Oc. Papers, Cal. Acad. Sci., \'oi,. X 



\'aN DKNHURCai ] 



Platk 3; 



■tw-»- 



Phryiiosoma arcallii, Fl.it-t.iilcd Horned To.id 

 Collected near Yuma, Yuma <!"<Hmt>-. Arizona. Septeml"-r. VM'l. 



