4 
Transactions of the Royal Society of South Africa. 
67. Slime on mud in exposed drying bed of stream, Kentani, July 24, 
1912. (Englena sp.) 
68. Pools of Buffalo Eiver at King William's Town, December, 1912. 
(Phormidium iniindatimi, Nitzschia imlea.) 
69. Pools of Buffalo Eiver at King William's Town, December, 1912. 
(Phormidimn autumnale, Trachelomonas volvocina, Nitzschia stagnorum, 
Achnanthes coarctata.) 
70. 71. Pools of Buffalo River at King William's Town, December, 1912. 
(Pediastrum tetras var. ajnculatum n. var., Tetraedron minimum, Scenedesmus 
quadricauda and var. ahundans, Stigeoclonium falklandicum (?), Cosmarium 
subcrenatuin, Spirogyra rivularis (?), Chroococcus minor, Phormidium tenue, 
Trachelomonas volvocina, Cyclotella operculata, Gomphonema lanceolatum, 
Synedra spp., Cymhella sp., Navicula producta, N. viridida.) 
78. Slime on stagnant water of marsh, Malan, Willowvale District, 
February 11, 1913. (Mainly iron-bacteria, with fragments of Spirogyra^ 
Cladophora, and Blue-green Algae.) 
79. On rock, over which Ngadu River runs, Malan, Willowvale District, 
February 10, 1913. (Cladophora glomerata, Phormidium autumnale, 
Synedra pulchella, Nitzschia sigmoidea, Gomphonema acuminatum forma.) 
81. Clinging to damp rock, Malan, Willowvale District, February 11, 
1913. {Phormidium laminosum, Calothrix sp.) 
82. On rock over which Ngadu River runs, Malan, Willowvale District, 
February 10, 1913. {Phormidium autumnale, Nostoc caeruleum, Synedra 
pulchella.) 
84. Slime on rock over which water has been running, Malan, Willowvale 
District, February 10, 1913. {Phormidium autumnale.) 
85. In standing water, Malan, Willowvale District, February 11, 1913. 
(Closterium moniliferum, G. pritchardianum forma, Spirogyra decimina f. 
fuellehornei, Zygnema sp., Aphanothece microscopica, Phormidium tenue, 
Nostoc muscorum, Calothrix sp. {adscendens?), Synedra ulna.) 
86. In slow-running water of marsh, Malan, Willowvale District, 
February 11, 1913. (Fragments of Nitella with Oedogonium sp., 
BuTbochaete sp., Cosmarium hammeri and var. africanum n. var., C. capense, 
C. laeve, C. punctulatum, C. quadrum var. minus, Spirogyra sp., Zygnema 
sp., Trihonema hombycinum f. minor, Oscillatoria hrevis, Synedra spp., 
PJunotia lunaris, Gomphonema angustatum.) 
87. In marshy ground, Malan, Willowvale District, February 11, 1913. 
(Nostoc sp.) 
99. Half-stagnant pool, sheltered by trees, Kentani, February 1, 1913. 
{Gonium p>ectorale, Eudorina elegans, Euglena sp., Synedra idna, Nitzschia 
acicularis.) 
100. Rain-washed ground, where grass has been removed, Kentani, 
March 29, 1913. {Hormidium flaccidum.) 
