PLATE V. 
Fig. 1. Berenicea gracilis (Edw.). Lower GreeusaDd : Isle of Wight. 
A zoarium encrusting Choristopetalum impar, x 8 dia. 
Morris Coll. [46,802.] 
Fig. 2. Berenicea diluviana^ Lamx. Combrash ; loc. ? A young 
zoarium encrusting a Zeilleria obovata (Sow.), x 14 dia, 
Morris Coll. . [50,774.] 
Fig. 3. Berenicea jessoni (Vine). Upper Greensand ; Cambridge. 
A small zoarium, x 14 dia. Jesson Coll. [D. 2964,] 
Fig. 4, Berenicea conjluens (Rss.). Upper Greeasand : Cambridge 
A young zoarium, x 10 dia. Vine Coll. [D. 2981.] 
Fig. 5. Berenicea polystoma ( Rbm. ). Middle Chalk : Chatham. 
A zoarium, x 10 dia. Vine Coll. [D. 2987.] 
Fig. 6. Berenicea papillosa (Rss.). Middle Chalk : Chatham. 
A zoarium with a circular series of gonocysts, x 3 dia. 
Vine Coll. [D. 2614.] 
Fig. 7. Berenicea. papillosa Upper Chalk; Norwich. Fig. 7«, 
part of zoarium showing a gonocyst, x 16 dia. ; Fig. 76, 
part of margin of the same specimen with a young zoarium, 
X 10 dia. Bayfield Coll. [24,887.] 
Fig. 8. Berenicea p)apillosa Middle Chalk ; Chatham. A broken 
gonocyst with intra-gonocystal apertures,' x 22 ' dia. Vine 
Coll. [D. 2982.] 
Fig. 9. Berenicea papillosa (Rss.). Middle Chalk : Chatham. Part 
of a very thin zoarium, x 10 dia. Gamble Coll. [D. 3917.] 
