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Show 818 MR. J. Y. JOHNSON ON THE [June 20 like, tapering, and sharpened off to a point at the extremity. Minute upright conico-subdeltoid spiues are irregularly scattered on the ultimate branchlets, the other parts of the corallum being spineless (fig. III. 3, p. 823). Polyps pale red, with six tentacles. The remains of the coenenchyma and polyps are seen on the specimen as a brown pellicle coating the finer branches, and extending as a thin web or film from branch to branch. Fig. I. Leiopathes expansa, sp. n. About | nat. size. From a photograph. The only specimen of this new species that I have met with was obtained from a fisherman twenty years ago. It is without Son '-iv haS a height °f 405 millilu- (16 in*)' with a sPrea<* of 380 millim. (15 in.), but its spread when perfect was probably not less than 445 millim. (17| in.). The thickest part of tbe stem is only 5 millim. in diameter. N o fusion of branches is anywhere visible. The elegant flabel-late form and delicate habit seem to distinguish this sufficiently from known species of Leiopathes. Hab. Madeira. |