File:EB1911 Larval Forms - Echinoderm Larvae.jpg

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EB1911_Larval_Forms_-_Echinoderm_Larvae.jpg(463 × 374 pixels, file size: 51 KB, MIME type: image/jpeg)

Description
English: Diagrams of side views of two young Echinoderm Larvae, showing the course of the ciliary bands. A, auricularia larva of a Holothurian; B, bipinnaria larva of an Asteroid; a, anus; l.c, in A primitive longitudinal ciliary band, in B postoral longitudinal ciliary band; m, mouth; pr.c, preoral ciliary band; st, stomach.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 16, 1911, “Larval Forms,” p. 226, fig. 5.
Author From Balfour’s Comparative Embryology
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.

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current16:42, 5 December 2016Thumbnail for version as of 16:42, 5 December 2016463 × 374 (51 KB)Bob Burkhardt{{Information |Description ={{en|1=Diagrams of side views of two young Echinoderm Larvae, showing the course of the ciliary bands. A, auricularia larva of a Holothurian; B, bipinnaria larva of an Asteroid; ''a'', anus; ''l.c'', in A primitive longit...