235 



P. capitatus. I do not think this spécimen is the real 



P. capitatus bccause: le. the stem is continued far 



into the capillitium 2e. the filaments are in gênerai 



thicker then those of P. capitatus — Rifwater. Cur. 



P. capitatus. Lamarck. in several not very typical samples 



among which some young ones. 



Simsons bay. Lagoon. St. Martin. 



St. Eustatius. harbour. 



St. Martin. Oyster-pond. 



P. pyriformis. Gepp. St. Eustatius. Dick Bay. 



P. Lamourouxii. Decaisne. This sample lost the greater 



part of the capillitium. Therefore I can only make the 



supposition that we hâve hère a P. Lam. f. gracilis. 



St. Eustatius. 



Codiam tomentosum. (Huds) Stackh. Locality? 



Udothea conglatinata. Soland. St. Martin Simsoms Bay. 



St. Eustatius T. D. Dick Bay-Harbour. 



Halimeda Opuntia Lamx. 



f. typica Barton. Schottegat. — Curaçao Rif. (Reef) 



Spaansche haven, (Spanish harbour). — Canal. — 



f. cordata. Barton. Rifwater. Cur. 



H. Tuna f. typica, Barton. Simsons Bay lagoon. 



St. Martin little mullet pond. 



H. incrassata. 



f. typica-Ba^rton. Simsons Bay. St. Martin. 



f. Lamourouxii. Bart. Schottegat. Cur. 



Valoniaccae. 



Dyctyosphaeria favulosa. Ag. Thallus irregular — Rif (Reef) 

 Curaçao. 



Gladophoropsis membî'anaceusBorgesen. Reefponds Curaçao. 



Valonia verticillata Kûtz. ? I must add a note of interro- 

 gation as the branching is not typical. A more regular 

 comb is formed, which reminds us of forms as Anadyo- 

 mena — St. Eustatius. 



