PLATE II. 



Lithothamnion fruticulosum (Kütz.) Fosl. f. pteridoides Fosl. Fig. i — 4. 



| 1 — 2. Specimens with emptied conceptacles of sporangia, the first one with a smal] and young 



crust of another species partly covered with the plant. Stat. 240. 

 Fjtr. 3. A specimen partly covered with crusts of one or two other calcareous algae. Stat. 123. 



Fig. 4. A fertile specimen partly covering another calcareous alga. Stat. 64. 



Lithothamnion fruticulosum (Kütz.) Fosl. f. clavulata Fosl. Fig. 5 — 9. 



5. A specimen apparently forming transition to f. pteridoides. Stat. 240. 



Fig. 6 — 7. Typical or almost typical specimens, especially one of them much burdened however with 

 small crusts of other algae, corals and animals. Stat. 109. 

 S. A similar, but younger specimen. Stat. 250. 



9. A more delicate and somewhat stunted specimen of the form. Stat. 109. 



Lithothamnion australe Fosl. f. tualensis. Fig. 10 — 17. 

 10 — 17. Young and old specimens of the form. Stat. 258. 



Lithothamnion australe Fosl. f. iilüana. Fig. 18 — 24. 



fig. 18 — 19. Specimens from stat. 86. 



. 20 — 22. Specimens from stat. 99. 



Fig. 23. A specimen from stat. 106. 



Fig. 24. A specimen from stat. 109. 



Lithothamnion australe Fosl. f. brachiata. Fig. 25 — 3S. 



1 i . 25 — 30. Specimens from stat. 303. 



. 31 — -32. Specimens from stat. 99. 



F'g- 33 — 34- Specimens from stat. 109. 



35 — 38. Specimens from stat. 282. 



Lithothamnion australe Fosl. f. minutula. Fig. 39 — 62. 



39 — 5°- Specimens from stat. 109. 

 ' imens from stat. 258. 



