- Project Runeberg -  Iter Palæstinum eller Resa til Heliga landet /
369

(1757) [MARC] Author: Fredrik Hasselqvist - Tema: The Holy Land
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PISCES. 369

86. SILURUS (Clarias) Scheilan niloticus, pinua
dorsali secunda adiposa.

Capur depressum, porrectum. Corpus
compressum. Dorsum inter pinnam dorsi & caput
cultratum, tectum scuto ossiculari robusto usque
ad caput continuato.

Oculi ad basin capitis, prope marginem ejus
superiorem. Fossula longitudinalis ad verticem
capitis inter oculos.

Nares duæ utrinque, prope rostrum, ad latera
spatii depressi, una ante alteram, oblique sitæ.
Lobulus parvus ex anteriore procedit.

Rostrum obtusiusculum. Maxilla superior inferiore
duplo longior. Rictus angustissimus, subtus
ante gulam maxilla superiore tectus.

Dentes breves, scabri; in maxilla superiore
ossicula 7, longiuscula, sursum arcuata, compressa,
in fasciculum disposita, apice uncinata, basi
maxillæ inferioris affiguntur, proxime ante linguam
& longitudinaliter supra maxillam usque ad
apicem extenduntur.

Cirrhi 6; horum 2 longissimi, unus utrinque ad
marginem inferiorem maxillæ superioris; prope
apicem 2 alii hisce dimidio breviores; unus
utrinque ad latera maxillæ inferioris; duo ultimi,
inter hos positi, brevissimi, antecedentibus duplo
breviores, sibi approximati.

Operc. Branch. lamella una constant, quæ oblonga,
inferius in angulum obtusum terminata.
Apertura branch. minima.

Membrana Brancbiost. subtus gulæ coalita, Radios
habet 6, fere rectos, introrsum parum arcuatos,
suc-

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