A BIBLIOGRAPHY OF AFRICAN FRESHWATER ALGAE 
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la Guinée française. Bull. Mus. Ilist. nat., Paris, sér. 2, 17 : 70-7(5, 
162-1()5. 
Frémy P. & Btjroi.i.et P.-a. (1934). — Pugillus alf^arum maroocaiiaruni. 
BulL Soc. Soi. mit. Maroc, 14 : 156-158. 
Frémy P. see also Buroi.let P.-A.; Conrad W’.; Seurat L. G. 
Frenoukeli (î. (1929). — Bacillariales in Chiovenda, E. « Flora So- 
mala ». : 371-408 (Ronia). 
Fritsch F. E. (1907). — The Sulnierial and FreshAvater .\lgal Flora of 
lhe Tropics. A Phvtogcographical and Ecological Study. Ann. Bot., 
Lomi., 21 : 235-275. 
(1914). — Contributions lo our Knowledge of the Freshwater 
Algae of Africa. 1. Some Freshwater Algac froin Madagascar. .4nn. 
Biol, lacusl., 7 : 40-59. 
- (1918). — Contributions to our Knowledge of the Freshwater 
Algae of Africa. 2. A Fir.st Report on the Freshwater Algae, mostly 
from the Cape Peninsula, in the Herbarium of the South African 
Muséum. Ann. S. Afr. Mus., 9 : 483-611. 
— (1929). - - The Genus Sphaeroplea. Ann. Bot., Lond., 43 : 1-26. 
— (1932). — Exhibit of specimens of Protosiphon from Egypt. Proc. 
Linn. Soc. Lond., 144 ; 84-85. 
Fritsch F. E. & Ricii F. (1924). — Contributions lo our Knowledge of 
lhe Freshwater Algae of Africa. 4. F'reshwater and Subaerial Algae 
from Natal. Trans. roi/. Soc. S. Afr., il : 297-398. 
- (1927). — On some New Spccies of Chlamydomonaceae. Ann. 
Bol., Lond., 41 : 91-99. 
— (1929a). — Contributions to our Knowledge of the Freshwater 
Algae of Africa. 7. Freshwater Algae (exclusive of Diatoms) from Gri- 
qualand West. Trans. roij. Soc. S. Afr., 18 : 1-92. 
(1929))). — (Contributions to our Knowledge of the Freshwater 
Algae of Africa. 8. Bacillariales (Diatoms) from Griqualand West. 
Trans. roi/. Soc. S. .Afr., 18 : 93-123. 
--- (1937). — Contributions to our Knowledge of the Freshwater 
Algac of .\frica. 13. Algae from Belfast Pan, Transvaal. Trans. roij. 
Soc. S. Afr., 25 ; 153-228. 
Fritsch F. H. & Stephens E. l.,. (1921). — Contributions to our Know¬ 
ledge of lhe Freshwater .\lgae of Africa. 3. Freshwater Algae (exclu¬ 
sive of Diatoms) mainly from the Transkei Territories, Cape Colony, 
Trans. roy. Soc. S. Afr., 9 : 1-72. 
Gattefossé J. (1932). — Flore cryptogamique de la source thermale de 
Lalla Aia. Bull. Soc. Sci. nal. Maroc, 12 : 164-167. 
Gattefossé J. & Wkrner R. G. (1935a). — Catalogus alganim marocan- 
orum adhuc cognitorum. Bull. Soc. Sci. nat. Maroc, 15 : 72-107. 
— (1935b). — Contribution à la Flore cryptogamique du Maroc. 
Fasc. XI. Bull. Soc. Ilisl. mit. Afr. N., 26 : 72-84. 
Gauthier-I.ièvre h. (1924a). - - Schizophycées littorales de la petite 
Syrie (Tunisie), récoltées par M. Seurat au cours de ses derniers 
voyages (1922-1923). Bull. Soc. Ilht. nat. .Afr. N., 15 : 129-130. 
— (1924b). - - .Algues et Schizophycées de l’Afrique du Nord. 1''* note. 
Bull. Soc. Ilist. nat. .Afr. N., 15 130-137. 
— (1925a). — Algues et Schizophycées... 2'’ note. Bull. Soc. Ilist. nal. 
Afr. N., 16 : 287-300. 
— (1925b). — Quelques observations sur la flore algale de l’Algérie 
