126 
CELLULARIA. 
Generic Character: Polypidom calcareous or membrano- 
calcareous, con fervoid, divided sub-dichotomoasly, the 
divisions narrow, composed of two alternating series ot 
oblong sessile cells on a single plane ; the apertures ter* 
minal, oblique, facing one way and usually covered with 
an operculum. Polypes ascidian. 
CILIATED CORALLINE. C. Ciliata. White, creot. 
dichotomously branched; cells distinctly alternate, a ‘ 
opening on one side ; apertures oblique, with four or fR® 
long bristles on the upper and outer margins. PI. xxiit-* 
fig. 1. 
Ciliated Coralline, Ellis’ Coral., p. 38, pi. 20, fig. d D* 
Sertularia ciliata, Turton’s Lin., vol. 4, p. G85. Stewart ’ 3 
Eleni., vol. 2, p. 448. Cellularia ciliata, Flem. Brit.. An-* 
p. 540. Cellaria ciliata, Ellis and Solander’s Zoopl>» 
p. 24, no. 6. Crisia ciliata, Lamonroux’s Cor. Flex., p. 139* 
Templeton in Mag. Nat. Hist., vol. 9, p. 488. Cellulari® 
ciliata, Johnston’s Brit. Zooph., p. 290, pi. 38, fig. 1 and 2. 
Hah. On Corallines and sponges, near the EddystoH® 
lighthouse; not common. Mount’s bay. 
This minute and delicate species grows in down-like tuft 3 
to the height of half-an-incli. It is while, calcareous, and 
dichotomously branched. The cells are distinctly alternate* 
narrow at the base, and enlarged above; the apertures are 
turned on one side, aud are very large, oblique, with four ° r 
five hollow spines, which, when perfect, are about four tint® 3 
as long as the diameter of the cell; these are situated at th 0 
upper and outer labial rim. Over the apertures are helm® 1 ' 
shaped pearly lids, which are raised in drying. 
CREEPING STONY CORALLINE. C. Scruposa. Creep' 
ing, dichotomously branched ; cells in a double seri® 3 ’ 
alternate; apertures round, unarmed, with a stout ang‘° 
at the superior aud external margin. PI. xxiii., fig. ‘2. 
Creeping Stony Coralline, Ellis’ Coral., p. 38, no. 4, pl-^?' 
fig. c C. Sertularia sernposa, Turtou’s Lin., vol. 4. p. b'd®‘ 
Stewart’s Elem., vol. 2, p. 448. C. Scruposa, Flen>ing’ s 
Brit. An., p. 539. Cellaria scruposa, Ellis and Soland®*" 3 
Zooph., p. 23, no. 5. Crisia scruposa, Lamouroux’s 
Flex., p. 139. Templeton in Mag. Nat. Hist,, vol. 9, p- 
Cellularia scruposa, Johnston’s Brit. Zooph., p. 291, pi- 3 ’ 
fig. 5 and 6. Bellamy’s South Devon, p. 270. 
Hah. On the roots of sea weed, on Corallines, and °° 
the hack of the Corwieh crab. Whitsand bay. L°° e ' 
Polperro. Lantivet bay. Fowey. Goran. Port 1 * ° e ' 
Mount’s bay. 
