NO. 6 CUSHMAN, MCCULLOCH : LAGENIDAE 333 



EXPLANATION OF PLATE 44 



Figs. 



1, 2. Lagena apiculata Reuss, var. punctulata Sidebottom. X 65, p. 

 334. 



3,4. Lagena aspera Reuss. X 65, p. 334. 



5, 6. Lagena chasteri Millett. X 65, p. 335. 



7. Lagena costata (Williamson). X 65, p. 335. 



8, 9. Lagena curvilineata Balkwill and Wright. X 65, p. 336. 



10, 11. Lagena dentaliniformis Bagg. X 33, p. 337. 



12. Lagena distoma Parker and Jones. X 65, p. 337. 



13. Lagena clavata Williamson. X 65, p. 336. 



14. Lagena elongata (Ehrenberg). X 65, p. 338. 



15. Lagena cf. fieldeniana H. B. Brady. X 65, p. 338. 



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



