14 NOMKNCLATURE. 



carinat'i. Keeled ; the whorls compressed angu- 

 larly. 

 contigid. Contiguous ; growing together. 

 coronati. Crowned; surrounded towards the 

 apex with a simple row of protuberances 

 or spines. 

 distantes. Disjoined ; perfectly separate at the 



sides. 

 frondosi. Leafy; having the varices spreading 



into leaf-like or crested forms. 

 imlricati. Imbricated; covered with scales laid 



partly one over the other like tiles. 

 indivisi. Entire ; opposed to bifid. 

 lamellati. Lamellate ; plated, surrounded trans- 

 versely with membranaceous excrescences. 

 lineati. Lined ; engraven with lines, either raised 

 or excavated ; either longitudinal, extend- 

 ing from the apex to the base, transverse, 

 following the course of the whorls, or 

 striate, rendered rough by transverse striae, 

 '' Lines" sometimes express the tracing 

 only of the colour. 

 olsoleti. Obsolete; having the suture obliterated. 



