n 4 MINUTE MARVELS OF NATURE 



shown slightly magnified in Fig. 71. Wonderful 

 habitations are these, and built entirely by their 

 tiny inhabitants. 



Remains of similar organisms are found in some 



Fig. 74. Fossil zoophytes from Norfolk 



of the oldest rock formations, giving abundant 

 proof that the type flourished in the remote past. 

 Fossil species are unearthed from every corner 

 of our country, the rocks remaining as the 

 record of their existence ; and in Fig. 74 

 you may see a small group of them from 



