332 Wisconsin Academy of Sciences, Arts, and Letters. 
SPHAEROCYSTIS Chodat 1897 
Sphaerocystis Schroeteri Chodat 
Big Dudley (rr), Black (1) (rr), Black (2) (ss), Brush (r), Burned 
Rock (rr), Butterfly (rr), Cornell (rr), Corner (r), Hamer (rr), Hen- 
shaw (r), Joseph (rr), Bake of Bays (sss), Leech (rrr), Long (2) (r), 
Loon (rr), McGowan (r), Marion (ss), Mill (r), Mud (rr), Muldrew (rr), 
Muskoka (rr), Nelson (rr), Nine Mile (rr), Otter (rrr), Pennsylvania 
(rr), Rosseau (r), Rowley (r), St. Mary (sss), Strange (rrr), Vernon 
(r), White (r). 
GLOEOCYSTOPSIS G. M. Smith 1916 
Gloeocystopsis limneticus G. M. Smith 
Black (1) (rrr), Butterfly (rrr). Otter (rrr), Silver (2) (rr), Vernon 
(rr). 
ASTEROCOCCUS ScherfM 1908 
Asterococcus limneticus G. M. Smith 
Black (1) (r), Harbon (rr), Long (1) (rrr), McGowan (r), Muldrew 
(rr), Muskoka (rrr), Otter (sss), Rowley (rr), Silver (1) (rrr). 
Family DICTYOSPHAERIACEAE 
DICTYOSPHAERIUM Nageli 1849 
Dictyosphaerium Ehrenbergianum Nag. 
Gull (1) (rrr), Pine (rrr). 
Dictyosphaerium pulchellum Wood 
Big Dudley (rrr), Black (1) (r), Brush (s), Burned Rock (r). But¬ 
terfly (rr), Cornell (r), Clear (1) (rr), Clear (2) (rr), Echo (rrr), 
Hamer (rrr), Harbon (rrr), Henshaw (rrr), Lake of Bays (rrr), Leech 
(rrr), Little Dudley (rr), Long (2) (rrr), Loon (rrr), McGowan (rrr), 
Mud (rrr), Muldrew (rrr), Muskoka (rrr), Nelson (rr), Nine Mile (rr), 
Pennsylvania (rr), Rosseau (rrr), Rowley (rrr), St. Mary (rr), Silver 
(1) (rr), Vernon (rrr), White (r). 
DIMORPHOCOCCUS A. Braun 1855 
Dimorphococcus lunatus A. Br. 
Basil (r), Big Dudley (rrr), Black (1) (rrr), Burned Rock (rr), But¬ 
terfly (rrr), Gull (1) (sss), Leech (rrr), Long (1) (rrr), Loon (rr), 
Marion (rrr), Nelson (rr), Pine (rrr), Silver (1) (r). 
