76 iEOLIDlJ^/E. 



Species of Coryphella. 



Landsburgi, Alder and pellucida, Alder and Hanc. 



Hanc. rufibranchialis, Johnst. 



Genus TERGIPES, Cuvier. 



Body linear. Tentacles subulate, smooth, simple ; labial 

 feelers short. Gills in a single row on each side. Foot 

 square in front. 



Ex. T. despectus, Johnston, pi. 66, fig. 5. 



In this genus the spawn is kidney-shaped. The species 

 inhabit corallines and sea- weed on the verge of the littoral 

 and in the laminarian zone. The gills are large, papillose, 

 and few in number, forming a single series on the sides of 

 the body ; the front angles of the foot are not produced, and 

 the oral tentacles are short. 



Species of Tergifes. 



adspersus, Nordm. exiguus, Alder and Hanc. 



bullifer, Loven. fustifer, Loven. 



despectus, Alder and Hanc. Lamarckii, Desk. 

 Edwardsii, Nordm. 



Genus PHIDIANA, Gray. 



Tentacles clavate, perfoliate; labial feelers subulate. Gills 

 in cross rows along the back. 



Syn. Cavolina, D'Orb., not Brug. or Gioeni. 

 Ex. P. Patagonica, D'Orbigny, pi. 66, fig. 6. 

 In Phidiana the form of the dorsal tentacles is clavate, 



