A BIBLIOGRAPHY OF AFRICAN FRESHWATER ALGAE 
233 
Zahlbruckner a. (1904). -— Kryptogamae exsiccatae. Ann. naliirh. (Mus.) 
Hofrnus., Wien, 19 : 402-403. 
Zanf.veld J. S. (1939). — Nitella madagascaricnsis. nov. spec., with noies 
on the Charophyta of Madagascar. Blnmea, 3 : 372-387. 
Zanon V. (1938). — Diatomee délia regione del Kivu (Congo Belga). 
Comment, pontif. .Acad. Sd., 2 ; 535-668. 
— (1941u). — Diatomee dcU’Africa Occidentale Francese. Comment, 
pontif. Acad. Sci., 5 : 1-60. 
-- (1941b). — Diatomee dei Laghi Galla (A. O. I.). Mem. R. Accad. 
liai., 12 : 431-568. 
ZiMMERMAN C. (1909). — Bcitrag zur Kenntnis der Diatomaceen-flora der 
Inseln Madeira und Porto Santo. Broteria, Botany, 8 ; 114-127. 
— (1914). — Conlribiiiçâo para o conhecimento das Diatomaceas da 
Provincia de Moçambiquc. Broteria, Botany, 12 : 155-162. 
REGIONAL INDEX 
ALGERIA 
Araos.sé 1941. 
Beadle 1943. 
Behre 1953. 
Belloc 1893; 1895; 1896. 
Debray 1893; 1897. 
Desfontaines 1799. 
De Toni G. B. 1899. 
De Toni & Saccardo 1890. 
Fcldmann G. 1945; 1946. 
Feldmann J. 1938; 1944; 1947. 
Feldmann .1. &. G. 1941. 
Flahault 1906(7). 
Frémy 1930a; 1935. 
Gauthier-Lièvre H. 1924b; 
1925a,b. 
Gauthier-Idèvre L. 1931; 1941a; 
1951; 1954. 
Gayral 1951a,b. 
(rayral & Bourrelly 1950. 
Hariot 1913b. 
Hollande, Enjumet & Lafaurie 
1954. 
Jourdan 1866. 
Julien 1894. 
Killian 1936. 
Lemée 1948. 
Mason 1939. 
Migula & Schmidie 1904. 
Montagne 1846. 
Nicolas 1912. 
Nordstedt 1889. 
Petit 1897. 
Sauvageau 1892; 1895. 
Seurat & Frémy 1935; 19371). 
Tempère & Peragallo 1889-1915. 
Trabut 1887. 
Zanon 1941a. 
ANGOLA 
Braun 1901. 
Comber 1901. 
Henriques 1884. 
Romanes 1917. 
Skuja 1931. 
Transeau 1933. 
Welwitsch 1868. 
West G. S. 1912a. 
We.st W. & G. vS. 1897; 1901. 
AZORES 
Archer 1874; 1875. 
Barrois 1896. 
Bohlin 1901. 
Bourrelly & Manguin 1946a,b. 
Ccdercreutz 1941. 
Dyer 1874. 
Holmboe 1901. 
Krieger 1930. 
Manguin 1942. 
Mosciv 1874. 
O’Mcara 1874. 
Riiciborski 1892. 
Trelease 1897. 
Tutin & Warburg 1932. 
BECHUANALAND 
Rich & Pocock 1933. 
