ZOOPHYTOLOGY. 
245 
Cellularia ternata. 
Peachii. 
Bugula Murrayana. 
Alcyonidium parasiticum. 
The new genera and species described in Mr. Alder's 
^Catalogue' are — 
1. Anthozoa. 
Fam. TUBULARIADiE. 
1. Vorticlava. Alder (p. 10). 
Polype linear-cylindrical or clavate, soft, naked, affixed at the base, soli- 
tary (?), Head terminal; tentacles in two rows, stout, dissimilar, the upper 
row capitate. 
1. V. humilis, n. sp. Alder (p. 10, PI. I, figs. 1, 3). 
Body white, semi-transparent, nearly of equal thickness throughout; 
upper tentacles 5, short and stout ; lower tentacles 10, about three times 
the length of the upper. Length of body, -^^ inch. 
Hab. On Corallina officinalis^ between tide-marks. CuUercoats, also at 
Felixstow. 
2. Eudendrium, Ehrenb. 
1. E. confertum, n. sp. Alder (p. 13, PI. I, figs. 5 — 8). 
Polype white or pale flesh-coloured, with a longish ovate head, surrounded 
by a single row of tentacles. Polypary tubular, yellowish, horn-coloured, 
strongly wrinkled across, but not annulated, slightly branched and expand- 
ing a little towards the apertures ; base, a densely reticulated and closely 
adhering crust. Height, ^io \ inch. 
Hab. On old sliells of Buccimm undatmn and Fusus ardiquus from deep 
water. CuUercoats. 
2. B. capillare, n. sp. Alder (p. 15, PI. I, figs. 9, 12). 
Polypary minute, very slender, thread-like, a little branched, transparent, 
pale horn-coloured, smooth, excepting two or three faint rings near the 
origin of each branch. Polypes terminal on the upper branches, vase- or 
pear-shaped, with a single row of eighteen or twenty, long, slender tentacles ; 
reproductive capsules on separate short branches near the lower part of the 
stem, or clustered on verticillate pedicles ; two or three capsules in linear 
series on each pedicle. Height, ^ inch. 
Hab. Parasitic on Antenmdaria ramosa. Embleton Bay. 
3. Tubularia. 
1. T. implexa, n. sp. Alder (p. 18, PI. VII, figs. 3—6). 
Tubes small, very slender, generally more or less contorted below, smooth, 
wrinkled, or regularly annulated beneath a smooth, transparent epidermis ; 
slightly and sub-unilaterally branched; the branches going off nearly at 
right angles to the stem, and a little constricted at their base. Gregarious, 
forming a densely tangled mass of \ to f inch in height. 
Hab. Deep water, thirty miles east of Holy Island. 
Pam. SERTULARIADiE. 
1. Seriularia, Linn. 
1. S. tricuspidata, n. sp. Alder (p. 21, PI. II, figs. ], 2). 
Stem slender, alternately branched, twisted at intervals, and jointed abeve 
