294 Annals of the Carnegie Museum, 



27. Polistes minor (Palisot de Beauvois). 



Eight specimens from Nueva Gerona and one from McKinley taken 

 in July and August. 



28. Polistes carnifex (Fabricius). 



Twelve, Nueva Gerona, June, July, and August. 



Family CEROPALIDyE. 

 Genus Pepsis Fabricius. 



29. Pepsis ruficornis Fabricius. 



Seven individuals, Nueva Gerona, June, July, and August. 



30. Pepsis ornata Lepeletier de Saint Fargeau. 

 Sixteen specimens, Nueva Gerona, May to August. 



31. Pepsis marginata Palisot de Beauvois. 



Eight specimens, Nueva Gerona, May to August. 



Genus Pompiloides Radoszkowski, 



32. Pompiloides aeneopurpurea Fox. 



One example, Nueva Gerona, August 12, 1912. 



Family PEMPHREDONID.E. 

 Genus MiMESA Shuckard. 



33. Mimesa argentifrons Cresson. 



One male, Nueva Gerona, August 12; one male taken at McKinley, 

 July 24, one male captured at Santa Fe, July 28, 1912. 



Family SPHECID^. 

 Genus Sceliphron Klug. 



34. Sceliphron caementarium (Drury). 



One specimen, Los Indios, November, 1912. 



35. Sceliphron fasciatum Lepeletier de Saint Fargeau. 



Three specimens, two taken at Nueva Gerona in June, and one at 

 Los Indios in November, 191 2. 



Genus Sphex Linnaeus. 



36. Sphex guerinii Dalla Torre. 



One, taken at Nueva Gerona, August 12, 1912. 



Genus Priononyx Dahlbom. 



37. Priononyx thomae (Fabricius). 

 One, Nueva Gerona, July i, 1912. 



