226 



a. Coral free, unattached. 



Sphenopus Steenst., Sidisia Gr. 



b. Coral attacbed; cells arising from a foliaceous expan- 

 ded base. 



Epizoanthus n. , Gemmaria Duch. et Mich., Paly- 

 thoa Lamx. 



c. Coral attached ; cells arising from a slender subcylindri- 

 cal base. 



Carolia n. 



d. Polypes forming a network. sunk in sponges ; the buds 

 arising the upper or cephalic edge. 



Bergia Duch. et Mich. 



e. Polypös attached, solitary, with a rather expanded base. 



Trig a n. 



Die neuen Gen. werden diagnosticirt, wie folgt : 



Falythoa (?) Bartholeti. The pclj-pes close together, ari- 

 sing from a net-like anastomosing linear base. 



Pales n. Body cylindrical; isolated, solitary, clustered or 

 sometimes proliferous, but each specimen having a separate base; 

 outher skin smooth, thin, olive-brovvn. slightly concentrically wria- 

 kled: the tentacles numerous. The internal laminac numerous, 

 slender. only slightly elevated, with a thiked edge and sinuous be- 

 low. P. Gliftoni n. von West-Australien. (Das Leipziger Museum 

 besitzt dieselbe Form von Port Natal.) 



Epizoanthus n. The base expanded. foliaceous (parasitic 

 on Shells) ; the cells cylindrical, simple, separate from each other 

 from the base; tentacles numerous. E. papillosus Gr. Engl. (Dysidea? 

 papulosa Johnst.) 



Carolia n. The base slender. subcylindrical, creeping; the 

 cells cylindrical, separate, and far apart from the base. C. (Zoan- 

 thus) Couchii Johnst. 



Triga n. The coral subcylindrical, solitary. attached. with 

 a rather expanded base ; outer coat coriaceous. sandy, concentrically 

 wrinkled. 1. philippinensis n. 



Auch die Gruppe der Pleischcorallcn wird von Gray 

 bearbeitet (notes on the fleshy Alcyonoid coraJs, Annals 

 and Mag. nat. bist. Vol. III. p. 117 — 132) und foigender- 

 maassen systematisch geordnet : 



Sect. I. Dermocor allia. The coral crust-like, attached by 

 the lower surface, or lobed and branched, with polypes on the whole 

 of the exposed surface. 



A. The coral crust-like or skin-like, spreading and attached 

 by the lower surface. The body of the polype short. 



