NO. 6 CUSHMAN, MCCULLOCH : LAGENIDAE 349 



EXPLANATION OF PLATE 46 



Figs. 



1,2. Lagena perlucida (Montagu). X 65, p. 342. 



3,4. Lagena perducida (Montagu), van X 65, p. 343. 



5-8. Lagena pliocenica Cushman and Gray, X 65, p. 344. 



9. Lagena pliocenica Cushman and Gray, var. discrepans Cush- 

 man and Gray. X 65, p. 344. 



10. Lagena pliocenica Cushman and Gray, var. timmsana Cush- 

 man and Gray. X 65, p. 345. 



11. Lagena semilineata J. Wright. X 65, p. 345. 

 12-15. Lagena sesquistriata Bagg. X 65, p. 350. 



In all specimens, a, front view; b, apertural view. 



