82 CATALOGUE OF THE CRETACEOUS AND [bull. 152. 
Cycadeoidea Tysoniana Ward. Proc. Biol. Soc. Wash., vol. xi, p. 11, 
1897. 
Potomac formation : Maryland. 
Cycadeoidea Uhleri Ward. Proc. Biol. Soc. Wash., vol. xi, p. 14, 
1897. 
Potomac formation : Maryland. 
Cycadeoidea Zamiostrobus Solms= Cycadeoidea mirabilis. 
Cycadeoidea sp., Font. = Cycadeoidea marylandica. 
CYCADEOSPERMUM Saporta. PI. Jurass., vol. ii, p. 235, 1875. 
Cycadeospermum acutum Font. Potomac Fl., p. 270, pi. cxxxv, f. 
12, 1889. 
Potomac formation : Potomac Run, Virginia. 
Cycadesopermum angustum Font. Potomac Fl., p. 271, pi. cxxxv, 
f. 20, 1889. 
Potomac formation : Near Potomac Run, Virginia. 
Cycadeospermum (Dioonites) columbianus Dn.=Dioonites columbi- 
anus. 
Cycadeospermum columnare Lx. Fl. Dak. Gr., p. 31, pi. xliv, f. 7, 
8, 1891. 
Dakota group : Kansas. 
Cycadeospermum ellipticum Font. Potomac Fl., p. 271, pi. cxxxv, 
f. 19, 1889. 
Potomac formation : Near Dutch Gap Canal and Fredericksburg, 
Virginia. 
Cycadeospermum lineatum Lx. Fl. Dak. Gr., p. 30, pi. i, f. 14, 1891. 
Dakota group : Kansas. 
Cycadeospermum obovatum Font. Potomac Fl., p. 270, pi. cxxxv, 
f. 13, 1889. 
Potomac formation : Near Potomac Run, Virginia. 
Cycadeospermum rotundatum Font. Potomac Fl., p. 271, pi. cxxxvi, 
f. 12, 1889. 
Potomac formation : Kankeys, Virginia. 
Trinity division, Glenrose, Texas. 
Cycadeospermum spatulatum Font. Potomac FL, p. 271, pi. cxxxv, 
f. 11, 21, 1889. 
Potomac formation : Near Potomac Run, Virginia. 
CYCADINOCARPUS Schimper. Pal. Veg., vol. ii, p. 208, 1870. 
Cycadinocarpus circularis Newby. Fl. Amboy Clays, p. 46, pi. xlvi, 
f. 1-4, 1895 [1896]. 
Amboy clay : Woodbridge, New Jersey. 
CYCADITES Buckland. Geol. and Mineral., vol. i, p. 496, 1836. 
Cycadites pungens Lx. Fl. Dak. Gr., p. 30, pi. ii, f. 6, 1892. 
Dakota Group : Kansas. 
