File:BritishTunicataPlate57.jpg

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English: Alder, Joshua, Embleton, Dennis, Hancock, Albany, Hopkinson, John,Norman, Alfred Merle ,1905-12 The British Tunicata; an unfinished monograph, by the late Joshua Alder and the late Albany Hancock. Edited by John Hopkinson, with a history of the work by the Rev. A. M. Norman.London,Printed for the Ray society. Volume 3 Plate 57

PLATE LVII.

Leptoclinum maculosum M. Edw. (p. 44) accepted name Didemnum maculosum (Milne-Edwards, 1841)

FIG.

1. A colony from Garth Ferry: natural size.

2. The same : x about 3.

3. Calcareous granules, composed of crystals, from the same : considerably magnified.

4. Distinct crystals from the same: highly magnified.

5. A colony on a root of Laminaria: natural size (M. Edwards, pl. viii, f. 2).

6. Crystals from the same: variously magnified.

7.A variety from Parella Bay, Guernsey : x 3. 8. Calcareous crystals from the same :highly magnified.

The calcareous crystals immersed in the common tissue appear when slightly magnified to be spherical concretions, but when highly magnified are seen to

be pyramidal star-shaped crystals with smaller ones superposed.
Date circa 1850
date QS:P,+1850-00-00T00:00:00Z/9,P1480,Q5727902
Source https://www.biodiversitylibrary.org/
Author Alder

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current20:31, 2 September 2010Thumbnail for version as of 20:31, 2 September 20101,938 × 3,190 (375 KB)Notafly (talk | contribs){{Information |Description={{en|1=As file}} |Source=http://www.biodiversitylibrary.org/ |Author=Alder |Date=c 1850 |Permission= |other_versions= }} Category:Joshua Alder and Albany Hancock British Tunicata Volume 3

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