36 CALLIGORGIADJG. 



and size of the scales were noticed ; but they are not deemed suffi- 

 cient to warrant a specific separation." Pourtales, Bull. Mus. Com)). 

 Zool 1868, p. 130. 



58. XIPHOCELLA. 



The stem and branches compressed; edge sharp, shelving, and 

 toothed by the scars of the branches ; the rest like Calligorgia. 



Hal. ? 



131. Xiphocella Esperii. B.M. 



Gorgonia verticellata, Esper, Zooph. t. 42. 

 Hob. ? 



59. PLUMAEELLA. 



Coral fan-shaped, forked, expanded ; branchlets pinnate, op- 

 posite or alternate. Bark thin. Cells elongate, clavate, incurved, 

 alternate, in two rows on each side of the stem. Axis continuous, 

 stony. 



132. Plumarella penna. B.M. 



Ashy, laxly branched, flattened ; branches furcate, pen-like ; pin- 

 nules two-rowed, crowded, filiform ; cells papillary, ascending, two- 

 rowed. 



Gorgonia penna, Lamk. Ann. du Mus. ii., Hist. A. s. V. ii. p. 323. 



Gorgonia plumosus, Mus. Paris, 1843. 



Primnoa plumatilis, Rousseau. MS. Mus. Paris : Milne-Edw. Cor all. i. 



p. 141. 

 Callogorgia plumatilis, Gray, P. Z. S. 1859, p. 484. 



Var. Branchlets alternate. 



Hob. New Holland. 



A large and fine species, like a large Sertularia, branched and 

 pinnate in a single plane. Polype-cells ascending like those of 

 Calligorgia verticillata, but alternate and two-rowed. 



G. plumosa. Frond flat ; branchlets opposite, pinnate, with two 

 rows of paired cylindrical tubercles. Axis hard, rather stony (Mus. 

 Paris, 1848). 



60. CRICOGORGIA. 



Coral branched, expanded on a plane. Stem slender, cylindrical ; 

 branches slender ; branchlets pinnate, very slender, opposite or 

 alternate. Polype-cells prominent, very close together, in a series 

 at each side of the branchlets. 



Cricogorgia, M.-Edw. fy Haime. 



133. Cricogorgia ramea. 



Cricogorgia ramea, M.-Edw. $ Haime, Corall t. B 2 . f. G, not de- 

 scribed. 



Hob. ? 



This coral is like Primnoa plumatilis. 



