176 Walther May, 
Telestidae. 
Goelogorgia p almosa [Var.]. Sansibar, Tumbatu, leg. Sturt- 
MANN. 
Tubiporidae. 
Tubipora rubeola Q. G. var. sansibarica n. v. Sansibar, leg. 
STUHLMANN. 
Tubipora chamissonis Eureg. Sansibar, leg. STUHLMANN. 
Xeniidae. 
Xenia rigida.n. sp. Mozambique, leg. PHILippı. 
Xenia blumi ScCHENK. Suez, leg. MICHAELSEN. 
Xenia umbellata Sav. Mozambique, Tumbatu, Insel Baui, 
leg. PHILIPPI, STUHLMANN. 
Xenia tumbatuanan. sp. Tumbatu, leg. STUHLMANN. 
Xenia elisabethae |[Körr.]. Sansibar, leg. STUHLMANN. 
Xenia fuscescens EnrB«. Sansibar, leg. STUHLMANN. 
Xenia membranacea SCHENK. Sansibar. 
Xenia quinqueserta n. sp. Tumbatu, leg. STUHLMANN. 
Xenia bauianan. sp. Insel Baui, leg. STUHLMANN. 
Xenia medusoides n. sp. Tumbatu, leg. STUHLMANN. 
Cespitularia taeniata n. sp. Mozambique, leg. PHILıPPp1. 
Cespitularia coerulea n. sp. Kokotoni, leg. STUHLMANN. 
Alcyoniidae. 
Sinularia brassica n. sp. Tumbatu, leg. STUHLMANN. 
Alcyonium sphaerophorum [Enuree.].. Madagaskar, leg. 
Bosse. 
Aleyonium elegantissimum n. sp. Suez, leg. MICHAELSEN. 
Alcyonium polydactylum [Enrge.]|. Sansibar, Insel Baui. 
Sarcophytum glaucum [Q. G.]. Kokotoni, Tumbatu, Insel 
Changu, leg. STUHLMANN. 
Sarcophytum trocheliophorum MARENZ. var. amboinense 
MARENZ, Kokotoni, Sansibar, leg. STUHLMANN. 
Lobophytum crassum MARENZ. var. sznsibaricum n. v. San- 
sibar, Tumbatu, leg. STUHLMANN. 
Nephthyidae. 
Ammothea thyrsoides Enrsg. Tumbatu, leg. STUHLMANN. 
Ammothea thyrsoides var. ramosa n. v. Tumbatu, leg. 
STUHLMANN. 
