408 On new Oenera and Sjjeci'es of Alcyonoid Corals. 



ratlier far apart on the two sides of the branches. Polypes 

 with eight tentacles. Axis cylindrical, or rather compressed, 

 soft, wood-like, and white, spiciilose. 



Lignella Ricliardi. 

 Bark dark fulvous. 



Gorgonia Richardi, Lamx. Pol. flex. 407; Ducliass. & Michel. Corall. 

 Antilles, 29, tab. 4. fig. 1. 



Hah. West Indies. 



Leucoella. 



Coral branched, fan-like, in the same plane, compressed ; 

 branches furcate, upper side convex or angular, lower side 

 concave, smooth, barren, with a more or less wide central 

 groove. Bark thin and smooth. Polype-cells large and sphe- 

 rical, scattered or in lines on the upper surface and margin of 

 the stem and branches. Axis white, wood-like, soft, with 

 fusiform warty spicules, which are generally slender and elon- 

 gate, but some are thicker and more ventricose. 



Leucoella cervicorn is. 



Coral irregularly branched ; branchlets furcate, crowded. 

 Bark dark brown. 

 Hah. ? B.M. 



ViOA. 



Coral branched, cylindrical, or slightly compressed ; branches 

 subacute. Polype-cells occupying the whole surface, sunken. 

 Spicules of the red bark scattered, yellow. Axis placed longi- 

 tudinally. 



Vioa, Nardo, Isis, 1832. Tjpe, Alcyoniiiyn asbestinuin. 



Vioa ashestma. 



Porus spongioides, Petiver, Gazopli. t. 22. f. 22. 



Alcyonmm asbestimnii, Pallas, Zooph. 344; Esper, ii. lab. 5. 



Vioa asbeslina, Nardo, Isis, 1832. 



Lobidariu ai^hcstina, Ehrenb. Coral. 59. 



Briaremn ashestinum, Verrill. 



Briareum suberosum (part.), Kolliker, Icones, p. 141. 



Briarea asbestina, Ducliass. & Michel. Corall. Antilles, lo. 



Hah. West Indies. B.M. 



