5290 
Koh Kahdat in about 2 fathoms water. 
Area: Common almost everywhere except in the arctic and antarctic 
regions. 
Dermatolithon Fosl. 
8. D. pustulataum (Lamour.) Fosl.*) 
List of Lith. p. 11; Melobesia pustulata Lamour. Polyp. flex. p.315, Rosan. 
Mélob. p. 72. 
Koh Kahdat, in 1—2 fathoms water. 
Area: Rather common almost everywhere except in the arctic and an- 
tarctic regions. 
Amphiroa Lamour’). 
9. A. fragilissima (L.) Lamour. 
Polyp. flex. p. 298; Corallina fragilissima L. 
p. 1805; Ell. et Sol. Zooph. p. 123. 
Koh Lom and Koh Chick, on coral-reefs in shallow water. 
Area: Common in all warmer seas. 
Syst. nat. ed. 12, vol. 1, 
Corallina (Tournf.) Lamour’). 
10. @. (Sania) tenella Kiitz. 
Tab, Phye. vol. 8, p. 41, t. 85, IL. 
It is a question whether this species is not but a very thin form of 
the much varying C. (Jania) rubens which is common everywhere. 
Koh Lom and Koh Chick, on coral-reefs in shallow water. 
Area: The Mediterranean, Mexico, Samoa and Fidji Islds. 
1) Auctore Th. Reinbold. 
