Contrihutions to Our Knowledge of the Freshwater Algae of Africa. 5 
158. In pools, Quiiigolo, Mqanduli District, December 23, 1913. 
Eed deposit due to iron-bacteria. (Chlamydomonas sp., Scenedesmus 
quadricauda var. horridus, Closterium ]iegleri n. sp., Cosmarium granatum, 
C. capense, C. laeve forma, Chroococcus turgidus, Coelosphaerium Jcuet- 
zingianum, Oscillatoria limosa, Trachelomonas hispida, Synedra uhia, 
Cymhella helvetica, Gyrosigma acuminatum^ Uhopalodia gihba, Surirella 
ovalis forma, Stauroneis acuta, Pimiularia dactylus, Navicida vuljpina, 
N. viridula, N. ovalis.) 
159. In pools, Quingolo, Mqanduli District, December 23, 1913. 
(Pediastrum integrum var. pearsoni, Scenedesmus quadricauda var. horridus, 
Goelastrum microporum, Dictyosphaerium imlchellum, Spirogyra sp., 
Oedogonium pringsheimii, Bulhochaete sp., Closterium pegleri n. sp., 
Cosmarium hotrytis, Staurastrum striolatum, Zygnema sp., Chroococcus 
turgidus, Gloeothece spp., Gomphosphaeria aponina, Merismopedia glauca, 
M. punctata, Phormidium valderiamim, Synedra pulchella, Cymhella spp., 
Denticula denticida, Achnanthes exilis, Gomphonema gracile var. dichotoma, 
Surirella ovalis, Epithemia zebra, Stauroneis acuta, Navicida vulpina, 
Cymatopleura solea.) 
160. On dry rocks, within reacli of swollen river, Quingolo, Mqanduli 
District, December 23, 1913. (Fragments of Nitella witli Synedra ptdchella 
and Cymhella cymhiformis. ) 
161. Stagnant pool, Umtata Park, January 10, 1914. {Oscillatoria spp., 
Euglena spp., Synedra ulna, Nitzschia palea, N. stagnorum, N. tryhlionella, 
Surirella ovalis, Navicula exilis, N. mutica.) 
311. On decayed Typha in exposed stream, Quingolo, Mqanduli District, 
October 21, 1916. (Gloeocystis vesiculosa, Pediastrum spp., Scenedesmiis 
hijugatus, Geminella interrupta, Chaetosphaeridium glohosum, Oedogonium 
varians (?), Btdhochaete sp., Cosmarium spp., Spirogyra sp., Zygnema 
cyanospermum forma, Mougeotia sp., Chroococcus turgidus, Merismopedia 
glauca, Peridinium sp., and various Diatoms.) 
3] 2. Exposed stream, Quingolo, Mqanduli District, October 21, 1916. 
(Same as last with Scenedesmus quadricauda and var. dispar, Closterium 
moniliferum, Cosmarium meneghinii f. africana, C. sportella var. simplex 
n. var., Zygnema sp., Gomphosphaeria aponina, Oscillatoria animalis, 
Trachelomonas volvocina.) 
313. Exposed stream, Quingolo, Mqanduli District, October 21, 1916. 
(Spirogyra sp. with Cymatopleura and other Diatoms.) 
314. Exposed stream, Quingolo, Mqanduli District, October 21, 1916. 
(Similar to 312, though with fewer species.) 
315. Floating dark slime, in exposed stream, Quingolo, Mqanduli 
District, October 21, 1916. (Similar to 312, but with fewer species. 
Also present : Closterium leihleinii, Nitzschia acicularis and other species, 
Gyrosigma acuminatum.') 
