120 
DESMEPOEIDiE. 
Figures. 
PL III. Fig. 4. A zoarium, showing the base, peduncle, and 
obverse surface of a complete branch ; X 4 dia. Middle Chalk — 
zone of Mi cr aster cortestudinarhm : Chatham. Gamble Coll. 
D. 3967. 
PI. III. Fig. 3. Part of a stem with somewhat irregular 
pinnules. Fig. obverse face; X 11 dia. Fig. 3i, reverse 
face; X 1 1 dia. Middle Chalk — zone of Micraster cortestudinarhm : 
Chatham. Gamble Coll. D. 3966. 
LIST OF SPECIMENS. 
D. 3966. A branch of a zoarium. Middle Chalk — zone of Micraster cor- 
. testudinarium. Chatham. Gamble Coll. Figd. PI. III. Figs. 3ff, b. 
D. 3967. A zoarium 'svith stem and one complete branch. An isolated fragment 
of another branch of the same zoarium (in tube). Middle Chalk — 
zone of Micraster cortestudinarium. Chatham. Gamble Coll. 
Figd. PI. III. Fig. 4. 
D. 688. A branch showing reverse face with well-developed pinnules (on 
slide). Middle Chalk — zone of Micraster cortestudinarium . 
Chatham. Vine Coll. No. 82, 4^. 
D. 736. Two specimens somewhat resembling the condition of Desmepora 
pinnigera, owing to the more ridge-shaped development of the 
lateral processes. Middle Chalk — zone of Micraster cortestu- 
dinarium. Chatham. Vine Coll. 
D. 3107. A branch 10 mm. long. Upper Chalk. Loc. ? Bowerbank Coll. 
D. 3959. pars. The second specimen (in tube) with that figured PI. II. 
Fig. 7, as Homoeosolen virgnlosus, is a branch of Semicgtis rugosa. 
Middle Chalk — zone of Micraster cortestudinarium. Chatham. 
Gamble ColL 
ECHINOCAVA, d’Orbigny, 1854. 
[Bry. Cret. p. 1012.] 
Synonyms. 
Ceriopora, pars, MicheKn, 1841. 
Echinopora, d’Orbigny, 1850 [non Lamarck). 
Diagnosis. 
Desmeporidae with a massive or branched' zoarium. The 
zooecia are long and are not arranged in layers. The fasciculi 
project above the general surface of the zoarium as spines 
or blunt projections on all sides of the stems. 
Type Species. 
Echinocava raulini Albian : Belgium. 
