BY HARDOLPH WASTENEYS. 127 
APPENDIX VI. 
LIST OF MICRO-ORGANISMS. OTHER THAN BACTERIA, FOUND 
IN THE LAGOON WATER, DURING THE PERIOD 
APRIL, 1904— JULY, 1905. 
DIATOMACEAE :— = Synedra ulna, Synedra_ pulchella, Nitzschia, 
Nayicula, Asterionella, Tabellaria, | Cocconeis, 
Himantidium. 
CYANOPHYCEAE :— Anabaena, Gleocapsa, Coelosphaerium, Micro- 
cystis, Oscillaria, Aphanocapsa, Lyngbya. 
SCHIZOMYCETES :— Crenothrix, Beggiatoa. 
CHLOROPHYCEAE :— Chlorococcum, Protococcus, Haematococcus, Scene- 
desmus, Coelastrum, Cosmarium, Palmella, Pan- 
dorina, Raphidium, Staurastrum, Conferva, 
Desmidium, Closterium, Volvox, Kirchneriella, 
Micrasterias, Ophiocytium, Pediastrum, Stauro- 
genia, Ulothrix, Xanthidium, Ankistrodesmus, 
Arthrodesmus, Botryococcus, Docidium, 
Sphaerozosma, Gloeocystis, | Dictyosphaerium, 
Dimorphococcus, Hyalotheca, Penium, Spirogyra, 
Stigeoclonium, Chaetophora, Zygnema, Micro- 
spora. 
PROTOZOA :— Peridinium, Dinobryon, Ceratium, Cryptomonas, 
Mallomonas, Vorticella, Chlamydomonas, Coleps, 
Enchelys, Euglena, Nassula, Paramaecium, 
Phacus. 
ROTIFERA :— Anuraea, Rotifera, Asplanchna, Diglena, Triarthra, 
Notholea. 
CRUSTACEA :— Bosmina, Cyclops, Daphnia, Diaptomus, Sida. 
OTHER ORGANISMS AES Arearina, Anguillula, Hydra, Spon- 
a. 
Those italicised occasionally observed in large numbers. 
Plumatella, Hydra and Spongilla plentiful on wooden piles in lagoon, 
and in low pressure lengths of pipe. 
