- Project Runeberg -  Den Norske Nordhavs-expedition 1876-1878 / The Norwegian North-Atlantic Expedition 1876-1878 / 6. Bind /
21

(1880-1901)
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21

74. Diastylis Rathkii, (Krever).

Exemplarer af denne ved vore Kyster megel
almindelige, paa sine Steder i store Masser forekommende Art
toges under Expeditionen i S altenfjord. Kjosen og
Porsangerfjord, fremdeles i Adventbay paa Spitsbergen samt
paa Ståt. 18, 192 og 357, de 2 förste beliggende i Havet
udenfor vor Kyst, den sidste V af Spitsbergen; Dybden
indtil 649 Favne.

Skjøndt Arten gaar sydlig til Pommerens Kyst,
eiden dog utvivlsomt at betragte som en oprindelig arktisk
Fonn, da den er udbredt til Grønland, Nordamerikas
Østkyst, Sibiriens Ishav og det kariske Hav. To af de
Stationer, hvor den linder vor Expedition blev observeret,
tilhører desuden den kolde Area.

75. Diastylis cornuta. Boeck.

Denne ved vore Kyster ligeledes meget almindelige
Art observeredes under Expeditionen ved Husø paa 80—
100 Favnes Dybde. Den er aabenbart en mere sydlig Form
og udbredt til de britiske Øer (D. bicornis Sp. Bate) og
Vestkysten af Frankrige (Fischer). Norman anfører den
ogsaa fra Porcupine-Expeditionen som forekommende paa
stort Dyb i Atlanterhavet. Den af samme Forfatter under
Benævnelsen D strigåm beskrevne Fonn anser jeg for den
fuldt udviklede Han af nærværende Art.

74. Diastylis Rathkii. (Kröyer).

Examples of this species, a very common one off the
coast of Norway, and occurring most abundantly in certain
localities, were taken on the Expedition in the Saltenfjord,
the Kjosen, and the Porsangerfjord; moreover, in Advent Bay,
Spitsbergen, as also at Stations 18, 192, and 357 — the two
former located in the sea off the Norwegian coast, the
latter west of Spitzbergen; depth reaching 649 fathoms.

Though the animal occurs as far south as the coast
of Pommerania, it must unquestionably be regarded, in
origin at least, as an Arctic form, its range of distribution
extending northward to Greenland, the east coast of America,
the Siberian Polar Sea, and the Kara Sea. Besides, two
of the Stations at which it was observed on the Norwegian
Expedition belong to the cold area.

75. Diastylis cornuta. Boeck.

This species, likewise a very common one off the
Norwegian coast, was observed on the Expedition at Husø;
depth 80—100 fathoms. It is obviously a more southern
form, being distributed to the British Islands (D. bicornis
Sp. Bate) and the west coast of France (Fischer). Norman
records the animal, too, from the "Porcupine" Expedition,
as occurring at a great depth in the Atlantic. The form
described by the same naturalist as D. strigata, I regard
as the fully developed male of the present species.

76 Diastylis ecliinata. Sp. Bate.

Foruden ved Husø blev denne Art under
Expeditionen observeret paa 2 i Havet udenfor vor Vestkyst
beliggende Stationer (Ståt. 31 og 124). begge tilhørende den
kolde Area; Dybden indtil 417 Favne. Norman anfører
den ogsaa fra "Lightning" Expeditionen. Arten er forøvrigt
kun kjendt fra de britiske Øer og den norske Kyst.

76. Diastylis echinata, Sp. Bate.

Besides Husø, this species was observed on the
Expedition at 2 Stations off the West Coast of Norway I Stats.
31 and 124), both belonging to the cold area; depth
reaching 417 fathoms. Norman also records the form from the
"Lightning" Expedition. For the rest, the animal is known
only from the British Islands and the coast of Norway.

77. Diastylis spinulosa. Heller.

Af denne smukke under den østerrigsk-ungarske
Nord-polexpedition opdagede Art toges enkelte Exemplarer i

77. Diastylis spinulosa. Heller.

Of this beautiful species, discovered on the
Austrio-Hungarian Expedition, a few individuals were taken in the

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