HEMIPTERA OF LOWER CALIFORNIA. 283 



defined, and the knobs each side of base elevated, and 

 surmounted by a Httle tubercle ; three double series of 

 spine-like, black tubercles on the anterior lobe of the pro- 

 notum. Venter with a series of oblique, white spots on 

 each side near the border; scallops of the lateral border 

 more prominent and placed further back than in S. dia- 

 deina; the inner margin of corium white. 



Length to tip of venter, 14-15 mm. Width of prono- 

 tum, 3 mm. 



This appears to be a common species in southern Cal- 

 ifornia and in Lower California. Specimens were col- 

 lected at San Jose del Cabo, and at the Calmalli mines by 

 Mr. C. D. Haines. 



Prionidus cristatus Linn. One or two specimens 

 were collected at San Jose del Cabo bv Dr. Gustav 

 Eisen. 



Heza annulicornis Stal. One specimen was taken 

 near Cape St. Lucas by Mr. John Xanthus. 



Rocconota sp.? Fragments of a large fuscous spe- 

 cies, apparently of this genus, were sent from Cape St. 

 Lucas by Mr. John Xanthus. 



Milyas zebra Stal. A mutilated specimen of this in- 

 sect is in one of the bottles from San Jose del Cabo. 



Zelus speciosus Burm. A specimen was taken by 

 Dr. Gustav Eisen at San Jose del Cabo. Mr. John 

 Xanthus captured several specimens at Cape St. Lucas. 



DiPLODUs Renardii Kolenati. Specimens were taken 

 at Comondu by Mr. C. D. Haines. 



DiPLODUs exsanguis Stal. A few specimens of this 

 insect were captured at Cape St. Lucas by Mr. John 

 Xanthus. 



