Corals fi'om the China Sea. 373 



Prionastrcea robusta, Dana, sp. 



1848. Astma robusta, Dana, Expl. Exp. Zooph. p. 248, pi. xiii. fig. 10. 

 Tizard Reef, 2 fatli. 



Genus Plesiastr^a, Ed. & H. 



Plesiastrcea Urvillei^ Ed. & H. 



1850. Plesiastrcea Urvillei, Ed. & H. Ann. des Sci. Nat. 3" s6i: t x. 

 pi. ix. fig. 2, and t. xii. p. 117. 



Tizard Bank, 6 fath. 



Genus Cyphastk^a, Ed. & H. 



Cyphastriea Brueggemanni, Quelcli. 

 Cyphastr<Ba Bruegyeinanni, Qiielch, Chall. Report, Reef-Corals, p. 106. 

 Tizard Bank, 5 fath. 



Genus Leptastr^a, Ed. & H. 



Leptastrcea Ehrenhergana ?, Ed. & H. 



1850. Leptastrcea Ehrenliergana, E. & H. Ann. des Sci. Nat. 3* s^r. 

 t. xii. p. 120. 



A small incrusting lobed specimen, which approaches close 

 to the above species ; but it does not exhibit the deformed 

 corallites, which are stated to be usually present. From L. 

 transversa, Kl., it differs in the character of the columella. 



Tizard Bank, 7 fath. 



Lejdastrcea solida, Ed. & H., sp. 



1850. Baryastrcsa solida, Ed. & H. Ann. des. Sci. Nat. 3" st^r. t. xii. 

 p. 144. 



Tizard Bank, 6 fath. 



Genus Orbicella, Dana. 



Orhicella annuligera, Ed. & H., sp. 



1880. Astrcea annuUijera, E. & H. Ann. des Sci. Nat. 3* s^r. t. xii. 

 p. 103, 



Tizard Bank, 5-10 fath. 



