INDEX TO THE WOODCUTS. 593 



Ko. Page 



C. Flustra securifrons. Oceciuni .... After Smitt 121 



L'3. Idmunea. Early stage T. II 451 



25. Lic/ieno2)ora hispida, var. meandrina. After Peach 475 



41. Loxosoma phascolosomatum After Vogt 574 



42. ,, ., With) .„, T, 



." • 11 -1 J } After Baerois o/o 



stem spirally coiled j 



9. Microporella ciliata. Median pore. . T. H 210 



8. „ Malusii. Median pore T. H 205 



10. „ „ Primary cell T. H 212 



11. „ „ Centre of colony T. H 212 



12. „ violacea. Young cell. . T. H 219 



27. MimoseUa ffraeilis T. II 489 



34. „ _ „ . Upper portion ( ^ jj 557 



of pinna ( 



17. Mucronella coccinea. Primary cell. T. II 373 



16. „ Peachii. „ „ T. H 361 



36. Pedicellina cernua T. H 566 



37. „ nutans T. H 568 



38. „ „ T. H 569 



39. 1 „ cernua and nutans. In ) t' w krq 



40. ) outline for comparison ( 



14. Porella compressa. Nat. size T. H 322 



18. Retepora. Young state After Busk 394 



13. Schizoporella spinifera. Primary cell T. II 242 



15. Smittia Landshorovii. Erect form . . After Alder 343 



7. Steganoporella. Sections of zooecia. T. II 177 



31. Triticella Korenii. Nat. size Aftei G, 0. Sars .... 545 



32. „ Boeckii After G. O. Sars .... 546 



26. Tuhulipora. Early state After Barrois 487 



33. VaUcerm uva T. II 550 



