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31. (mediterranea Grun. var.?) gelida Cl. — Surface of the
valve covered near the margin witli puncta arranged in curved
lines Crossing each other, about 25 in 0,oi mm. Diam 0,o2
0,03 mm. Pl. 38, tig. 83 a. b. — Mushroom Point.
71/. ornata Grun. (Van Heurck Syn. XCI, fig. 19—21) F. J. L.
31. Borreri Grev. (Van Heurck Syn. Pl. LXXXV, fig. 5—7)
Greenl., Bessel s Bay.
II. Surface-diatoms from the Behring Sea.
•i
Dr. Kjellman lias collected in the Behring Sea diatoms
living on the surface. The gathering contained:
Thalassiothrix longissima Cl. & Grun. in great abundance.
Coscinodiscus borealis Bail. (A. Schm. Atl. LXIII, fig. 11).
Endictya oceanica Ehb.
Chcetoceros atlanticus Cl.
llhizosolenia styliformis Btw.
lik. hebeta Bail.
III. Fresh-water diatoms from Japan.
In Japan Dr. Kjellman made some gatherings of fresh-water
diatoms, interesting because most of the species were perfectly
identical witli European ones. I have observed the following
species, of which the greater part lias been determined with
the aid of Van Heurck\s synopsis:
Amphora affinis Kiitz.
Cymbella cuspidata Kiitz. Length 0,092. Breadth 0,024 mm.
Strige 10 in the middle, 12 near the ends.
C. affinis Kiitz.
C. gastroides Kiitz.
C. cymbiformis Ehb.
C. Cistula Hempr.
C. tumida Bréb.
Eucyonema ccespitosum Kiitz.
Epithemia gibba (Ehb.).
E. gihbertda Kiitz.
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