31 



Poli/ci/stince. 



Lychnoeanitt m (Falciferum). Fracture. 



PLATE 13. 



FIG. i. 



Eucyrtidium (Tubulus). 



Numerous glassy frameworks. 



FIG. 2. 



FIG. 3. 



FIG. 4. 



Numerous forms. 

 Lychnocanium. 



SECOND LISE 

 FIG. 1. 







FIG. 2. 



* 



FIG. 3. 



Eucyrtidium, Eleyans. 

 Podocyrtis Mitra. 

 Lychnocanium Lucerna. 



THIRD LINK 

 FIG. 1. 



FIG. 2. 

 FIG. 3. 



Many of these silicious forms possess extraordinary beauty and 

 variety. All were probably dead forms, as in no instance was even 

 the remains of the Sarcode body observed. 



