Natural history
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Description:
Identifier: naturalhistory04bri (find matches)
Title: Natural history
Year: 1907 (1900s)
Authors: British National Antarctic Expedition (1901-1904) Fletcher, L. (Lazarus), 1854-1921 Bell, F. J. (Francis Jeffrey), 1855-1924 British Museum (Natural History)
Subjects: Geology Zoology Botany
Publisher: London : Printed by order of the Trustees of the British Museum
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries
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Text Appearing Before Image:
seite ist iiur das riickwilrtige, von den beiden ILideu nurder liiike getroffen. Vergr. 32-fach. Fig. 8.—Weibehen (aus Cyste /;). Hinter dem vorigen, in der Gcgeud der Nephridialcaniile gefiihrterQuersehuitt. Nur der reehte Nephridialeanal ist in deinselben getroffen. Vergr. 32-fach. Fig. S) und 10.—Miinncben (aus Cyste h). Aus Flilchenschnitten combiuirte und etwas schematisirteTeilbilder. In Fig. .) sind die melir dorsal gelegenen Organe, wie der Erniihrungsapparat, dermanulicbe Geschlechtsajiparal; und der Dorsalabschnitt des weibliehen Gescblechtsapparates, fernerdie Neplirostomata dargestellt. Fig. 10 zeigt den Ventralabschnitt des weibliehen Geschlecbts-apparates mit den Ovarien, ferner die Endblasen mit dem unpaaren Endabschnitte der Xephridien.Zwischen den Nephrostoniatis (;;.s in Fig. 0), und den in Fig. 10 mit * bezeichnctcn Dureh-schnittsstellen durch die Nephridien verlaufeii in dorsoventraler Richtung die kurzen Nepiiridial-eauiile. Vergr. fiir beide Fig. 79-fach. •
Text Appearing After Image:
6 0 do ..ns Aut del WsstjNewman chromo. MYZOSTOMA 8IPUNCUL0IDEA. By W. F. Lanchester, M.A.,Kings College, Cambridge. Pha.scolosoma Socium. This collection consists of some thirty specimens, all of small size, which weremostly taken by means of a net from holes in the ice, while the Discovery wasin \inter Quarters. One specimen, however, was captured with the dredge, thedepth being given as 100 fethoms. That the Indk of them belong to a singlespecies of Phascolosoma is quite certain, both from their general appearance andfrom a study of the relations of the various organs, though it is to be noted thatthese relations have l>een found to be far from invariable. Some half-a-dozen,however, have Itecn the cause of eonsideral)le dithculty in the exact determination oftheir specific identity ; yet it has seemed best to include them under the aljovespecies. In the first place, they agree in the main details of their structure withthe typical forms; and I have not l)een able to place them
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Included On The Following Pages:
- NO NAME!
- Life
- Cellular
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Metazoa (animals)
- Bilateria
- Protostomia (protostomes)
- Spiralia (spiralians)
- Annelida (segmented worms)
- Myzostomida (myzostomarians)
- Myzostomatidae
- Myzostoma
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Source Information
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- British National Antarctic Expedition (1901-1904); Fletcher, L. (Lazarus), 1854-1921; Bell, F. J. (Francis Jeffrey), 1855-1924; British Museum (Natural History)
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