- Project Runeberg -  Naturhistorisk Tidsskrift / Tredje Række femte Bind /
493

(1837-1884)
Table of Contents / Innehåll | << Previous | Next >>
  Project Runeberg | Catalog | Recent Changes | Donate | Comments? |   

Full resolution (JPEG) - On this page / på denna sida - Sidor ...

scanned image

<< prev. page << föreg. sida <<     >> nästa sida >> next page >>


Below is the raw OCR text from the above scanned image. Do you see an error? Proofread the page now!
Här nedan syns maskintolkade texten från faksimilbilden ovan. Ser du något fel? Korrekturläs sidan nu!

This page has never been proofread. / Denna sida har aldrig korrekturlästs.

403_

seriei medianae — singulo excepto genere — apertura
anali perf’oratum vel ipsi contiguum. Series tuberculorura
medianae figur i s cuneiformibus eradiantibus
cir-cumdantur, e tuberculis singulari modo dispositis formatis
et limbo (dorsali) lato, marginem versus attenuato impositis.
— Pagina inferior externa fere dimidia parte laevis,
in-terna parte lamellis branchialibus transversalibus obtecta;
antiee supra caput lamellae desunt et depressio ca j»i
-tal i s adest.

Latera lmmilia ita ut dorsum et podarium fere
con-tigua; in dextro latere antice papilla genitalis distincta
apparet.

Podarium reptile, sat validum, bumile, marginem
versus declive. Solea elöngato-oblonga, trunco brevior et
praesertim angustior; margine anteriore emarginata et
medio sat profunde incisa, non sulcata; margine posteriore
(medio subemarginata vel) rotundata.

Brancliiae inter dorsum et podarium annulum formantes,
antice capite, dextro latere papilla genitali interruptae.
Lamellae branchiales confertae, sat tenues,
transversales, elongatae, longitudine et altitudine ut plurimum
alternantes, antice et postice humiles, medium corporis
versus sensim magnitudine increscentes.

Papilla genitalis cumforamine duplici, alteroapicali rotundo
cum foraminulis duobus, altero interno transversali.

Aperturam analem versus medianam, in dorso postice vel inter
dorsum et podariumsitam, tubus rectalis prominet
erec-tus, cylindraceus, margine dextro sulculo longitudinali ad

porum renaleni in radice tubi situm desinente praeditus.

* *

Bulbus pbaryngeus suctorius, validus, irregulariter
pyri-formis, sed formå in universum mira et composita,
man-dibulis et lingva destitutus, sed tubo pliaryngali
angusto, verticali perforatus. Apertura inferior tubi
pha-ryngalis minutissima, superne tubus in oesophagum continuo
abit. — Cavum buccale angustum; in pariete superiore
postice apertura inferior tubi pharyngalis apparet; an-

<< prev. page << föreg. sida <<     >> nästa sida >> next page >>


Project Runeberg, Sun Dec 10 17:55:31 2023 (aronsson) (download) << Previous Next >>
https://runeberg.org/nahitids/r3b5/0503.html

Valid HTML 4.0! All our files are DRM-free