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File:Radiolaria (Challenger) Plate 006.jpg

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Description
English: Illustration from Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Part III. Original description follows:


Plate 6. Collosphærida.
Diam.
Fig. 1. Siphonosphæra socialis, n. sp., × 500
A small piece of the surface of a living cœnobium, seen from the surface. Only four individuals are visible, the central capsule of which contains numerous small nuclei and a central oil-globule. The including spherical lattice-shell is provided with a few (one to four) larger apertures, which are prolonged into short cylindrical tubules. Through these latter radiate bundles of fine pseudopodia, branching and anastomosing, and forming a fine sarcode network between the alveoles of the calymma. On the surface of the alveolated jelly-sphere the pseudopodia form a dense radiating zone. Xanthella or yellow cells are everywhere scattered.
Fig. 2. Siphonosphæra socialis, n. sp., × 300
A small cœnobium or colony in the state of alveolation, forming a jelly-sphere, composed of a great number of capsulated individuals, densely aggregated. Each central capsule contains an oil-globule, and is enclosed by a spherical lattice-shell, which bears a few (one to four) short cylindrical tubules. Each shell is again enveloped by a membranous polyhedral alveole and separated from it by structureless jelly. The thick cortical jelly-envelope, which surrounds the whole spherical colony, exhibits a fine radial striation, produced by radiating pseudopodia; many xanthellæ or yellow cells are scattered in the calymma.
Fig. 3. Siphonosphæra pipetta, n. sp., × 300
Fig. 4. Siphonosphæra tubulosa, J. Müller, × 300
The central capsule, enclosed in the cavity of the shell, has a central oil-globule, and is surrounded by a few xanthella.
Fig. 5. Siphonosphæra chonophora, n. sp., × 300
Fig. 6. Siphonosphæra serpula, n. sp., × 300
Fig. 7. Siphonosphæra patinaria, n sp., × 300
The central capsule, enclosed in the cavity of the shell, contains a central oil-globule, and is surrounded by a few xanthella.
Fig. 8. Siphonosphæra patinaria, n. sp., × 300
Fig. 9. Siphonosphæra conifera, n. sp., × 300
Fig. 10. Siphonosphæra cyathina, n. sp., × 300
Date
Source https://archive.org/details/reportonradiolar00haecrich
Author Ernst Haeckel (1834-1919); engravings by Adolf Giltsch (1852-1911).

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The author died in 1919, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.

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current12:07, 26 December 2013Thumbnail for version as of 12:07, 26 December 20132,560 × 3,200 (464 KB)Keith Edkins=={{int:filedesc}}== {{Information |Description={{En|Illustration from Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Part III. Original description follows: <table> <tr> <td style{{=}}"text-align:center; vertica...

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