K XI' I, A NATION OF I'LA 1 K IX. 



Ct)luiiiiiaria iiemingliensis, I'jtii. til. 



Fig. 1. Transverse section, ])re|>are(1 for tlie niicr(_)Scope, exliilnfinrr tlie 

 variabilitv in tl:e anangenient of flie scjita — x ."!.', diani. 



2. Longitiulinal section displaving tlie lamellar septa and tabulae 

 — X 8i diani. 



