480 



ANNELIDA. 



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

 large, with papillae and two small jaws. Nephtliys Cuv. ; N. hombergii Aud. 

 and Edw. , burrows in the sand near the shore to 20 fathoms ; PortelHa 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. Euphrosync 

 Joliosa Aud. and Edw., and Eurythoc borcalis Oerst. , are found in the British area. 

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

 segment. Amphinoma Brug. (PUione Sav.) ; Hcrmodice Kinb. ; Eurythoc. 

 Kinb. ; Notopygos Gr. ; Chlocia Sav. 



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

 on each segment. Euphrosync Sav. 



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

 Spinthcr 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. 

 StaurocepJialus Gr. (Anisoceras Gr. ; Prionognathus Kef. ) ; ParactiusLev. 



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. Hallo, Costa ; Lysarctc Kinb. ; 

 Danymcne Kinb. 



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

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



