FIJI-NEW ZEALAND EXPEDITION 87 
tentacles was a beautiful orange red. It bore considerable super- 
ficial resemblance to the figure of an actinian given on pl. 4, fig. 
31 of Dana’s Zoophytes of the Wilkes U. S. Exploring Expedition. 
These plates still remain, in my opinion, the most beautiful ones, 
of anemones, that I have seen. 
Great areas of the flats were fairly carpeted with colonial anem- 
ones or Zoanthidea. I suppose there were literally acres of them 
and doubtless some colonies contained thousands of individual 
anemones. They were rarely expanded at low tide, even when 
covered with water, so we could not get satisfactory views of the 
polyps. They were usually of a yellowish tan color, sometimes 
almost buff. In preserved specimens the polyps are thickly crowd- 
ed over the surface leaving but little econenchyma exposed, and 
they are but little exserted; their walls are tough and leathery, 
having a sandy feel, for this form and many of its allies cements 
sand on its outer surface, presumably for protective purposes. 
The mesenteries are numerous, about forty in specimens examined, 
and are furnished with thick muscles. The tentacles are folded 
over the disk in retraction. A vertical section shows that the polyp 
is about one centimeter long when retracted. 
Several other anemones were found, both compound and simple, 
but the two described were by far the most conspicuous. My 
notes mention a slaty blue compound anemone, and we brought a 
number of other forms which will be placed in the hands of 
specialists. 
But one medusa was seen by me on Makuluva and that was too 
large for any of our bottles. It was of the Rhizostome type with 
complicated mouth-arms and no central mouth. The disk was 
purplish in color, the lower part blue, the mouth arms transpar- 
ent and brown-edged. The hydromedusz were inconspicuous, with 
the exception of the Hydrocoralline of which several species were 
fairly common. One that closely resembles the Millepora of the 
West Indies was identified as Psammocora by Dr. Vaughan. The 
colony forms a profusely branched clump, the tips of the branches 
often having a clavate form. The surface is quite unlike that of 
Millepora, however, being covered with curious, densely aggregat- 
ed, bristly points and short bristly ridges, which in some places 
give a minutely vermiform appearance. The zooids are hard to 
make out. The gastropores are placed in the center of a number 
of bristling radiating ridges which are shaped like the petals of a 
flower, forming a sort of daisy pattern around the gastropores. 
