The Botany of Iceland - 01.12.1916, Page 37

ERNST 0STRUP, MARINE DIATOMS FIÍOM THE COASTS OF ICELAND 381
Distribution in the
Universal distribution different parts of the
coasts of Iceland
Eur. Afr. As. Am. Aust. Grl. A.S. S. s.w. N.W. N. E.
Achnanthes
1 — brevipes X X X X X X X X X X X X
2 — — linearis X X
3 — — intermedia.... X X X X X X X X X X X X
4 — — parvula X X X X X X X X
5 — — var X X
6 — groenlandica X X X X
7 — Hauckiana X X X X
8 — longipes X X X X X X
Actinocyclus
9 — Barkleyi X X X
10 — crassus X X X X X X X
11 — Ralfsi X X X X X X X X
12 — subtilis X X X X X X
Actinoptychus
13 — undulatus X X X X X X X
Amphipleura
14 — rutilans X X X X X X X
Amphora
15 — angusta X X X X X X X X
16 — crassa X X X X X X X X
17 — cymbelloides X X X X X
18 — exigua X X X X
19 — lævis X X X X
20 — lineolata X X X X X X X
21 — marina X X X X X X X X X X
22 — Proteus X X X X X X X X X X X X
23 — — contigua X X X X X X
24 — Pusio X X X X
25 — robusta X X X X X
26 — Terroris X X X X X X X X X X X
Biddulphla
27 — antediluviana X X X X
28 — aurita X X X X X X X X X X X
29 ~ obtusa X X X X X X
Calonels
30 — brevis X X X X X X X X X
26 16 21 23 16 18 13 15 21 15 11 7