SECTION VIIL 



159 



Genus 2. Lituiis, the crozier. This 

 Shell exadlly refembles a Bifhop's crozier 

 in (liape, for it has a long cyhndrick fteni, 

 one end whereof turns in a fplral manner; 

 but the fpires are few, feparated, and re- 

 cede from each other. 



Ereynius, who firft formed this genus, 

 in his above quoted work, defcribes and 

 figures a fingle fpecies, fo that it is an ex- 

 tremely rare foffil. But there is a fpecies 

 of fmall recent Shell, commonly called 

 the rams horn^^ found in great abundance, 

 both in the Eaft and Weft Indies, which 

 is ranked by moft authors as a nautilus or 

 ammonis^ that certainly is the very iden- 

 tical fpecies with the foffil kind. We 

 only fee the fpiral end of this recent 

 fpecies in our colledions, and never with 

 its ftem. However, the view alone of it 



* Nautilus exiguus, albus, pellucid us, teres, Lift. 

 Hid. Cench. lib. 4, Se6^. 40 1, fig. 2. Nautilus Spirula 

 LinriSei Syft. Nat. p. 1163. 279. 



evinces 



