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11.
Fortegnelse over samtlige under
Expeditionen observerede Arter, med
Bemærkninger over Forekomst og
Udbredning.
Ordo 1.
IPodoplith.a.lmata-
Subordo 1.
Brachyura.
Trib. 1. Cyclometopa.
Fam. 1. Portunidæ.
I. Thranites velox, Tiovallius.
Øfversiprt Vet. Akad. Förh. 1876 No. 9.
Et desværre i høi Grad mutileret Exemplar af denne
forst af Bovallius beskrevne Form toges under
Expeditio-nens 1ste Togt ved det ydre Afhæld af Storeggen (Ståt.
24) paa 90 F. D.
Bovallius har for denne Form opstillet en ny Slægt,
som dog kun synes mig lidet at skille sig fra SI. Portunus.
Af de bekjendte Arter af denne sidste Slægt synes den at
komme nærmest P. longipes Roux, der ligeledes har den
bagerste Sidetand paa Bygskjoldet usædvanlig stærkt
forlænget.
Det erholdte Exemplar var ligesom det af Bovallius
beskrevne en Han og stemmede i alt væsentligt overens
Den norske Nordhavsexpeditiou. G. O. Sars: Crustacea.
List of Species observed on the
Expedition, with remarks on occurrence
and distribution.
Ordo 1.
IPod.oph.tlia.lma.ta..
Subordo 1.
Brachyura.
Trib. 1. Cyclometopa.
Fam. 1. Portunidæ.
I. Thranites velox. Bovallius.
Øfversigt Vet. Akad. Förh. 1770, No. 9.
A specimen of this form, first described by Bovallius,
was taken — we are sorry to say in a highly mutilated
condition — on the 1st cruise, off the outer slope of the
Storeggen Bank (Ståt. 24). at a depth of 90 fathoms.
For this form, Bovallius has instituted a new genus,
which, however, in my judgment, would appear to differ
but slightly from the genus Pmiimus. Of the known species
belonging to the latter genus, the animal in question
apparently approximates closest P. longipes Roux, which has
likewise the most posterior of the lateral teeth on the
carapax unusually produced.
The specimen obtained, like that described by Bovallius,
was a male, agreeing in all essential characteristics with
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