152 MR. G. S. WEST ON THE FRESHWATER ALGJE 
Family ЕОМОТТАСЕЖ. 
Genus EUNOTIA, Ehrenb. 
204. Eunoria PECTINALIS, Rabenh. Fl. Europ. Alg. i. (1864) p. 73.— 
Himantidium pectinale, Kitz. Bacill. 1844, t. 16. fig. 11. 
Tanganyika.—In swamp, Kituta (26 Aug. 1904 ; no. 80). 
Victoria Nyanza.—In swampy pool near Bukoba (20 Apr. 1905 ; no. 618) 
205. EUNOTIA LUNARIS, Grun. in Van Heurck, Synops. Diat. Belg. p. 144, 
t. 35. figs. 3, 4, 6.—Synedra lunaris, Khrenb.; W. Sm. Brit. Diat. i. p. 69, 
t. 11. fig. 82. 
Victoria Nyanza.—In swampy pools, Bukoba (20 Apr. 1905 ; no. 251), and 
among Utricularia, near Bukoba (20 Apr. 1905 ; no. 618). 
206. EuNoTIA BICEPS, Ehrenb., 1854.—Synedra biceps, W. Sm. Eunotia 
flexuosa, Kiitz., var. bicapitata, Grun. in Van Heurck, Synops. Lhat. Belg. 
p. 145, t. 35. fig. 11. 
Victoria Nyanza.—Among Utricularia, near Bukoba (20 Apr. 1905; 
no. 618), and in sheltered bay near Entebbe (1 May, 1905 ; no. 620). 
Family АСНМАМТНАСЕЖ. 
Genus ACHNANTHES, Bory. 
207. ACHNANTHES COARCTATA, Grun. in Cleve & Qrun. Aret. Diat. p. 20 
(1880). 
Nyasa.—S5wampy lake margin, Domira Вау (19 June, 1904 ; no. 519). 
208. ACHNANTHES LINEARIS, ( W. Sm.) Grun. l. e. p. 23.—Achnanthidium 
lineare, W. Sm. Brit. Diat. ii. p. 31, t. 61. fig. 381. 
Тапрапу Ка. — [п the plankton, Lofu River (5 Oct. 1904 ; no. 123). 
Family COCCONEIDACEZ. 
Genus COCCONEIS, Ehrenb. 
209. CoccoNEIS PLACENTULA, Ehrenb. Infus. р. 194 ; W. Sm. Brit. Diat. i. 
р. 21, t. 3. fig. 32. 
Victoria Nyanza.—Swampy pool near Bukoba (20 Apr. 1905; no. 618). 
In sheltered bay near Entebbe (1 May, 1905 ; no. 620). 
Tanganyika.—On stones, shells, submerged grasses, etc., Niamkolo Bay 
(Aug. 1904 ; nos. 40 and 44). Among various Algæ, Kituta Bay (26 Aug. 
1904; no. 79). In plankton, near Mbete (28 Sept. 1904 ; no. 105), Komba 
Bay (11 Oct. 1904 ; no. 135), off Chamkaluki (15 Nov. 1904 ; по. 160), and 
near Kala (19 Nov. 1904; no. 170). Also among Utricularia, mouth of 
Malagarasi River (16 Jan. 1905 ; no. 611). 
