Botany and Zoology. 459 
silicions fibres themselves belong to a sponge allied to the curious — 
Linnean 
Luplectella figured by Prof. Owen in the Transactions of the 
Society, vol. xxii, pl. xxi. An examination of these figures and the 
bundles is in all probability not the true one, as is supposed by some ; 
and the Zoanthus, we cannot even consider as a parasite. For, in the 
are the result of the ingenuity of the Japanese curiosity-mongers from 
In the first place the unnatural grouping of the bundles, 
turns out (quite unconsciously to the learned lecturer) to be another 
uralists, ee 
The genus Hyalonema and the species H. Sieboldi will be found de- 
scribed in Dana’s Zoophytes, pp. 641,642. The glassy fibres of H. 
tected in them by the spectroscope. They polarize light only very im- 
Lucernarie ; by Prof. Henry James Cuark, of Harvard University, 
Cenibridge, Na (Journal of the Boston Society of Natural History, 
March, 1863, pp. 531-567).—In the earlier pages of this number of the 
Journal, (p. 346, article xxx1v,) it may be seen that the Lucernarians are 
