DISCUSSION OF GENERA AND SPECIES 



Genus ODONASPIS Sign. 



57 



Odonaspis graminis Bremner. 



Fig. 35. 



Originally described from roots of grass on the Presidio Hills at San 

 Francisco. I have taken the species from a perennial grass near Sears- 

 ville Lake, San Mateo County. 



I present a figure of the pygidium. 



Fig. 35. Odonaspis graminis Bremner: pygidium from specimen from near Stan- 

 ford University. 



