REHN AND HEBARD 249 



Fig. 18. — Morsca californica californica Scudder. Dorsal outline of apex of 

 abdomen of female. Mount Lowe, California. (X 7) 



Fig. 19. — Psychoviastax psyUa new genus and species. Lateral outline of 

 apex of abdomen of female {allotype). (X 5) 



Fig. 20. — MoTRea californica californica Scudder. Lateral outline of apex of 

 abdomen of female. Mount Lowe, California. (X 7) 



Plate XIII 



Fig. 1. — Psychomastax psylla new genus and species. Dorsal view of head 



and pronotum of female {allotype). (X S) 

 Fig. 2. — Morsea californica californica Scudder. Dor.sal view of head and 



pronotum of female. Mount Lowe, California. (X 7) 

 Fig. .3. — Morsea californica dumicola new subspecies. Dorsal view of head 



and pronotum of female {allotype). (X 8) 

 Fig. 4. — Morsea californica tamalpaisensis Rehn and Hebard. Dorsal view 



of head and pronotum of female {allotype). (X 8) 

 Fig. 5. — Psychomastax psylla new genus and species. Outline of cephalic 



aspect of head of female {allotype). (X 7) 

 Fig. 6. — Morsea californica californica Scudder. Outline of cephalic aspect 



of head of female. Mount Lowe, California. (X 7) 

 Fig. 7. — PsycJwmaslax psylla new genus and species. Dorsal view of apex 



of abdomen of male {type). (Greatly enlarged.) 

 Fig. 8. — Morsea californica californica Scudder. Dorsal \aew of apex of ab- 

 domen of male. Mount Lowe, California. (Greatly enlarged.) 

 Fig. 9. — Psychomastax psylla new genus and species. Lateral view of apex 



of abdomen of male {type). (Greatly enlarged.) 

 Fig. 10. — Morsea californica californica Scudder. Lateral view of apex of 



abdomen of male. Mount Lowe, California. (Greatly enlarged.) 

 Fig. 11. — Morsea californica tamalpaisensis Rehn and Hebard. Lateral view 



of apex of abdomen of male {type). (Greatly enlarged.) 



Plate XIV 



Fig. 1. — High slopes of San Gabriel Mountains, Los Angeles County, Califor- 

 nia. View northward from summit of Mount Lowe. Upper 

 portion of region frequented by Morsea californica californica. 

 (Photograph by Rehn and Hebard.) 



Fig. 2. — Middle slopes of San Gabriel Mountains, Los Angeles County, 

 California. Looking down on Echo Mountain and the lower 

 coimtry about Pasadena. T3-pical habitat of Morsea californica 

 californica in the middle portion of its vertical range. Vegetation 

 largely composed of chamisal {Adenostoma fasciculattnn) and 

 manzanita {Arctostaphylos). (Photograph by Rehn and Hebard.) 



TRAKS. .^^M. ENT. SOC, XLIV. 



