480 



ANNELIDA. 



side, and a small cirrus. The neuropodium has a ventral cirrus. Pharynx 

 large, with papillae and two small jaws. Nephthys Guv. ; N. hombergii Aud. 

 and Edw., burrows in the sand near the shore to 20 fathoms ; Portellia Qtg. 



Fam. 10. Amphinomidae. Body vermiform or oval and flattened, with a 

 small number of segments. The mouth is shifted backwards and surrounded 

 by several similarly-built segments. The prestomium is indistinct, or repre- 

 sented dorsally by a sense-organ the caruncle which extends over several 

 segments. Usually three tentacles, two palps, and one or two pairs of eyes. 

 Proboscis well-developed, without teeth. Parapodia biramous, with dorsal and 

 ventral cirri, and dorsal branchiae. Most of the species are tropical. Euphrosyne 

 foliosa Aud. and Edw., and Eurythoe borealis Oerst., are found in the British area. 

 Sub-fam. 1. Amphinominae. With caruncle ; with 2 branchiae on each 

 segment. Amphinoma Brug. (Pleione Sav.) ; Hermodice Kinb. ; Eurythoe 

 Kinb. ; Notopygos Gr. ; Chloeia Sav. 



Sub-fam. 2. Euphrosyninae. With caruncle ; with numerous branchiae 

 on each segment. Euphrosyne Sav. 



Sub-fam. 3. Hipponinae. Without caruncle. Hipponoa Aud. and Edw. ; 

 Spinther Johnst. ; Aristenia Sav. 



FIG. 390. Tomopteris rolasi Greeff (after Greeff). 



Fam. 11. Staurocephalidae. Prestomium with two dorsal jointed tentacles, 

 and two inferior lateral tentacles (? palps). The two first segments without 

 appendages. Parapodia biramous, with two kinds of setae. Without branchiae. 

 Staurocephalus Gr. (Anisoceras Gr. ; Prionognathus Kef. ) ; Paractius Lev. 



Fam. 12. Lysaretidae. Prestomium with three tentacles and four eyes. 

 The two first segments without appendages. Parapodia uniramous with one 

 kind of seta. Dorsal cirri foliaceous, branchial. Halla Costa ; Lysarete Kinb. ; 

 Danymene Kinb. 



Fam. 13. Lumbriconereidae. Without branchiae, without or with reduced 

 cirri, and without tentacles. The two first segments without appendages. 



