FRESE-WATER ALG^ FROM BURMA.
208. SYNEDRA PULCHKLLA Kiitz. Bacili., p. 68, t. 29, f. 37; W. SM. Brit. Diat.
I, p. 70, t. 11, f. 84,
Äii.—Singaing, Kyaakse . district (No. 22193).
209. SYNEDRA ACDS (Kiitz.) Grun. in Abh. k. k. zool.-bot. Gesellscli. Wien ill,
1862, p. 398.
iTai.—Neat the river at Bbamo (No. 21503). In the river Irrawaddy at
Thayetmyo (No. 22999).
Family: EUNOTIACEí!.
Genus : Eunotia Ebrenb.
210. EUNOTIA BICEPS Ebrenb.
Synedra hiceps W. Sm.
Eunotia flextma Kiitz. var. hicapitaia Grun.
Hab.—Momauk, east of Bbamo (No. 21551). Mansaug, near Hsipaw (No. 24193).
211. EUNOTIA LUNARIS (Ebrenb.) Gruu. in Van Heurck, Synops. Diat. p. 144,
t. 35, f. 3-4, 6.
iSynedra luiiaris Ehrenb. ; W. Sin. Brit. Diat. i, p. 69, t. 11, f. 82.
J/a5.—Momauk, east of Bbamo (No. 21551). In the Kaa-gyi at Mudon
(No. 24505).
212. EUNOTIA PECTINALIS (Dillw.) Rabenb. Fior. Europ. Alg. i, 1864, p. 73.
Himantidium pedinale Kütz. Bacili., t. 16, f. 2.
Kyauktaga, Pegu district (No. 22124).
213. EUNOTU PRJLRUPTA Ehrenb.
Var. BIDENS (Ehrenb.) Grun. Eunoiia bidens W. Sm.
Eab.—Mansang, near Hsipaw (No. 24193).
214. EUNOTIA ROBUSTA Ralfs in Pritch. Infus. 1861, p. 763.
Fine specimens with 8 undulations along the dorsal margin. Long. 94/^,
Hah.—In the Kan-gyi at Mudon (No. 24505).
215. EUNOTIA EHRENBERGII Ralfs forma.
Frustules rery small, in the valve-vièw somewhat arcuate, apices capitate-truncate,
dorsal margin rather elevated and 6-8 undulate.
Long. 18-21/I; lat. 4'8-5/^.
Eab.—In springs on the river bank, Bbamo ,(lSo. 21501); abundaot.
We are indebted to Mr. B, Lsmmermann of Bremen for this determination.
Family: ACHNANTEAOEiE.
Geiuis: Achmnthes Bory.
216. ACHNANTHES sp.
Valves linear-lanceolate, with obtuse extremities, lateral margins finely undulate
with about 21-22 undulations from pole to pole. Strise coarse, about 9 in lO^u.
Long. 66/'; lat. 16^.
Bab. In the mountains east of Kawkareik (No. 24450).
The only species of this genus with undulate or crenulate margins are A. crenukta Grnn,, 1880
{vide Oleve, Synops. Navic. Diat. ii, p. 195; Le Diatoraiste, i, p. 50, t. 9, f. 3, 4) and A. Irtripes
Ag. var subcreiiulata Cleve, 1891 {Cleve, 1. o. ii, p, 193; Le Diatomiste, i, p. 50, t. 9, f. 5, 6),
and the Burmese Diatom does not agree with either of them. We hope to enquire into this form
further at a future date.
217. A. HUNGAEICA Grun. (1863).
Achmnthidium hun</anaum Grun. Verb. 1863, p.
Z?ai.—Between Thingan-nyi-naung and Kawkareik, :
stream (No. 24483).
Family : OOGOOWEIDACE^.
Genus: Oocooneis Ehrenb.
146, PI. 4, f. 8.
n the side-channel of
218. CoccoNEis PLACENTOLA Ehrenb. Infus. 1838, p. 194,
Sah In stream, Lashio (No. 22557), Hsipaw (No. 24120).
of Kawkareik (No. 24450). Myawadi (No. 24451).
In the mountains east
Family: NAVIOULACEJ¡.
Genus: Mauicu/a Bory.
219. NAVÍCULA NOBILIS (Ehreub.) Kütz.
Sab Mansang, near Hsipaw (No. 24193). In the] Kan-gyi at Mudon (No.
24505).
220. NAVÍCULA MAJOR Kiitz. Bueill., p. 97, t. 4, f. 19.
Pinnularia major Rabenh.; Flor. Europ. Alg. i, p. 210.
¿TaJ—In. the Kan-gyi at Mudon (No. 24505).
221. NAVÍCULA VIRIDIS Kütz. Bacill., p. 97, t. 4, f. 18.
Pinnularia viridis Rabenh.; Flor. Kurop. Alg. i, p. 212.
Sab In swamp, Katha (No. 22677). Between Thingan-nyi-naung and Kaw
kareik, in the side-cbannel of a stream (No. 24483).