THE VICTORIAN NATURALIST. 41 



Sub-Order. — RivULARIACEiE. 

 Genus. — Calothrix, Ag. 

 C. parietina (Nag.), Thur. ... Rocks, Bot. Gardens, Melb. 



Genus. — Rivularia (Roth.), Ag. 

 R. calcarea, Eng. Bot. ... Geelong Reservoir 



Genus. — Gloeotricha, J. Ag. 

 G. echinulata (Eng. Bot.), Richter Heidelberg 



Order.— COCOOGONE/E. 

 Fam. — GhaniEesiphoniaceae. 

 Genus. — Chamcesiphon, A. Br. and Grun. 

 C. incrustans, Grun. ... ... Rosstown 



Fam. — Ghroococcaceae. 



Sub-Fam.— CHROOCOCCE^. 



Genus. — Chroococcus, Nag. 

 C. minor (Kiitz.), Nag. ... Yan Yean (weeds) 



Genus. — Gloeothece, Nag. 

 G. linearis, Nag. .... ... Yan Yean (weeds) 



Genus. — Aiohanothece, Nag. 

 A. microscopica, Nag. ... Cheltenham. 



The following list gives new localities for Desmids recorded for 

 Victoria in my previous list {Vict. Nat., vol. xxii., p. 64), which 

 see for authors' names and explanation of contractions, &c. : — 



Gonatozygon monotsenium ... Heidelberg 



Closterium leibleinii ... Heidelberg 



C. setaceum ... ... Yarra (lagoons) 



C. venus ... ... ... Heidelberg 



C. kutzingii ... ... Heidelberg 



C. striolatum ... ... Cheltenham 



Cosmarium contractual, var. 



ellipsoideum ... Heidelberg 



C. capitulura ... ... Heidelberg 



Xanthidium hastiferum ... Heidelberg and Yarra (lag.) 



Staurastrum hexacerum ... Heidelberg, Cheltenham, and 



Yan Yean (pool) 



S. aspersum ... ... Yan Yean (pool) 



S. submanfeldtii ... ... Heidelberg 



S. tetracerum ... ... Heidelberg, Cheltenham 



S. leptacanthum ... ... Cheltenham 



