ACTINODOBJS. 49 



Genus GLOSSODORTS, Ehrenberg. 



Tentacles dorsal. Gills ligulate or strap -shaped, retractile 

 into a common cavity. Back tubercular. 



Syn. Doridigitata, D'Orb. Pterodoris, Ehrenb. 



Ex. G. Bertheloti, D'OrMgny, pi. 62, fig. 1. 



In this genus the back of the mantle is covered with digi- 

 tate processes, interspersed with small elevated tubercles ; 

 the tentacles are clavate, with the clubs laminated ; the front 

 side-angle of the foot is produced and lanceolate. 



Species of Glossodoris. 



Bertheloti, D'Orb. picturata, Ehrenb. 



brachyphylla, Ehrenb. verrucosa, Guv. 



D'Orbignyi, Webb and Berth. xantholeuca, Ehrenb. 

 erythrsea, Ehrenb. 



Genus ACTINODORIS, Ehrenberg. 



Tentacles dorsal. Gills strap-shaped, cut or forked at the 

 tip, retractile into a common cavity. Back simple. 



Ex. A. flammulata, Quoy and Gaimard, pi. 62, fig. 2. 



The type of this genus, a large and showy Nudibranch, is 

 very handsomely marked on the back ; the mantle-margin is 

 plicate, the tentacles are clavate, lamellar, and retractile 

 within sheaths, and the branchial organ forms a star around 

 the vent, each ray of which is bifid, and each fork of the 

 bifid end is serrated. 



Species of Actinodoris. 



cruenta, Quoy and Gaim. Krusensternii, Tilesius. 



flammulata, Quoy and Gaim. maculosa, Quoy and Gaim. 



fumosa, Quoy and Gaim. Mauritiana, Quay and Gaim. 



