ANNULATA. 



31 



Family 2. — Maldaniadce* 



The branchice which this family possesses 

 are in the form of long filaments, which, as 

 well as the head, are enveloped in the mantle. 

 — There is only 1 genus. 



3. Clymene. Tube, slender, open at both 

 ends, the exterior encrusted with sand and 

 pieces of shell. — There is only 1 species, 

 which inhabits the shores of the Red Sea. 



Family 3. — Amphitritidce.^ 



The branchice are disposed near the anterior 

 part of the body ; the tube is membranous or 

 corneous, and is more or less covered with 

 sand. — This family consists of 4 genera. 



4. Pectenaria. Tube, membranous or pa- 

 pyraceous, in the form of a reversed cone, the 



* Les Maldanees, Lamarck. Lamarck placed here the 

 genus Dentalium, which is now proved to be a mollusc, 

 and will be described in its proper place. 



■f Les Amphitritees, Lamarck. 



