 < Trans. Amer. Ent. Soc, xiii, pp. 179-28G, 188G. 



This monograph supersedes the synopsis by the same author. 



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

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



Melander, a. L. — Notes on North American Mutillida,', with de- 

 scriptions of new species. <Trans. Amer. Ent. Soc, xxix, j)p. 

 291-330, pi. 1, 1903. 



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

 1903. 



ViERECK, n. L. — The species of Odontophotopsis. < Trans. Amer. 

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



SAPYGID.i:. 



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

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



SCOLIID.Ti. 



DE Saussure, H., and Sichel, J. — Catalogns specierum generis Scolia. 

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



po:mpilid^. 



Cresson, E. T. — Notes on the Pompilidae 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 AVash.. iv, pp. 140-148, 1897. 



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



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



sphegid.t:. 



Patton, W. II. — Some characters useful in the study of Sphecidse. 

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

 Critical notes on genera and species. 



KoiiL, F. F. — Die Ilymenopterengruppe der Spheginen. <Ann. k, 

 k. Naturh. Hof museums, Wien, v, pp. 77-194, 317^62, 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. 



