19 

 Foraminiferce. PLATE 4. 



Entosolenia (Globosa) fracture (?) Tube straight, and sexagonal FIG. i. 

 form; aperture above the form of the shell, covered with irregular 

 striae ; hyaline texture. 



Miliolina (Seminulum). Five segments ; septal aperture hidden in FIG. 2. 

 second segment ; foramina on outer segment distinct. 



Miliolina (Disciforrnis). Segments irregular, outer one marked FIG. 3. 

 with longitudinal lines, and foramina pittings; septal aperture large 

 and oblong. 



Textularia (Variabilis). Segments arcuate twenty in number; FIG. 4. 

 minute foramina absent from some portions ; orifice distinct. 



Polymorphina (Acuminata). Variable number of oblong segments, FIG. 5. 

 sides unequal ; segments prominent, seen in the centre ; texture hyaline 

 and glossy; orifice not seen; perforated by minute foramina; silicious 

 mucro or spine projecting upwards. 



JBulimina. Segments arranged in pairs; form compressed; brown FIG. 6. 

 rough exterior ; convolute ; foramina perforations minute yet distinct. 



C2 



