21 
Navicula monmouthiana Grun., Sv. vet.-Akad. Handl., vol. 17, p. 4. 
Cleve, Sv. Vet.-Akad. Handl. II, vol. 26, p. 134, PI. 5, fig. 20. Yermoloff, 
Jour. Quek. Club, ser. 2, vol. 13, p. 419, PL 27, figs. 1, 2. Other forms of 
the “Monmouthiana Integral’ * also occur. 
Fitzgerald lake, N.B. 
Navicula oblonga Kiitz., Bac., p. 97. A. Schmidt, Atlas, PI. 47, fig. 67. 
Van Heurck, Syn. Diat. Belg., PI. 7, fig. 1. Boyer, Diat. Philadelphia, 
PL 27, fig. 21. 
McKay lake, Ont.; Pukaist creek, Deadman river, B.C. 
Navicula peregrina (Ehrenb.) Kiitz., Bac., p. 97. A. Schmidt, Atlas, 
PL 47, fig. 57. Boyer, Diat. Philadelphia, PL 26, fig. 20. 
Earltown lake, Brora lake, N.S.; McKay lake, Ont. 
Navicula pseudobacillum Grun., Sv. Vet.-Akad. Handl., vol. 17, p. 45, 
Pl. 2, fig. 52. Van Heurck, Syn. Diat. Belg., Pl. 13, fig. 9. 
Bass River lake, Slack lake, Earltown lake, Brora lake, N.S.; 
Fitzgerald lake, N.B.; Prospect lake, Chilliwack (south of), Pukaist creek, 
B.C. 
Navicula pupula Kiitz., Bac., p. 93. Cleve and Grun., Sv. Vet.- 
Akad. Handl., vol. 17, p. 45, PL 2, fig. 53. Van Heurck, Syn. Diat. Belg., 
Pl. 13, fig. 15. 
Little River, N.S.; McKay lake, Ont. 
Navicula radiosa Kiitz., Bac., p. 91. A. Schmidt, Atlas, Pl. 47, fig. 52. 
Van Heurck, Syn. Diat. Belg., Pl. 7, fig. 20. Boyer, Diat. Philadelphia, 
PL 26, fig. 17. 
Generally distributed. 
Navicula rhyncocephala Kiitz. W. Smith, Syn. Brit. Diat., vol. 1, p. 
47, PL 16, fig. 132. Van Heurck, Syn. Diat. Belg., PL 7, fig. 31. Boyer, 
Diat. Philadelphia, PL 31, fig. 8. 
McKay lake, Ont. 
Navicula semen Ehrenb., Cleve, Sv. Vet.-Akad. Handl. II, vol. 26, 
p. 138. Boyer, Diat. Philadelphia, PL 26, fig. 11. 
Morden, Bass River lake, N.S.; Chaffey township, Ont.; Prospect 
lake, Blackwater river, B.C. 
Navicula tuscula (Ehrenb.) Grun., in Van Heurck, Syn. Diat. Belg., 
PL 10, fig. 14. 
McKay lake, Ont. 
Navicula vulpina Kiitz., Bac., p. 92. Van Heurck, Syn. Diat. Belg., 
PL 7, fig. 18. ( Navicula viridis major , acc. to Cleve.) A. Schmidt, Atlas, 
PL 47, figs. 53, 54. 
Little River, Earltown lake, N.S. 
