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Show 102 ZOOLOGICAL COLLECTIONS MADE DURING [Jan. 4, and two of small ones, which are exterior; all are entirely retracted. The sides of the body are almost hid by the disk in its present state : they are about 5 millims. high; the base is 11, and the disk 13 broad. The only unevenness of the body-surface is an occasional indication of the mesenteries. Hab. Same as preceding. It is obviously impossible to identify these specimens satisfactorily by the few characters left to them. Two other Actinians are represented, each by a minute specimen from Coquimbo Bay, Chili. One is almost entirely black in spirit, the other nearly white, apparently with black-tipped tentacles. They answer to none of the species enumerated in Gay's ' Chili' with any certainty; possibly the light-coloured species may be Actinia nivea of Lesson (Voy. de Coquille, Zooph. p. 80, pi. iii. fig. 8). The depth is 4-8 fathoms. AXOHELIA BRUEGGEMANNI, Sp. n. (Plate VI. fig. 7.) Corallum subcylindrical, branching. Ccenenchyma compact; surface covered with minute pointed tubercles at some distance apart, and marked by very slight and irregularly developed longitudinal ridges. Calicles round or slightly oval, the long axis following that of the corallum itself; maximum diameter 1 millim., generally more or less raised above surface. Septa 8 in number, in one cycle, equal in size, commencing outside the calicle as ridges, and projecting above its edge as prominent square-topped teeth ; at a distance inwards varying from one fourth to half the radius they fall away perpendicularly and join the columella ; a second cycle is indicated by a slight swelling in the calicular rim between each of the two primaries. Columella mound-like, culminating in a short, sharp median point. Iuterseptal spaces deep. Colour of corallum white. Hab. Victoria Bank1, off S.E. Brazil, 33 fathoms; also (specimen already in British Museum) West Indies. Obs. The specimen from the West Indies already in the Museum, but not described, has the form of (apparent! j>) two stems which have fused laterally at one point. It bears several short tubercular processes, and is forked at the upper end; it measures 80 millims. in length by 10 in maximum thickness. The calicles differ from those of the Brazilian specimen in being always round, in being little, if at all, salient, and in the superior radial length of the septa ; it also differs immensely from it in relative stoutness, as the other measures only 15 millims. in length by 2 in thickness. In both cases the stem has a somewhat oval section; the calicles are between 1 and 2 millims. apart. The West-Indian specimen was probably a dead one and somewhat overgrown; so it is fortunate that one evidently taken alive has been secured. The differences between the two are important, especially the shape of the calicles, but apparently not sufficient to justify their separation. This species is named after the lamented author who was the first to recognize 1 Not marked in the ordinary maps; its position is lat. 20° 42' S., lone. 37°27'W. |