XXX 



7 AMPHITRITE. 



Body projefting from a tube and annulate : peduncles, 

 or feet fmall, numerous, with lateral fafciculi, and 

 branchiae : feelers two, approximate, feathered : no 

 eyes. 



The Amphitrite inhabits fome fpecies of Serpula, and 

 Sabella, or holes in rocks. 



S TEPxEBELLA. 



Body oblong, creeping, naked, furniflied with lateral 

 fafcicles or tufts, and branchisc : mouth placed before, 

 furniflied with lips, without teeth, and protruding a cla- 

 vated probofcis : feelers numerous, ciliated, capillary, 

 featcd round the mouth. 



The Terebclla inhabits many fpecies of Serpula, Den- 

 taliuvi, and Sabella; many are deftitutc of any natural 

 covering, but fix themfelves in holes of rocks. 



9 NEREIS. 



Body long, creeping, with numerous lateral pedun- 

 cles, or feet on each fide, and fafciculi : feelers fimple, 

 rarely none : eyes two or four, rarely none. 



The 



