468 Rev. T.Hincks’s Catalogue of Zoophytes 
2. PaTINELLA, Gray. 
P. patina, Lamarck. 
Very common, on shells, stones, &c., from moderate depths 
to 40 fathoms. oh 
From Torbay and from deep water off the Cornish coast, I 
have very beautiful specimens, which are proliferous in habit, 
bearing the young on the margin of the cup. In one case as” 
many as five are present, occupying the greater portion of the 
edge of the disk. A similar condition is met with in the P. pro- 
ligera of Mr. Busk’s ‘Monograph on the Crag Polyzoa,’ and 
may prove to be common throughout the genus. It has never 
come under my observation, however, except in the case of the 
specimens to which I have referred, nor have I met with any 
account of its occurrence in a recent species. The cup in this 
proliferous form is deep and funnel-shaped, and stands erect, 
being attached by only a small portion of the base. The young 
are developed on the cellular border, just within the basal 
lamina. 
Dr. Johnston states that the cells of this species have “a plain 
circular aperture.” But both the upper and lower margins are 
frequently produced into a strong mucro, the orifice appearing 
bifid when viewed sideways. 
3. DiscororEiia, Gray. 
D. flosculus, n. sp. Pl. XVI. fig. 
Polyzoary discoid, bordered with a thin margin; cells much 
raised, with a strong mucro on the upper edge, united toge- 
ther in regularly radiating rows, alternately longer and shorter, 
which are separated by reticulated spaces; the centre of the 
disk a depressed area, reticulated, with two or three large 
oblong openings placed near the edge of it. 
Not common, on weed and shell: Brixham ; Salcombe Bay. : 
The polyzoary forms a circular convex disk, about + inch, or 
rather more, in diameter, resting on a thin base, which is adnate 
throughout ; the entire surface is reticulated. The cell-tubes 
are much raised, and united together in radiating rows, with 
reticulated grooves between them. The uppermost cell-tubes 
are the longest, and they gradually diminish in height as they 
approach the margin. The rows of cells are alternately longer. 
and shorter, the former radiating from the border of the central 
area to the margin of the disk, the others extending only about 
half the distance. The upper edge of the cells is strongly mucro- 
nate. At the top of the polyzoary there is a somewhat concave 
area, closely reticulated, and with a variable number (generally 
