ArPENDix. 033 



Vol. ii. p. 54. Genus TOLYCERA. 



Sub-gen. palio, Gray. 



Frontal veil short, bi-lobecl, tuberculated on the edge. Gills 

 branched, with more than one tubercular appendage on each side. 

 P. Ocellata is an example. 



Vol. ii. p. 71. Genus CHIOILERA. 



We are now enabled to give a figure of this genus, taken from 

 the '.'United States Exploring Expedition." 

 Chioraera leonina, Gould, pi. 138, fig. 1. 



Genus CALMA, Alder and Hancock. 

 (Sub-fam. ^olidin^e.) 



Body depressed, rather broad. Tentacles small, simple, 

 linear. Gills linear-fusiform, clustered on cylindrical footstalks. 

 Foot broad, anterior angles acute. 



Ex. C. glaucoides, Alder and Hancock. 



Genus FACELTNA, Alder and Hancock. 

 (Sub-fam. ,eolidjn;e.) 



Body rather slender. Dorsal tentacles laminated; labial 

 feelers long. Gills linear or fusiform, clustered. Foot narrow, 

 with the anterior angles acute and much produced. 



Ex. F. coronata, Forbes. 



The following species, comprised in this genus, we had 

 referred to Flabellina. 



annulicornis, Nat. Cur. minima, ForsJc. 



coronata, Forbes. subrosacea. Eschsch. 



crassicornis, Eschsch. 



