90 



THE UNIVERSE. 



of beautiful white to which it owes its ancient name of 

 Albion. In Eussia, near the Volga, in the north of 

 France, in Denmark, Sweden, Greece, Sicily, Africa, and 

 Arabia, many chalk hills have a similar origin. 



The imagination is scared at the computation of the 

 power of organic life which produced such masses by 



38. Foi-iiminifera, greatly enlargetl,^ 



1. Gaudryina piipoidcs. G^ Adelosina striata. 



2. Dentalina muHicostata. 7. Bulimina varmhiHs. 



3. Marglnulina gradata. 8. Crhtetaria rotulata. 



4. Textularia pi/gmea.. 0. Rosalina dcmentiana. 



5. Frondicularia radiata. 10. OrhuUna universalis. 



the simple agglomeration of creatures almost invisible. 

 In fact, their minuteness is such that Schleiden maintains 

 that a single visiting card, when it is covered with a Avhite 

 layer of chalk, represents a zoological cabinet containing 

 nearly 100,000 shells of animals. 



^ The sand of every sea-ahore is so full of Forarainifera that it may he said 

 to be one-half composed of them. In a single ounce of sea-sand from the 

 Antilles, 4,000,000 individuals may be counted. — Chenu. 



