PLATE 3 6. 



Pago. 



Fig. 1. Scapihtes Conkadi, var. gui^osus i:j^i 



A side view of a perfect specimen of this variety. 



Fig. 'J. Scapihtes Conradi 430 



2, a. A peripheral and aperture view of au imperfect internal cast, consisting of septate volu- 

 tions only of the typical variety. 

 2, 6. A side view of same. 



-', c. A smaller imperfect specimen of same, side view. 

 2,d. A different view of last. 

 2, e. A side view of an unusually large specimen. 



2,f. A septum from the specimen represented by fig. 2, « and //, magnified to one and three- 

 quarter diameters. 



