FRESHWATER ALGJE OF THE WEST INDIES. 293 
Ord. PSEUDO-RAPHIDIER. 
Fam. ErITHEMIE. 
*74. EPITHEMIA GIBBERULA, Kuetz. Bacill. t. 30. f. 3*; Van 
Heurck, Diatom. (Engl. transl.) p. 297, t. 30. f. 825. 
Hab. On sides of road, Fort Charlotte, St. Vincent. No. 203. 
—In warm stream, road to Roseau Lake (2500 ft.), Dominica. 
Nos. 1177 and 1178.—On bank, road to Lake, Dominica. 
No. 1222. — Head of Castle Bruce River, Dominica. No. 1484.— 
On rocks, Hampstead Valley, Dominica (850 ft.). No. 2171. 
75. EUNOTIA GRACILIS, Rabenh. Flor. Europ. Algar. i. p. 72.— 
Himantidium gracile, Ehrenb. ; W. Sm. Brit. Diat. ii. p. 14, t. 83. 
f. 285. 
Hab. On banks, Morne Micotrin, Dominica. No. 1109.— 
On roadside, on bank and on trees in woods round Roseau Lake, 
Dominica (2700 ft.). Nos. 1160, 1161, and 1164.—On leaves 
in warm stream, road to Roseau Lake (2500 ft.), Dominica. 
No. 1178.—On rocks, Castle Bruce River, Dominica. No. 1697. 
— On rocks, Hampstead Valley, Dominica, No. 2171. 
#76. E. PECTINALIS, Rabenh. Flor. Europ. Algar. i. p. 73.— 
Himantidium pectinale, Kuetz. Baeill. t. 16. f. 2. 
Hab. In warm stream, road to Roseau Lake (2500 DA 
Dominica. No. 1177.— Ou ground, crater of Grande Soufrière 
(2000-3000 ft.), Dominica. No. 1835. 
*77. E. VENERIS, Kuetz. Bacill. p. 40, t. 80. f. 7.—E. incisa, 
Greg. 
Hab. In warm stream, road to Roseau Lake (2500 ft), 
Dominica. Nos. 1177 and 1178. 
*78. E. LUNARIS, Grun.—Synedra lunaris, Ehrenb.; W. Sm. 
Brit. Diat. i. p. 69, t. 11. f. 82. 
Hab. On leaves in warm stream, road to Roseau Lake (2500 ft.), 
Dominica. No. 1178.— On ground, crater of Grande Soutriére, 
Dominica (2000-3000 ft.). No. 1835. 
