420 
CLAUSA. 
characters are illustrated in Pocta’s figure (o;;. cit. p. 8, fig. 9, and 
PL lY. Pig. 21). 
LIST OP SPECDIEXS. 
D. 7066. Three fragments with high peristomes (on slide). Koryi-aner 
Schichten. Kank, Bohemia. Frit- Coll. 
D. 7067. Foiu’ fragments (on slide). Korycaner Schichten. Kauk, Bohemia. 
Fric Coll. 
D. 7068. Two fragments (on slide). Korycaner Schichten. Kank, Bohemia^ 
Fric Coll. 
D. 7069. Eleven fragments (on slide). Korycaner Schichten. Kank, Bohemia. 
Fric Coll. 
D. 4437. Two stems. Korycaner Schichten. Zbislav, Bohemia. Fric ColU 
6. Clausa globulosa (d’Orbigny), 1853. 
Synonymt. 
Claviclaiisa ghhulosa, d’Orbigny, 1853—1. Bry. Cret. p. 891, pi. 765, figs. 10-15. 
Heteropora ,, Pergens, 1890. Revision, p. 372. 
Claviclausa clegans, d’Orbigny, 1853-4. Bry. Cret. p. 891, pi. 765, figs. 6-9. 
Heteropora ,, Pergens, 1890. Re^•ision, p. 372. 
Claviclausa franeqana, d’Orbigny, 1853-4. Bry. Cret. p. 892, pi. 765, figs. 16, 17. 
Entalophora ,, Biicaille, 1890. Bry. Cret. Seine-Inf. : Bull. Soc. Sci. 
nat. Rouen, vol. xxv. p. 511. 
PlAUNOSIS. 
Zoarium of a rounded, more or less spherical head, attached by 
a cylindrical stem. The head is spherical or ovoid, or may 
be conical. The stem is long and thin or stout ; the diameter 
is uniform or irregular. 
Zooecia long, tubular, and sinuous, and well exposed throughout 
the stem. Those of the head are crowded and visible only 
at their ends. The orifices are subquincuncial and regular 
on the lower half of the head, but crowded and iiTegularh' 
arranged on the upper surface. In some specimens the point 
is occupied by a conical projection formed of long zooecia, 
the characters of which approximate to those of the stem. 
Lactylethrse confined to the head; forming a single serie^v 
between the adjacent zooecia. 
