Plate 34 
FIGURE PAGE 
1, 2. Trophon catalincnsis, n.sp. 29 
Type. 
3, 4, 5. Trophon catalincnsis, n.sp. 29 
Young specimens. 
6, 7. Trophon triangulatus Carpenter. 28 
Figured type specimens, magnified three times, University of California. 
