t 



303 



NODOSARIA. 



NAUTILUS RADICUI.A. LintUSUS. 2 



Encjfd. Meth. pi. 465,/. 4, A. B. C. 



This genus very nearly approximates the preceding; 

 but the exterior has smooth, globular nodosities, and 

 has not the small longitudinal ribs which render the 

 Orthoceree channelled on the interior. 



Nodosaria radicula Nodosaria dental ina 



Nodosaria siphunculus. 



HIPPURITE.— A fossil. 



CONILITES.— Ditto. 



i 



SPIRULA. 



nautilus spirula, — Linnceus. 



Mawe's Linn. pi. I9>f>3. 



This common little shell is known to all collectors, 





