268 116 
Koh Chang in the text abbreviated to K Cg 1 sample. 
Between Koh Chang 
and Koh Lom ,  , ‘i » KCg—KLm 1 . 
Koh Chuen fe A * » KCn 1 ‘i 
Koh Chick a ae 3 » KCk 1 * 
Koh Sakait a ae ; » KS 1 $i 
Koh Chang Noi, .  , ‘i » KCoN 1 * 
Tung Kaben , , y * » IK 1 
Without habitat 
(sine loco) , 4» » . » sl 6 : 
Total 74 samples. 
Bacillariaceae. 
A. Centricae. 
Coscinodisceae. 
Melosira Ag. 
Podosira Ehb. 
1. M. Montagnei Ktz. V.H. Syn. tab. LXXXIV, figs. 11—12. 
KCg, KKm, KKt, KMn—CLt, s. 1. (12 samples). 
Area: Atlantic coasts of Europe, Mediterranean, West India, Samarang. 
Paralia Heib. 
2. PD. suleata (Ehb.) Cl. var. coronata (Bhr.) Grun. V. H. Syn. 
t. XCI, fig. 17. 
KKm, KKt, KMn—CLt, LN (10 samples). 
Area: the main species ubiquitous. The var. coronata: Java, Tahiti. 
Hyalodiscus hb. 
3. WL stelliger Bail. V.H. Syn. tab. LXXXIV, fig. 1. 
K Km, KKt, KMn—CLt (3 samples). 
Area: The coasts of Europe, Delaware, Sierra Leone, China, Bengal, Java, 
Tahiti. 
Cyclotella Ktz. 
4. €. striata W. Sm. var. Stylorum Bright. forma minuta V. H. 
Syn. tab. XCIIl, fig. 5. 
