105 



var. longicorne forma granulata. Raciborski I: flg. 13. 

 La cell. 14,3, Lo cell, cum spin. 22, Lo spin. 10,4 Diam. 

 Coenob. 117. 



Kordlortok, Атака, Falke- 

 fjæld. Kap Borlase Warren. 



var. longicorne ? forma 

 ordinata nob. 



The granulations occur- 

 ing in regular rows along the 

 dissepiments. La cell. 26 — 30//, 

 Long. spin. 10 — 11 pi. Fig. 9. 

 Jameson Land. 



2. P. rotula A. Br. 



Boldt III: Tasiusak. 



3. P. tricornutum Borge. 

 Chodat I: pag. 230. Diam. cell, с 8//. 

 Атака, Sabine Ö. 



Coelastrum Näg. 

 С. proboscideum Bohlin. 



Senn I: Diam. Cell. 10 — 11/«, Diam. Coenob. с 35//. 

 Kordlortok, Атака. 



Fig. 9. 

 Pediastrum Boryanum Menegh. 

 var. longicorne Rac. forma ordi- 

 nata nob. 

 Fragment of Coenobium showing 

 the granulation of the cell. 



Ulothricaceae. 



Ulotbrix Kiitz. 



1. U. subtilis Kiitz. 



Chodat I: pag. 268. Hazen 1: pag. 162, Tab. 21, fig. 11 

 La cell. 5,2. 



Кар Dalton, Dunholm, Hurry Inlet, Sabine Ö. 

 Borgesen I: Hekla Havn. 



2. и. zonata Kiitz. 



Borgesen I: Gaasefjord, Кар Stewart. 



