File:EB1911 Peripatus - P. capensis - tracheal pit and tubes.jpg

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EB1911_Peripatus_-_P._capensis_-_tracheal_pit_and_tubes.jpg(558 × 492 pixels, file size: 61 KB, MIME type: image/jpeg)

Summary

Description
English: Peripatus capensis: Section through a tracheal pit and diverging bundles of tracheal tubes taken transversely to the long axis of the body. Legend: tr, Tracheae, showing rudimentary spiral fibre; tr.c, Cells resembling those lining the tracheal pits, which occur at intervals along the course of the tracheae; tr.o, Tracheal stigma; tr.p, Tracheal pit.
Date published 1911
Source “Peripatus,” Encyclopædia Britannica (11th ed.), v. 21, 1911, p. 165, fig. 8.
Author After Balfour.
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

File history

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Date/TimeThumbnailDimensionsUserComment
current16:12, 13 May 2019Thumbnail for version as of 16:12, 13 May 2019558 × 492 (61 KB)Bob Burkhardtremove stray marks
17:14, 11 May 2019Thumbnail for version as of 17:14, 11 May 2019558 × 492 (62 KB)Bob Burkhardt{{Information |description ={{en|1=''Peripatus capensis'': Section through a tracheal pit and diverging bundles of tracheal tubes taken transversely to the long axis of the body. Legend: ''tr'', Tracheae, showing rudimentary spiral fibre; ''tr.c'', Cells resembling those lining the tracheal pits, which occur at intervals along the course of the tracheae; ''tr.o'', Tracheal stigma; ''tr.p'', Tracheal pit.}} |date =published 1911 |source =“Peripatus,” ''Encyclopædia Britannica...