Plate 18. 



Fig. 1. VIcnophoniHtrr (liplortciiiiis ; type, actinal surface, p. 95. 



2. Vt('u<)]>Jrur(( (istropcctiiiiflcs ; type, actinal surface, p. 91. 



3. AiiHiosticIc inilopJiofd : type, actinal surface, p. 140. 



5G5 



