296 Annals of the Carnegie Museum. 



Family NOMADID.E. 

 Genus Nomada Fabricius. 



46. Nomada tibialis Cresson. 



Appears to be very near N. tibialis Cresson, W. J. Holland. 



One specimen, Nueva Gerona, July 31, 1912. (The ground-color 

 is slightly more intense than Cresson's description would indicate, 

 but otherwise no differences are noted. S. A. Rohiver.) 



Family ANTHOPHORID^. 

 Genus Exomalopsis Spinola. 



47. Exomalopsis globosa (Fabricius). 



Five specimens taken at Nueva Gerona in August and Septepiber. 



48. Exomalopsis pubescens Cresson. 



Two, one captured in August, the other in September, at Nueva 

 Gerona. 



49. Exomalopsis pulchella Cresson. 



Four specimens taken at Nueva Gerona from July to September. 



Family MEGACHILID^. 

 ' Genus Megachile Latreille. 



■50. Megachile maura Cresson. 



Four, Nueva Gerona, July and August. 



51. Megachile poeyi Guerin. 



One specimen taken in July and one in September at Nueva Gerona. 



52. Megachile singularis Cresson. 



One male specimen, Nueva Gerona, July. 



Genus Ccelioxys Latreille. 



53. Ccelioxys rufipes Guerin. 



A single specimen, Nueva Gerona, May 31, 1912. 



Family XYLOCOPID^. 

 Genus Xylocopa Latreille. 



54. Xylocopa morio (Fabricius). 



Eleven specimens taken at Nueva Gerona, one in March, the others 

 in July and August, and one specimen captured at Los Indios in 



September. 



Family APID^.. 



Genus Apis Linnaeus. 



55. Apis mellifica Linnaeus. 



Five taken at Nueva Gerona in July. 



