﻿38 



EENILLID^. 



66. Renillina sinuata. B.M. 



Renilla sinuata, Gray, Ann. 8,- 3Ia(j. Nat. Hist. 1860, v. p. 24, t. 4. f. 2. 

 Hah. Philippines {H. Cuming, Esq.). 



RcniUina siitnafa. 



Section II. Umbellularia. 



Body radiate, with a central posterior stem. 



" Rays tubular, divided into numerous (30) conical tubes, each 

 ending in a polype with eight pinnate tentacles. The outer cahces 

 are the largest, and the middle ones less and less ; they are like a 

 thick, tough skin, easily torn when wet." 



" The stalk is square, with a notch on each side ; the axis is white, 

 of a substance like wood, with long filaments nearly as hard as ivory." 

 — Mylius. 



The two specimens obtained were dried and turned brown. 



Pennatiilidfe (part.), Milne-Edw. 8; Haime, Corall. i. 

 Umbellulariadse, Gray, Synop. Brit. Mus. 1840, p. 73 ; Ann. Sf Mag. 

 Nat. Hist. 1859, iv. p. 440 ; Dana, Zooph. p. 598. 



26. UMBELLULA. 



The body free, umbellate, with a long stem and a single central axis ; 

 the upper part with a cluster of polype-bearing cells placed in con- 

 centric series, forming a large head. Axis square, elongate, as long 

 as the stem of the coral. 



UmbeUula, Cuvier, Tab. Elem. p. 675. 



Umbellularia, Lamk. A. s. V. ed. 2. ii. p, 381 ; Gray, P. Z. S. ; Gray, 



Ann. 8)- May. Nat. Hist. 1860, v. p. 25 _; Dana, Zooph. p. 598. 

 Les Ombellulaires, Cuvier, R. A. ed. 2. iii. p. 319. 



