OF THE THIRD TANGANYIKA EXPEDITION. 121 
95. Cosmarium Bryrri, Wille, in Vid.-Selsk. Forhandl. C hristiania (1880), 
no. 11, p. 25, t. 1. fig. 7. 
Nyasa.—On the shore, Domira Bay (19 June, 1904; no. 17). 
Victoria Nyanza.—Among Utricularia, near Entebbe (1 May, 1905; no. 620). 
Tanganyika.—In plankton, Lofu River (5 Oct. 1904; no. 123). 
96. Cos MARIUM SUBCOSTATUM, Nordst. in Ofcers. К. Vet.- Akad. Едт. (1816) 
no. 6, p. 37, t. 12. fig. 13. 
Long. 33 ш; lat. 29 ш; lat. isthm. 9 р. 
Tanganyika.—In swamp, Toa (10 Jan. 1905; no. 208). 
Forma minus, W. & G. S. West, in Journ. Bot, xxxiv. (1896) p. 379, t. 361. 
fig. 15. 
Nyasa.—Swampy lake margin, Domira Bay (19 June, 1904 ; no. 519). 
97. COSMARIUM scvBPROTUMIDUM, JVordst. in Ofvers. К. Vet.-Akad. Fórh. 
(1876) p. 38, t. 12. fig. 14. 
Long. 24-25 д; lat. 22-23 ш; lat. isthm. 6-7 p. 
Nyasa.—Swampy lake margin, Domira Bay (19 June, 1904 ; no. 579). 
Victoria Nyanza.—Swampy pools, Bukoba (20 Арг. 1905; no. 251). 
Tanganyika.—In swamp, Kituta (26 Aug. 1904; no. 80). 
Schmidle has described a species from Nyasa as C. occultum which stands 
very near to C. subprotumidum. 
98. COSMARIUM GLYPTODERMUM, W. & G. S. West, in Trans. Linn. Soc. 
ser. 2, Bot. v. (1895) p. 69, t. 7. fig. 23. 
Long. 70-80 ш ; lat. 45-55 и; lat. isthm. 34 м. 
Tanganyika.—Abundant in swamp, Kituta (23 Aug. 1904 ; no. 72. Also 
26 Aug. 1904 ; no. 80). 
99. COSMARIUM BINTM, Nordst. in Wittr. 6 Nordst. Alg. Елвіс. (1880) 
no. 383, fasc. 21 (1889), p. 39 ; De Toni, Syll. Alg. i. p. 993. 
Nyasa.—In shore pools, Nkata Bay (23 June, 1904 ; no. 22). 
Victoria Nyanza.—Swampy pools, Bukoba (20 Apr. 1905 ; no. 251). 
Tanganyika.—In plankton, Lofu River (5 Oct. 1904 ; no. 123). 
100. Cosmarium sUBSPECIOSUM, JVordst. in (сет. К. Vet.-Akad. Fórh. 
(1875) no. 6, p. 22, t. 6. fig. 13. 
Tanganyika.—In swamp, Mbete (28 Sept, 1904 ; no. 108). 
101. COSMARIUM MULTIORDINATUM, W. $ (7. 5. West, in Journ. Dot. xxxv. 
(1897) p. 121, t. 367. fig. 8. 
Long. 66 ш; lat. 48 ш; lat. із. 15 м. 
Victoria Nyanza.—Swampy pools, Bukoba (20 Apr. 1905 : no. 251). 
The original examples of this species were described from Pungo Andongo 
