— 120 — 



Auliscus Ehb. 



22. A. cælatus Bail. var. latecostata A. S. Lead. Fortm. Geyl. t. VII, 

 fig. 66. 



KKt, KGn, KMn— CLt (4 samples). 



Area: Gampeachy Bay, Bass Strait, Yokohama, Holothurians Java. 



23. A. reticulatus Grev. A. S. Atl. tab. XXX, fig. 4. 

 Solitary in a sample from KKt. 



Area: Peru, Holothurians California, Zanzibar, Amboina, Bass Strait. 

 Heliopelta sp. A fragment only which could not be determined, 

 met with in one sample from KKm. 



Chaetocereae. 



Bacteriastrum Shad. 



24. R. varians L. V. H. Syn. tab. LXXX, figs. 3-5. 



KKm, KM— CLt, KS, TK (5 samples). 

 Occurs generally only as fragments. 



Area: Mediterranean, Red Sea, Guli of Aden. Indian Sea, Malay Archi- 

 pelago, South China Sea (C. H. Ostenfeld: Marine Plankton Diatoms in „Flora 

 of Koh Chang " Part VII, p. 232, reprinted from Bot. Tidsskr. Vol. 25, Aug. 1902). 



Chaetoceras Ehb. 



25. C. diversum Gl. Leud. Fortm. la Mai. tab. VI, fig. 1 (Ch. rude L. F.). 

 Solitary in a sample from KKm. 



Area: Atlantic Ocean, Mediterranean, Indian Ocean, Malay Archipelago 

 (Ostenfeld 1. c. p. 235 (17)). 



26. C. læve Leud. Fortm. L. F. la Mai. tab. VI, fig. 2. 

 Solitary in a sample from KKt. 



Area: Sea of Java (Ostenfeld 1. c. p. 237 (19)). 



27. C. Lorenzianum Grun. Grim. Wien. Aka. 1863, tab. XIV, a : fig. 13. 



Occurs as fragments in two samples from KKt. 



Area: Atlantic from North Sea southwards, Mediterranean, Red Sea, Gulf 

 of Aden, Malay Archipelago, Hongkong (Ostenfeld I.e. p. 237 (19)). 



Biddulphieae. 



Triceratium Ehb. 



28. T. bicorne Gl. A. S. Atl. tab. LXX VIII, figs. 24-25. 

 KKm, KKt (4 samples). 



Area: St. Bartholomew, California, Madagascar, Java. 



