14 NOMENCLATURE. 



carinati. Keeled ; the whorls compressed angu- 

 larly. 



contigiii. Contiguous; growing together. 



coronaii. Crowned ; surrounded towards the 

 apex with a simple row of protuberances or 

 spines. 



distantcs. Disjoined; perfectly separate at the 

 sides. 



frondosi. Leafy ; having the varices spreading 

 into leaf-like or crested forms. 



imhricati. Imbricated ; covered with scales laid 

 partly one over the other like tiles. 



ivdivisi. Entire; opposed to bifid. 



lamellali. Lamellate ; plated, surrounded trans- 

 versely with membranaceous excrescences. 



Uneali. Lined; engraven with lines, e'lthev raised 

 or excavated} either lojigitiidinalj ex- 

 tending from the apex to the base, trans- 

 verse, following the course of the whorls, 

 or striate, rendered rough by transverse 

 striae. 



" Lines" sometimes express the tracing 

 only of the colour. 



ohsolcti. Obsolete; having the suture obliterated. 



