Smith—Phytoplankton of the Muskoka Region . 
331 
OPHIOCYTIUM Nageli 1849 
Ophiocytium capitatum Wolle 
Big Dudley (rr), Black (1) (rr), Harbon (rr), Marion (rrr), Mill 
(rrr), Otter (rr), Thompson (rrr), Vernon (rrr). 
var. longispinum (Mobius) Lemm. 
Brush (rrr), Burned Rock (rrr), Loon (rrr), Nine Mile (rr). 
Class CHLOROPHYCEAE 
Order Volvocales 
GONIUM Muller 1773 
Gonium pectorale Muller 
Clear (2) (rrr), Long (2) (rrr). 
PANDORINA Bory 1824 
Pandorina morum Bory 
St. Mary (rrr). 
EUDORINA Ehrenberg 1832 
Eudorina elegans Ehrenberg 
Brush (rrr), Burned Rock (rr), Butterfly (rr), Echo (rrr), Gull (rrr), 
Harbon (rrr), Henshaw (rrr), Lake of Bays (rrr), Long (2) (rrr), Mill 
(rrr), Mud (r), Muldrew (rrr), Nelson (rrr). Nine Mile (rrr), Otter 
(rr), Pennsylvania (rr), Pine (rrr), Strange (r), Vernon (rrr). 
VOLVOX L. 1758 
Volvox aureus Ehrenberg 
Mud (rrr). 
Order Protococcales 
Family PALMELLACEAE 
GLOEOCYSTIS Nageli 1849 
Gloeocystis gigas (Ktz.) Lag. 
Clear (2) (rr), Silver (2) (rrr). 
