96 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 3 



PLATE 14 



Fig. 39. Thalassionema uitzs( hioidrs Grun. Chain. 

 39a. Girdle view of a ceil. 



Fig. 40. Thalassiothrix lonyissima CI. and Grun. Entire cell. 

 40a. Part of the cell more highly magnified. Girdle view. 



Fig. 41. Thalassiothrix fraucnjrldii Grun. (jirdle view. 

 41a. Colony. 

 41b. Another colony. 



