210 MESSRS. W. WEST AND G. S. WEST ON 
Family TABELLARIEA. 
Genus TABELLARIA, Enrenb. 
985. TABELLARIA FENESTRATA, Kuetz. Bacill. p. 127, t. 17. fig. 22. 
Hab. In running water, Royal Botanical Gardens, Peradeniya. 
Family SURIRELLIE. 
Genus SURIRELLA, Turp. 
386. SURIRELLA ROBUSTA, Ehrenb., var. SPLENDIDA, Van Heurck, Syn. p. 187, t. 72. fig. 4. 
Hab. Muddy bottom of pool at foot of Hakgala Rock (6000 ft.) In artificial tank, 
Peradeniya. 
387. SURIRELLA OVALIS, Bréb., var. ANGUsTA, Van Heurck, l. c. p. 189, t. 73. fig. 12. 
Hab. Muddy bottom of pool at foot of Hakgala Rock (6000 ft.). 
Family NITZSCHIEJE. 
Genus NiTZzsOHIA, Hass.; emend. Grun. 
388. NrTZSCHIA CURVULA, W. Sm. Brit. Diat. ii. p. 89. 
Hab. Paddyfield between Kosgoda and Urahaighasmahendai. 
389. NITZSCHIA LINEARIS, W. Sm. /. c. i. p. 39, t. 13. fig. 10. 
Hab. With the preceding species. 
390. NrrZsCHIA PALEA, W. Sm. l. c. ii. p. 89. 
Hab. Muddy bottom of pool at foot of Hakgala Rock (altit. 6000 ft.). 
391. NrTZSCHIA OBTUSA, W. Sm. l. c. i. p. 39, t. 13. fig. 109. 
Hab. Shallow pool, mangrove-swamp, Pandure. 
392. NITZSCHIA LONGISSIMA, Ralfs, var. Cuosrertum. Or Van Heurck, Syn. Atlas, 
t. 70. fig. 8. 
Hab. With the preceding species. 
Order CRYPTO-RHAPHIDIEZ. 
Family MELOSIHRHEL.E. 
Genus MELOSIRA, Agh. 
393. MzrosrRA RosEANA, Rabenh. Süssw. Diat. p. 13, t. 10. Suppl. fig. 5. 
Hab. Among Trentepohlia sp. on bark of trees, Peradeniya. On wet rocks, Kada- 
ganuwa. 
394. MELOSIRA GRANULATA, Ralfs, in Pritch. Infus. ed. iv. p. 820. 
Hab. Shallow pool, mangrove-swamp, Pandure. In pond and in running water, Royal 
Botanical Gardens, Peradeniya. Also in artificial tank, Peradeniya. 
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