The Annals and magazine of natural history; zoology, botany, and geology . g the branches of zoophytes or corals ? The specimens of this Gorgonoid coral I found among somePennatulcB dredged up from off Cape Frio, near Rio de is curious as being simple, thread-like, unbranched, androunded off at each end; so that it must have been free. It iscovered with a single regularly disposed series of small, fusi-form, flattened spicules, closely applied to each other. Thereare a small number of very distant, short, broad, conicalpolype-cells, which are also covered with a single series ofspic
The Annals and magazine of natural history; zoology, botany, and geology . g the branches of zoophytes or corals ? The specimens of this Gorgonoid coral I found among somePennatulcB dredged up from off Cape Frio, near Rio de is curious as being simple, thread-like, unbranched, androunded off at each end; so that it must have been free. It iscovered with a single regularly disposed series of small, fusi-form, flattened spicules, closely applied to each other. Thereare a small number of very distant, short, broad, conicalpolype-cells, which are also covered with a single series ofspicules. One of these cells is near each end, and it and theend of the coral are covered with spicules like the rest of thestem. In the structmC of the bark and the form and disposition ofthe polype-cells it is very much like the genus -4c?s, de-scribed and figured by Duchassaing and Michelotti (Coral,dcs Antilles, p. 19, f. 14,15); but it differs from that genusin being unbranched and free. 31* 444 Dr. J. E. Gray on new Genera and Species ofFiligella gracilis. Fig. The coral very slender, thread-like; the polype-cells aboutone inch or three-quarters of an inch Coast of Brazil and Cape Frio. CirrhipatJies filiformis. Coral very slender, thread-like, of equal diameter from endto end, pale brown, with crowded spinules on the surface;the spinules are conical, nearly transparent, and spread outnearly horizontally from the axis. Hab. Australia. This specimen was found among some reptiles &c. pur-chased from Mr. Higgins, from Austialia. Mr. Jukes, in 1846, presented to the British Fig- some corals that were collected byhim on the north coast of Australia: amongothers, there are two very interesting newgenera allied to Melithcea and Isis. Theydiffer from all the other genera of the groupin only having a single series of polype-cellson each of the two edges of the branchesand branchlets. ACABARIA. The coral very slender, branched, dichoto-mous, expanded in
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