1922] Hylander,—The Desmids of Connecticut 219 
*C. SETACEUM Ehrenb. Bethlehem, Middlebury, Orange, Wash- 
ington. 
C. stricosum Dréi, Middletown (Conn, see 2, p. 60). 
*C. sTRIOLATUM Ehrenb. Madison, Middlebury, Morris. New 
Haven (a). 
C. suscostatum Nordst. in Wittr. E Nordst. Alg. Exs. 370. 
Middletown (Conn, see 2, p. 61). 
*C. roxon West. Southington. 
*C. rumipum Johnson. Hamden (a), Monroe (b), Southington. 
C. TURGIDUM Ehrenb. Middletown (Conn, see 2, p. 60). 
*C. ULNA Focke. Orange, Thomaston. 
*C. Venus Kütz. Hamden (a, b), Killingworth, Litchfield (a), 
Middlebury, Morris, North Branford (a), Orange, Thomaston, 
Suffield, Washington. 
DOCIDIUM Bréb. 
*D. UNDULATUM Bailey Middlebury. 
D. Bac (Bréb.) DeBary. Middlebury, Middletown (Conn, 
see 2, p. 61). 
PLEUROTAENIUM Nag. 
*P. coRoNATUM (Bréb.) Rabenh. Middlebury, Morris. 
P. CORONATUM var. FLUCTUATUM West. Bethlehem, Middletown 
(Conn, see 2, p. 61, as P. crenulatum), Orange. 
P. NoposuM (Bailey) Lund. Middlebury, Middletown (Conn, see 
2 p. 61). 
*P. TRUNCATUM (Bréb.) Nig. Bethlehem, Middlebury. 
P. TRABECULA (Ehrenb.) Nig. Bethlehem, Middlebury, Middle- 
town (Conn, see 2, p. 61), New Haven (a), Newtown, North Branford 
(b), Killingworth, Suffield, West Haven (Evans), Washington. 
TRIPLOCERAS Bailey 
TT. cRACILE Bailey. Washington. 
TT. vERTICILLATUM Bailey. Middletown (Conn, see 2, p. 61, as 
Docidium.) : j 
TETMEMORUS Ralfs 
ST BrEBISSONII (Menegh.) Ralfs. Bethany, Hamden (Carter d 
Evans,) Killingworth, Newtown, West Haven (a). ' 
"T. LAEVIS (Kütz.) Ralfs. Bethany. 
EUASTRUM Ehrenb. 
*E. AFFINE Ralfs. Southington. 
