FRESHWATER ALGAE FROM INDIA. 977 
————— 
Genus Tetraédron Kitz. 
67. T. regulare Kiitz. 
Var. longispinum Reinsch De Ton 
Hab. With the preceding species ( 
7Syll. Alg. 1, 1888, p. 605. 
32683). 
Genus Ankistrodesmus Corda. 
68. A. faleatus (Corda) Ralfs, Brit. Desm. 1848, p. 180, £.3 
Var. spiralis (Turn.) West. (Rap 
hidiwm spirale) Turn. Freshw. Alg. 
E. India, 1893, p. 156, t. 20, f. 26). 
Hab. With the preceding species (32683). 
Genus Scenedesmus Meyen. 
69. 8. bijugatus (Turp.) Kiitz 
Hab. With the preceding species (32683). 
70. S. quadricauda (Turp.) Bréb. Alg. Falaise 1835, p. 66. 
Hab. In shallow still water at Haflong (32700). 
71. 8. obliquus (Turp.) Kiitz 
Hab. Ditches of still water near Sadiya ( 
exhuded by root-pressure from. the cut 8 
39658) ; living in watery fluid 
tems of jute plant, near Bard- 
wan in the Bengal plain (2754 3). 
Genus Coelastrum Nag. 
72. €. cambricum Arch. 
Hab. In ditch at edge of rice fiel 
73. ©. microporum Nag. in A. Br. Alg 
Hab. With the preceding species (32683). 
74, €. morus West. Alg. C. Africa. 189 
Hab. In the River Dihang between Puak 
River (37698). 
Colonies of 8 cells only were most 
d near Sadiya (32683). 
- wnicell. 1855, P- 70. 
6, p. 5, +. 361 
 & * : 
and its tributary the Side 
frequent. 
Genus Sorastrum Kitz. 
75. &. spinulosum Nag. Gatt. einz. Alg. 1849; p. ree 
Hab. In ditch at edge of rice field neat Sadiy® ( : 
8 c 
