330 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 6 



EXPLANATION OF PLATE 43 



Figs. 



1-4. Frondicularia gigas Church. X 14, p. 327. 



5-8. Frondicularia californica Cushman and McCuIloch, n. sp. X 

 33. 5, Holotype. 6-8, Paratypes, earlier stages, p. 328. 



9, 10. Lagena acuticosta Reuss, var. X 65, p. 329. 



11-14. Lagena amphora Reuss. X 65, 329. 



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



