File:Britannica 1911 Arthropoda - Apus cancriformis thoracic appendage 2.png
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DescriptionBritannica 1911 Arthropoda - Apus cancriformis thoracic appendage 2.png | The first thoracic (fourth post-oral) appendage of Apus cancriformis (right side). | ||||
Date | published 1911 | ||||
Source | Encyclopædia Britannica (11th ed.), v. 2, 1911, p. 677 | ||||
Author | Edwin Ray Lankester | ||||
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Caption:
After Lankester, Q. J. Mic. Sci. vol. xxi., 1881. | |
Fig. 11. — The first thoracic (fourth post-oral) appendage of Apus cancriformis (right side). | |
Ax1 to Ax4, | the four segments of the axis with muscular bands. |
En1, | Gnathobase. |
En2 to En5, The elongated jointed endites (rami). | |
En6, | The rudimentary sixth endite (exopodite of higher Crustacea). |
Fl, | The flabellum which becomes the epipodite of higher forms. |
Br, | The bract devoid of muscles and respiratory in function. |
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current | 14:22, 13 July 2011 | 785 × 1,039 (27 KB) | Bob Burkhardt (talk | contribs) | {{Information |Description=The first thoracic (fourth post-oral) appendage of ''Apus cancriformis'' (right side). |Source=''Encyclopædia Britannica'' (11th ed.), v. 2, 1911, p. 677 |Date=published 1911 |Author=Edwin Ray Lankester |Permission={{PD-Britann |
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