264 CALIFORNIA ACADEMY OF SCIENCES. 



about equal in length; in the S the first is shorter than 

 the second; colored alike in both sexes. 



Two ? specimens. San Jose del Cabo. I am indebted 

 to Mr. Samuel Henshaw for the loan of Cresson's type, 

 which is a 6 . 



In my opinion this genus differs sufficiently from the 

 rest of the Scoliidse, particularly Ti^hia and Myztne, to 

 be constituted a tribe of that family. 



ScoLiA BADiA Sauss. San Josc del Cabo. One ? . 



ScoLiA GUTTATA Burm. Two specimens, ? ^ . Tepic. 

 Thoracic markings in these specimens are entirely absent. 

 The only pale color to be found on them exists on the 

 second and third dorsal abdominal segments in the shape 

 of a large spot on each side. 



Elis dorsata Fabr. San Jose del Cabo and Tepic. 



Elis tricincta Fabr. Two specimens. Tepic. 



Elis trifasciata Fabr. One $ . Tepic. 



Elis plumipes Dr. San Jose del Cabo. Numerous 

 S specimens. These differ from the more northern speci- 

 mens by the clypeus being spotted on either side, as in 

 specimens from the United States the clypeus is entirely 

 black. The maculated clypeus is a characteristic of £. 

 limosa, hui phimipes differs in having the fore and medial 

 tibiae more or less yellowish, whereas in the first men- 

 tioned the medial tibi« are entirely black. 



Elis xantiana Sauss. San Jose del Cabo. 



POMPILID^. 



PoMPiLus PHiLADELPHicus St. Farg. San Jose del 

 Cabo and Tepic. Five females. These are much bluer 

 than the form common in the United States. 



PoMPiLUS ^THiops Cress. San Jose del Cabo. One 5 . 



