PROC. U.S. NAT. MUS. VOL. 11{ 



ARNETT — PLATE 1 



'JC 'Jit 



MftlL. 



(Top) Chicos Alts., Casa Grande Peak, type locality of I'asaces elongatus Xmcxt; (bottom) 

 Euphorbia antisyphilita, candelilla, on which occurs Oxacis pallida (LeContc). 

 782-214— (55 2 



