PLATE XL. 
e 
Amphiura sanctecrucis Arnold, new species. 
lic. 1. View of cast of dorsal portion, enlarged 3 times. Type. Coll. Leland 
Stanford Junior University, No. 1078. Upper Miocene (Santa Mar- 
’ garita formation), Scott Valley, Santa Cruz County, California. 
2. View of cast of ventral portion, enlarged 8 times. Paratype. Cat. No. 
165481. U.S.N.M. Same locality as fig. 1. 
