A monograph of the British fossil corals - kreidefossilien.de
A monograph of the British fossil corals - kreidefossilien.de
A monograph of the British fossil corals - kreidefossilien.de
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INTRODUCTION.<br />
Ixxxi<br />
8. Genus Solan<strong>de</strong>ria.<br />
Ducliassaing and Michelin, in Guerin's Revue Zoologique, June, 1846.<br />
Differs from Gorgonia by <strong>the</strong> suberous textiu'c <strong>of</strong> <strong>the</strong> sclerobasal axis, which resembles<br />
<strong>the</strong> non-calcified joints <strong>of</strong> Melitaea.<br />
Typ. sp., Solan<strong>de</strong>ria gracilis, Duchassaing and Miclielin, loc.<br />
cit.<br />
9. Genus Briaeeum.<br />
Blainville, Manuel d'Actinologie, p. 520, 1830.<br />
Axis s<strong>of</strong>t, suberous, or composed <strong>of</strong> spicula. This genus is intermediate between<br />
Alcyonium and Gorgonia.<br />
T}'p. sp., Briareum gorgonoi<strong>de</strong>um, Blainv. ; Gorgonia briarevs, Lin. ; Ellis and Solan<strong>de</strong>r, tab. xiv, figs. 1, 2.<br />
The genus Hyalonema established by M. Gray, ('Proceed, <strong>of</strong> <strong>the</strong> Zool. Soc' 1835,<br />
p. 63,) is also referred by some zoologists to <strong>the</strong> tribe <strong>of</strong> Gorgoninae ; but <strong>the</strong> recent<br />
observations <strong>of</strong> M. Valenciennes tend to establish that <strong>the</strong> fasciculi <strong>of</strong> siliceous threads,<br />
which constitute <strong>the</strong> axis <strong>of</strong> this singular production, belong to <strong>the</strong> class <strong>of</strong> Spongi<strong>de</strong>e, and<br />
<strong>the</strong> polypi which we have observed in a di-ied state on different parts <strong>of</strong> <strong>the</strong> axis appear to<br />
be parasites, belonging to <strong>the</strong> or<strong>de</strong>r <strong>of</strong> Zoantharia.<br />
Second Ti-ibe—ISIN^.<br />
Dana, Exploring Exped., Zooph., p. 677, 1846.<br />
Common axis articulated, or composed <strong>of</strong> segments, <strong>the</strong> structure <strong>of</strong> which differ<br />
alternately.<br />
10. Genus Isis.<br />
Linnaeus, Syst. Nat., 12th ed., p. 1287, 1767.<br />
Axal sclerobasis composed <strong>of</strong> joints, alternately corneous and calcareous ;<br />
branches<br />
proceeding from <strong>the</strong> calcai'eous joints.<br />
Typ. sp., Isis hippuris, Lin., loc.<br />
cit.<br />
11. Genus Mopsea.<br />
Lamouroux, Polyp. Flex., p. 466, 1816.<br />
Axis presenting <strong>the</strong> same structure as in <strong>the</strong> preceding genus, but with <strong>the</strong> branches<br />
proceeding fi'om <strong>the</strong> corneous joints.<br />
Tvp. Bp., Mopsea dichotoma, Lamouroux, loc. cit., p. 467.