24 
EPITHEMIA Br4b. 
Epithemia argus (Ehrenb.) Kiitz., Bac., p. 35. Van Heurck, Syn. 
Diat. Belg., PI. 31, fig. 15. A. Schmidt, Atlas, PI. 251, figs. 1-8. Boyer, 
Diat. Philadelphia, PI. 31, figs. 15, 21. 
Poliet lake, N.B. 
Epithemia sorex Kutz., Bac., p. 33. Van Heurck, Syn. Diat. Belg., 
PI. 32, figs. 7, 8. A. Schmidt, Atlas, PI. 252, fig. 25. 
Little River, N.S. 
Epithemia turgida (Ehrenb.) Kutz., Bac., p. 34. Van Heurck, Syn. 
Diat. Belg., PI. 31, figs. 1, 2. A. Schmidt, Atlas, PI. 250, figs. 1-5. Boyer, 
Diat. Philadelphia, PI. 31, fig. 14. 
Little River, Slack lake, Earltown lake, N.S. ; Pollet lake, Fitzgerald lake, 
N.B.; Prospect lake, Quamichan lake, Pukaist creek, Deadman river, B.C. 
Epithemia zebra (Ehrenb.) Kutz., Bac., p. 34. Van Heurck, Syn. Diat. 
Belg., PL 31, fig. 9. A. Schmidt, Atlas, PI. 252, figs. 1, 3. 
Little River, Bass River lake, Slack lake, Clear lake, N.S.; Cobble Hill, 
Quamichan lake, Pukaist creek, B.C. 
Epithemia zebra minor Van Heurck, Syn. Diat. Belg., PL 33, figs. 11-13. 
Fitzgerald lake, N.B. 
rhopalodia O. Muell. 
Rhopalodia gibba (Kutz.) 0. Muell. Epithemia gibba (Ehrenb.) Kutz., 
Bac., p. 35. Van Heurck, Syn. Diat. Belg., PL 32, figs. 1, 2. Boyer, Diat. 
Philadelphia, Pl. 31, fig. 23. 
Nova Scotia and New Brunswick deposits; McKay lake, Ont. 
Rhopalodia ventricosa (Kutz.) O. Muell. Epithemia ventricosa Kutz., 
Bac., p. 35. W. Smith, Syn. Brit. Diat., vol. 1, PL 1, fig. 14. Boyer, 
Diat. Philadelphia, Pl. 31, fig. 24. 
Earltown lake, N.S.; Moncton, N.B.; McKay lake, Ont.; Deadman 
river, B.C. 
hantzschia Grun. 
Hantzschia amphioxys (Ehrenb.) Grun,, Sv. Vet.-Akad. Handl., vol. 17, 
p. 103. Van Heurck, Syn. Diat. Belg., Pl. 56, figs. 1, 2, 4. W. Smith, Syn. 
Brit. Diat., vol. 1, Pl. 13, fig. 105. Boyer, Diat. Philadelphia, PL 39, fig. 6. 
North River, Factory Dale, Slack lake, N.S.; Desert river, Que. 
Hantzschia elongata (Hantzsch) Grun., Sv. Vet.-Akad., vol. 17, p. 104. 
Nitzschia amphioxys elongata (Grun.) Van Heurck, Syn. Diat. Belg., 
Pl. 56, fig. 8. 
Generally distributed in Nova Scotia and New Brunswick. 
