64 



THE ROYAL SOCIETY OF CANADA 



Asterionella formosa-Hass. 

 " Berkeley i? 



Synedra ulna-Ehr. 



" undulata-Bail. 



" radians-W.S. 



" salina — W.S. 



" lunaris-Ehr. 



" longissima-W.S. 



" pulchella-Kg. 



" acus-Kg. 



" sigma 



" biceps 



" longissima-W.S. 



" acuta-Ehr. 



" robusta-Ralfs. 



Himantidium arcus-W.S. 

 " majus.-W.S. 



" gracile-Ehr. 



" pectinale 



" bidens 



" undulatum 



Rhiphidopliora 



Family 7. Tabellariœ. 



Tabellaria fenestrata-Kutz. 

 " flocculosa-Kutz. 

 Grammatophora marina-K. 



" serpentina-Ehr. 



stricta-Ehr. 

 Striatella unipunctata-Ag. 

 Rhabdonema Adriaticum-Kutz. 

 " arcuatum-K. 



" minutum-K. 



Odontidium Harrisonii 



" mesodon-Kutz 



mutabile-S.B.D. 

 Tabellaria-W.J. 

 hyemale-K.B. 

 Climacosphenia curvata 



" clongata-Bail. 



Meridion circulare-Ag. 



" intermedium-H.L.S. 



Family 8. Surirelleac. 



Cymatopleura apiculata-W.S. 

 " tumida 



" latistriata 



Surirella biseriata-W.S. 



" elegans-Ehr. 



" constricta 



" Feb igerii- Lewis 



" gemma-Ehr. 



" intermedia- Lewis 



" Mollerianum-Grun 



Campylodiscus bifurcatus-A.S. 

 " parvulus-W.S. 



" Thuretii 



" argus-Bail. 



" cribrosus-W.S. 



" Echineis-Ehr. 



spiralis-W.S. 



Ralfsii-W.S. 



Hodgsonii-W.S. 

 Bacillaria paradoxa-Gmel. 



