1 4 NOMENCL ATUB E. 



carinati. Keeled ; the whorls compressed angu- 

 larly. 



contigui. 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. 



imbricati. 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, 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. 



obsoleti. Obsolete ; having the suture obliterated. 



