BEITISH PAL^OGBNE BEYOZOA. 277 



PLATE XXX. 



Fig. 1. Lunulites transiens, n. sp., p. 2.S3. Bracklesham Beds, Bracklesham. Brit. Mus. 

 No. B 49724. x V diam. The centre of a zoarium, with the " ancestrula." 



4 



Fig. 2. Lunulites transiens, n. sp. Bracklesham Beds, Bracklesham. Brit. Mus. 



No. B 4339. X 18 diam. In the lower part the front wall has been broken 



away. 

 Fig. 3. Lunulites transiens, n. sp. Bracklesham Beds, Bracklesham. Brit. Mus. No. 



49723. X 3^ diam. Part of a worn zoarium resembling L. urceolata, 



Lamk. 

 Fig. 4. Biselenaria offa, n. sp., p. 235. Barton Beds, Barton. Brit. Mus. No. 4976G. 



Upper surface of the zoarium. X 18 diam. Fig. 4 a. A fragment of another 



zoarium showing the zocecia of the under surface. Brit. Mus. No. 49766. 



X 18 diam. 

 Fig. 5. Biselenaria offa, n. sp. Barton Beds, Barton. Another specimen: upper 



surface. Brit. Mus. No. 49759. X f diam. 

 Fig. 6. Micropora cribriformis, n. sp., p. 236. Barton Beds, Barton. Brit. Mus. 



No. B 4583. X 55 diam. 

 Fig. 7. Onychocella magnoaperta, n. sp., p. 237. Brockenhurst Beds (Mid. Headon), 



Brockenhurst. Brit. Mus. No. 49738. x t'diam. 



4 



Fig. 8. Cribrilina vinei,n. sp., p. 238. London Clay, Sheppey. Brit. Mus. No. B 4514. 



(Vine's type oi Membraniporella nitida.) 

 Fig. 9. Schizoporella magnoaperta, n. sp., p. 239. Barton Beds, Barton. Brit. Mus. 



No. 49733. X | diam. 



3 



Fig. 10. Schizoporella magnoincisa, n. sp., p. 240. London Clay, Hampstead. Brit. 

 Mus. No. B 4515. X 30 diam. 



Fig. 11. Adeonellopsis incisa, n. sp,, p. 247. London Clay, Haverstock Hill. Brit. 

 Mus. No. 49661. x 55 diam. 



Figs. 12 & 13. Adeonellopsis wetherelli, n. sp., p. 245. London Clay, Haverstock Hill. 

 Brit. Mus. No. 49756. Fig. 12 a. A zoarium, x 3 diam. Fig. 12^. Upper 

 zocecia of the same, x 55 diam. Fig. 12 c. Lower zocecia of the same, x 18 

 diam. Fig. 13. Basal zocecia : No. B 3832; x 18 diam 



