296 A. L. MELANDEE. 



Group asopus. 



16. Y| 111 i|| :) bexar Blake (29). 



Five specimens, Fedor, Texas, possibly belong to this species. 

 The dorsal groove of the metathorax is filled with reticulations, 

 and the second ventral is simple. Otherwise they agree with the 

 description. 



Group occidentalis. 



17. * VI ill ilia gloriosa Sanssure (30). 



Plate IV, figs. 5 and 45. 



Buckeye, Arizona, one female. 



The pygidium is granular in this species. 



18. VI ill ilia pseudopappus Cockerell (31.; 



Plate IV, figs. 6 (petiole), and 44 (pygidium). 



A single specimen, taken in the Trans-Pecos Region of Western 

 Texas, and another from Mesilla Park, New Mexico. 



The pygidium has distinct undulating longitudinal striae. 



19. VI ui ilia magna Oesson 32). 



Plate IV, fig. 7; petiole. 

 Arizona (Westcott) ; Sinoloa, Mexico (Cockerel!). 



20. Htitilla Sackenii Cresson t33). 



Plate IV, fig. 8 ; petiole of female (erudita). 

 California, Arizona (Westcott). 



21. * 'I til 1 1 la occidentalis Linnaeus (34). 



Plate IV, fig. 9 ; petiole. 



Florida, Mississippi, Arkansas, Tennessee (Westcott) ; New Jer- 

 sey, Maryland, West Virginia, Georgia, Florida, Texas, Nebraska 

 (M. C Z.) 



22. VI ul ilia comanche Blake (35). 



Plate IV, fig. 10; petiole. 



Buena Vista, Colorado (Wickham) ; Florida (M. C. Z.). 

 Rev. Mr. Birkman has taken examples both of the typical form 

 and of the variety clotho Blake at Fedor, Texas. 



23. VI ul ilia orcus Cresson (36) 



Plate IV, fig. 11; petiole. 



Fedor, Austin, Cuero, and Laredo, Texas; Mesilla, Organ Moun- 

 tains, Las Cruces, Albuquerque, Socona, New Mexico. 

 Not rare, both males and females occurring commonly. 

 Leda Blake is not distinct from this form. 



