DIATOMS OF NOVA SCOTIA MACKAY 177 



Cymbella 



maculata Ktz. Maclean Lake (394). 



naviculaeformis Auers. Grant Lake (374). 



Diploneis elliptica Ktz. Grant Lake (374); Maclean Pond 



(394). 



Smithii Breb. Swamp Pond, Pictou Co. (373); Grant 

 Lake (374); Maclean Pond (394). 

 Encyonema gracile Rab. High Pond, Pictou Co. (372); Earl- 

 town Lake (605); Besancon's Lake, Pictou Co. (733); 

 Musqudoboit Lake (879). 



lunula Grun. High Pond, Pictou Co. (372); Earltown 

 Lake (605). 



Mackayiana Temp. & Peragallo. New species. Similar to 

 the form in Atlas A. S. pi. 10, fig. 49, 50, but at the 

 center much more developed, with striae less radiant 

 and strongly granulated to the number of 7 on the 

 back and 8 on the belly in 10 mu. Length 60 mu., 

 breadth 20 mu. Mill's Pond, Morris River (395). 



turgidum Greg. Drakesville (679). 



ventricosum Grun. Grant Lake (374); Besancon's Lake 

 (733); Cornwallis (992). 

 Epithemia amphicephala Grun. Maclean Pond (394). 



gibba Ktz. Maclean Pond (394); Earltown Lake (605); 

 Drakesville (679). 



turgida Ktz. Grant Lake (374); Maclean Pond (394); 

 Earlton Lake (605); Drakesville (679). 



turgida Ktz. var. granulata. Grant Lake (374); Mac- 



lean Pond (394); Earltown Lake (605). 



turgida Ktz. var. porcellus, forma excavata. Grant Lake 



(374). 



Westermanii Ktz. Drakesville (679). 



Epithemia zebra Ktz. Grant Lake (374); Maclean Pond 

 (394); Earltown Lake (605); Drakesville (879). 



zebra Ktz. forma minor. Grant Lake (374). 



forma proboscidea. Drakesville (679). 



Eunotia arcus Ehr. Mackintosh Lake (14, 15); High Pond 



(372); Grant Lake (374); Besancon's Lake (733); 

 Cornwallis (992). 



