1922] Hylander,—The Desmids of Connecticut T ADi: 
*M. CRENATA Dréi, New Haven (a), Newtown. 
M. cRUx-MELITENSIS (Ehrenb.) Hass. Litchfield (b), Middletown 
(Conn, see 2, p. 63), Washington. 
*M. DENTICULATA Bréb. Bethlehem, New Haven (a), Washington. 
*M. rATICEPS Nordst. Vidensk. Medd. Fóren. Kjóbenhavn 14:290. 
pl. 2, f. 14. 1870. Bethlehem, Middlebury, Suffield, Washington, 
West Haven (a). 
M. muricata (Bailey) Ralfs. Middlebury, Middletown (Conn, see 
2, p. 63). 
*M. PAPILLIFERA Bréb. Bethlehem, Middlebury. 
**M. PAPILLIFERA var. GLABRA Nordst. Bethlehem, Madison. 
M. rapiata Hass. Bethlehem, Middlebury, Middletown (Conn, 
see 2, p. 63, as M. furcata), Morris, Washington. 
M. morATA (Grev.) Ralfs. Bethany, Litchfield (b), Madison, 
Middletown (Conn, see 2, p. 63), Suffield, West Haven (a). 
M. sor (Ehrenb.) Kütz. Hamden (b), Middlebury, Middletown 
(Conn, see 2, p. 63), Orange, Plymouth, Suffield, Washington, West 
Haven (b). 
"TM. speciosa Wolle, Desm. U. S. 119. pl. 45, f. 1, 2. 1884. Beth- 
lehem. 
` M. rruncata (Corda) Bréb. Hamden (Evans), Killingworth, 
Middletown (Conn, see 2, p. 63), New Haven (a). 
COSMARIUM Corda 
*C. AMOENUM Bréb. Bethany, Middlebury, Newtown. 
*C. BIOCULATUM Bréb. Bethlehem, Middlebury, Morris, Orange, 
Plymouth, Suffield. 
*C. BIRETUM Bréb.. Guilford, Madison, Monroe (a). 
C. Boeck Wittr. Bridgeport (Johnson, 5, p. 287). 
C. Borrytis Menegh. Hamden (b), Middletown (Conn, see 2, 
p. 64), North Branford (a), Washington, West Haven (a). ` 
C. Broomer Thwaites. Middletown (Conn, see 2, p. 64), Suffield, 
West Haven (a). 
*C. CAELATUM Ralfs. West Haven (a), Woodbridge. 
*C. CIRCULARE Reinsch. Middlebury. 
*C. coNsPERSUM Ralfs. Morris, West Haven (b). 
C. CONTRACTUM Kirch. Killingworth, Middletown (Conn, see 2, 
p. 64). ! 
**C. ConBULA Bréb. Suffield. 
C. cRENATUM Ralfs. Middletown (Conn, see 2, p. 64). 
