38 



RENILLID^. 



GG. Renillina sinuata. B.M. 



Renilla .sinuate, Gray, Ann. ^- May. Nat. Hist. 18C0, v. p. 24, t. 4. f. 2. 

 Hah. Philippines (//. Cuming, Esq.). 



Fig. 1. 



Renillina sinu-ata. 



Section II. Unibellularia. 



Body radiate, with a central posterior stem. 



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

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

 arc 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 ivorj'." 

 — Mylius. 



The two specimens obtained were dried and turned brown. 



Pennatulidso (part.), Milne-Ed w. Sf Haime, Corall. i. 

 Umbellulariadse, Gray, Synop. Brit. Mm. 1840, p. 73 ; Ann. 8( Mag, 

 Nat. Hid. 1850, iv. p. 440 j Dana, Zooph. p. 508. 



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. 



Umbellula, Cuvicr, Tab. Ulcm. p. 675. 



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



Ann. 8f May. Nat. Hist. 1800, v. p. 25 j Dana, Zooj)h. p. 598, 

 Les Ombellulairea, Cuvier, R. A. ed. 2. in. p. 319. 



