EOLIDID^. 



101 



Antiopa (Alder and Hancock). Oblong, pointed 

 behind ; dorsal tentacles ringed, and connected by 

 an arched crest ; gills and vent as in Proctonotus. 



A. cristata. Fig. 135 ; n. s. 

 hyalina. 



133 



134 



135 



HermcEa (Loven). Lengthened; tentacles two, 

 ear-like, folded ; gills lengthened, along the sides ; 

 vent near the fore part of the back ; no jaws. 



H. dendritioa. 



bifida. Fig. 136 ; n. s. 



Alderia (Allman). Oblong, convex ; head lobed ; 

 no tentacles ; no jaws ; gills in transverse rows 

 along the sides of the back ; vent on the hind part 

 of the back. 



A. modesta. Fig. 137 ; f. 



