Fig. 1. Conutina conica, 

 after d'Orbigny. 



JOURN. R. MICR. SOC. 1917. PI. X. 

 a 



Fig. 4. 



CrucilocuUna triangularis, 



after d'Orbigny and Carpenter. 



b c 



f^ 



i 



Fig 2. 

 Cuneollna pauonia, after 

 d'Orbigny and Carpenter. 



Fig. 5. 



Rotalia dubia, after 



Fornasini, from the 



Planches inedites. 



Fig. 3. 



Unilocullna 



indlca, 



after 



d'Orbigny. 



Plate X. Some d'Orbignyan Species. 



