CEEIOPOEA. 
161 
arranged layers, indicating that the species belong to Reptomulticava. 
Simonowitsch describes the zoaria in his specimens as composed of 
layers separated by gebogene parallele Linien.” 
LIST or SPECIMENS. 
B. 3289, A clavate zoarium of the shape and structure of the var. theloidea. 
Maastrichter Kalk. Maastricht. Van Breda Coll. 
B. 3756. Three zoaria of the var. theloidea (on slide). Identified as H. theloidea 
by M. Pergens. Maastrichter Kalk. Maastricht. Gamble Coll. 
The following specimens, though not Bryozoa, were referred to 
this species by Yine : — 
B. 414. A curved fragment of a fossil (on slide). C'haW—zo'ae oi Micraster 
cortestudinarium. Chatham. Vine Coll., No. 82. 
B. 701. Two fragments of fossils (on slide), labelled Ceriopora micropora, 
Goldf. = B. digitalis, d’Orb., pi. 791, figs. 8, 9. Chalk— zone 
of Micraster cortestudinarium. Chatham. Vine Coll., No. 96. 
2. Ceriopora farringdonensis, Gregory, 1909. 
Synonymy. 
Ceriopora farringdonensis, Gregory, 1909. NewCret. Bry. : Geol. Mag. dec. v. 
vol. vi. p. 63. 
Diagnosis. 
Zoarium nodular with tuberous upper surface, and sometimes 
sub-pedunculate below. The tubercles, which are sparse and 
low, pass into short, finger-shaped lobes. Surface smooth, 
but weathered specimens may look variolated owing to the 
formation of depressions. Surface, when well preserved, 
covered in places by a thin calcareous epizoarium, which 
closes most of the apertures. 
Zooecia larger than the average of the genus ; from twelve 
to twenty apertures per sq. mm. Walls thick and distinctly 
moniliform in longitudinal section. 
Diameter of zooecia about *2 mm. 
Dimensions. 
D. 3144. 
55,111. 
10,298. 
mm. 
mm. 
mm. 
Zoarium 
50 high 
(25 high 
1 28 broad 
35 
38 
Diameter of tuberous processes . , . 
14 
— 
6-8 
Diameter of apertures 
•2 
— 
— 
Number of apertures per sq. mm.... 
20 
12 
20 
M 
