171 



N. radiosa var. tenella Breb. — Van Heurck I. <•., Tat 7, 

 Fig. 21—22. 



Fundort: Java (IX a, XIV d), Siam (XI a). 



N. placenüda Ehrenb. — Van Heurck 1. c, Taf. 8, Fig. 26, 28. 

 Fundort: Siam (XIIc). 



Untergatt. Pinnularia Ehrenb. 



P. appendiculata Ag. — Van Heurck 1. c, Taf. 6, Fig. L8, 

 20, 29—31. 



Fundort: Sumatra (IIIc), Siam (XIIc), Java (XlVd), Sandwich- 

 Inseln (XVIc). 



P. Braunii Grün. — Van Heurck 1. c, Taf. 6, Fig. 21. 

 Fundort: Sumatra (IIIc), Siam (XI a). 



P. interrupta forma stauroneiformis (V. H.) Cieve, Synopsis II, 

 S. 76; Van Heurck 1. c, Taf. 6, Fig. 12—13. ' 

 Fundort: Sumatra (IIIc). 



*P. mesogongyla Ehrenb. — Van Heurck 1. c, Suppl. A, 

 Fig. 12. 



Fundort: Java (XVIIId). 



P. viridis Nitzsch — Van Heurck 1. c, Taf. 5, Fig. 5. 



Fundort: Sumatra IIIc). 



var. commutata Grün. — Rabh., Algen No. 1023. 



Fundort: Sumatra (IIIc). 



*P. nobilis Ehrenb. — Van Heurck 1. c, Taf. 5, Fig. 2. 



Fundort: Java (XI Vd). 



Gatt. Frustulia Ag. 



Fr. vulgaris Thw. — Van Heurck 1. c, Taf. XVII, Fig. 6. 



Fundort: Sumatra (IIIc). 



Fr. rhomboides var. viridula Breb. — Van Heurck 1. c, Taf. 17, 



Fig. 3. 



Fundort: Singapore (Xa). 



Gatt. P 1 e u r o s i g m a W. S m. 



PI. delicatulum W. Sm., Brit. Diät., Taf. XXI, Fig. 202. 

 Fundort: Siam (XIIc). 



PI. acuminatum Kütz. — Van Heurck 1. c, Taf. 21, Fig. 12. 

 Fundort: Siam (XIIc). 



Farn. Gomphonemaceae. 



Gatt. Gomphonema Ag. 

 G. parvulum Kütz, Bacill, Taf. 30, Fig. 63; Van Heurck 

 1. c, Taf. 35, Fig. 7—11. 



Fundort; Singapore (Xa), Java XVIIId). 



