124 DEPARTMENT OF THE NATAL SERVICE 



8. Diatoms from Lake Winnipeg, Manitoba. 



For the sake of comparison the following list of species, prepared by Dr. Charles 

 W. Lowe, of the University of Manitoba, is appended: — 



Amphiprora ornata Bail. 

 Asterionella formosa Hall. 

 Cocconeis placentula Ehr. 

 Cocconema cynihiforme Ehr. 



" Janceolata Ehr. 



Cymatopleura solea (Breb.) W. Sm. 



" elliptica Y. H. 



Epithemia turgida Ehr. 

 FragiUaria capuclna Des. 



" crotonensis (Edw.) Kelton. 



Melosira varians Ag. 



" gastrum (Ehr.) Don. 

 Eopalodia (Epithemia) gihha (Kiitz) Miill. 

 Rhizosolenia morsa W. West. 

 Stephanodiscus Niagarae Ehr. 

 Synedra ulna Ehr. 



'* " var. splendens (Kiitz) H. Y. H. 



" revaliensis Lem. 

 Talellaria fenestrata (Lyngb.) Kiitz. 

 Surirella oralis Breb. 



