PLATE XIII. 



Mastophora macrocarpa Mont. 



pjg. !_ 3 . Young specimens partly covering other algae. Stat. 5S. 



Fig. 4. A similar one attached to Carpopelüs. Stat. 279. 



Pig. -_6. Older specimens. Birakéké, Celebes. 



Fig. 7. A similar one. Stat. 129. 



Fig. 8. An old one, the greater part of which has apparently grown freely. Stat. 115. 



Fig. 9. A specimen attached to different algae. Den Brill near Macassar. 



Fig. 10. An old specimen, the greater part of which has apparently grown freely. Stat. 125. 



Fig. 11. A similar one. Stat. 149. 



Fig. 12. A similar one. Stat. 231. 



