Corah from the China S''a. 4"J7 



Porites solidnj For.sk., sp. 

 177o. Madrepora soUda, var. a, Fursk. Dcscrip. Aiiim. p. 131. 

 Itu-Aba, Tizard Reef, 2 fatli. 



Porites crassa ?, Quelch. 

 Pontes crassa, Quelch, Chall. Rep. Keef-Corals, p. 133, pi. xi. figs. 2, 2a. 

 Tizard Bank, 7 fatli. 



Genus RriODAR.E.v, Ed, & IT. 



PhoJarcea (jracilis^ Ed. & II. 



1860. Rhodarcca gracilis, Ed. & II. Hist. Nat. des Cor. t. iii. p. 184. 



One large globular speciuicn, with two thirds of its surface 

 covered by a compact coencnchyma. The corallites arc not 

 more than 2 millini. in diameter, and they thus correspond 

 rather with this species than with R. cal>/cidarisj Lamk., sp., 

 in which, according to Ed. & II., they are from 3 to 4 

 milliin. in width. Tiie description of tlie species given by 

 Ed. & II. is very meagre. 



From the Tizard Bank, Itu-Aba, depth 2 fath. 



The specimen is in one place incrusted by Ileliupora 

 cceruUa. 



Rhodaraa (?) LagrenWi, Ed. &. H. 



Rhodarmi (?) Laf/renii, Ed. & H. Monogr. des Poritides, p. 43 ; iid. 

 Hist. Nat. des Cor. t. iii. p. 184. 



The sj)ecinien doubtfully referred to this species is ramose; 

 the branches about 10 millim. thick, uneven, nodose, fur- 

 cating, their lower portions completely enveloped by wrinkled 

 compact coencnchyma; the calices oblique, about 4 millim. 

 wiile. 



Macclesfield Bank, 40 fath. 



Genus Alveopora, Quoy & Gaimard. 



Alveopora dcedalea, Forsk., sp. 



1775. Madrepora dadalea, Forsk. Descr. Anim. in itin. Orient, observ. 



p. 133, pi. x.x.Yvii. fig. B. 

 1879. Alveopora dcedalea, Klunzinger, Die Korallth. des rothen Meeres, 



Th. ii. p. 47, pi. V. figs. 25, 26. 



Growing in branches and in lobate ma.sses, the lower 

 portions of which are covered with a delicate, wrinkled, non- 

 perforate, epithelial membrane. Polyps only alive at summit 

 of specimens. 



Macclesfield Bank, at depths of 27 to 40 fath. 

 Ann. & Mag. N, Hist. Ser. 6. I &/. vi. 33 



