208 MARINE AND FISHERIES 



5 GEORGE v., A. 1915 



C. gastroides Kiitz. 

 C. cistula (Hempr.) Kirchn. 

 C. lanceolata (Ehr.) Kirchn. 

 Cj^matopleura elliptica Itm. Sm. Rare form. 

 Diploneis elliptica (Kiitz.) CI. 

 Eunontia gracilis (Ehr.) Rab. 

 E. major. (Itm. Sm.) Rab. 

 var. impressa. 

 E. formica (Ehr.) 

 Frustulia vulgaris Thw. 

 Gonphonema constrictum Ehr. 

 G. capitatum Ehr. 



G. acuminiatum. f. coronatum (Ehr.) Rab. 

 Melosira granulata. 



Meridion intermedium var constrictum H. L.S. 

 Nitzchia amphioxys (Ehr.) Itm. Sm. 

 Navicula pseudo-baciUum. Grun. 

 Neidium iridir (Ehr.) CI. 

 Pinnularia divergens. Ralfs. 

 P. nobilis Ehr. Also varieties. 

 P. tabellaria Ehr. 

 Stauroneis gracilis. Itm. Sm. 

 Surirella splendida Itm. Sm. Also varieties. 

 Sjoiedra danica Kiitz. 



Batrachospermum moniliforme. Roht. — though not a green alga. — should 

 be mentioned. It was found attached to timbers of a rude wharf. 



The following named algae were collected and identified by my colleague, 

 Mr. A. B. Klugh, during May and June, 1911. The collections were made at various 

 points as indicated in the notes, but all along the Georgian Bay shore or in the 

 waters immediately tributary to the Bay. 

 Chroococcus turgidus, Naegeli. Bog, Mud Lake, near Colpoy's Bay, June 7, 



Marsh Oliphant, June 14. 

 Microcystis marginata, Kuetzing. Floating among other algae at windward 



shore of Sky Lake, near Oliphant, May 28; Bog, Mud Lake, Near Colpoy's 



Bay, June 26. 

 Merismopedium glaucum, Naegeli, Plankton, Pool on the Commons, Colpoy's 



Bay, May 8, 1911; Swale, Colpoy's Bay, May 20; Pool, McGregor's Harbour, 



Cape Croker, May 30; Shore of Lake Huron at Oliphant, June 14; Sky Lake 



May 28. 

 Oscillatoria tenuis, Agardh. Damp places on rock. Colpoy's Bay, May 11. 

 Oscillatoria subtilissima, Kuetzing. Damp places on rock, Colpoy's Bay, May 11. 

 Oscillatoria formosa, Bory. On timber in a small stream near Colpoy's Bay, 



May 27. 



