8o 



CALIFORNIA ACADEMY OF SCIENCES [Proc. 3D Ser. 



EXPLANATION OF PLATE IL 



Fig. 25. 

 26. 

 27. 

 28. 

 29. 

 30. 

 31- 

 32. 

 33- 

 34- 

 35- 

 36. 

 37- 

 38. 

 39- 

 40. 

 41. 

 42. 



43- 

 44. 



45- 

 46. 



47- 

 48. 



49- 

 50. 

 51- 

 52. 

 53- 

 54- 

 55- 



Pelastoneurus pictipennis, sp. nov., <5 , hypopygium. 



" • floridanus, " 



" ?iigrescenSy " 



' ' lugubris LoEW. 



Medeteriis princeps, sp. nov., 5 



xerophilus. 



S , 



s , 



s , 

 hypopygium. 

 base of hind tarsus., 

 wing, 

 antenna. 



S 



s 

 s 



?! 



? , wing. 



S , hind tarsus 



veles LoEW. 



" " S , hypopygium. 



" " S , wing. 



viduus, sp. nov. , 3 , tip of hind tibia and base of tarsus. 



' aberrans, 



' appendiculatus, 



calif orniensis , 



niaurus, 

 aurovitlatus, 



? , antenna. 



S , base of hind tarsus. 



hypopygium. 



wing. 



hypopygium. 



wing. 



hypopygium. 



ThrypHcus fraterculus Wheeler, 5 , hypopygium. 



" Willistoni " 5 , " 



Asyndetus syntormoides, sp. nov., $ , antenna (mesial aspect). 



?, 

 " " " $ , wing. 



Porphyrops xipheres, sp. nov. , 5 , antenna. 

 " effilatiis, " 3 , " 



?, " 



