PROC. CAL. ACAD. SCI., 4th Series, Vol. IX 



[COLE& LOVETT] Plate 18 



Fig. 19. — Cophura cyrtopogona, new species. Outline of head. 

 Fig. 20. — Agathomyia lutea, new species, Wing. 

 Fig. 21. — Brachyopa gigas, new species. Wing. 



Fig. 22. — Pipiza oregona, new species. Wing. (Spurious vein left out in 

 drawing by mistake.) 

 Fig. 23. — Syrphus bimaculata, new species. Abdomen. 

 Fig. 24.— iCriorhina luna, new species. Middle tibia and tarsi. 

 Fig. 24a. — 'Criorhina luna, new species. Hind femur. 

 Fig. 24b.— ^Criorhina luna, new species. Antenna, greatly enlarged. 

 Fig. 25. — Criorhina quadriboscis, new species. Hind femiur. 

 Fig. 25a.— Criorhina quadriboscis, new species. Antenna, greatly enlarged. 



