2 6 
THE LIVING WORLD. 
Fossil numullites are especially numerous, and though generally micro¬ 
scopic in size, their minute bodies compose the principal bulk of many moun¬ 
tains, such as the Alps, Carpathian and Pyrenees. The Pyramids and Sphinx- 
CUTTLE-FISH {Sepia officinalis). 
of Egypt are a composite of limestone and the chalky remains of these small' 
animals, and all chalk, wherever found, is but a composition of the fossil of 
these and other creatures belonging to the same genera. In the long ages- 
