PLACE OF MICROORGANISMS IN NATURE 21 



lowest of the orders among the plants is called Thallophyta. 

 This is divided into Algae, Lichens, and Fungi. The Fungi 

 are divided into Hyphomycetes (moulds), Blastomycetes 

 (yeasts), and Schizomycetes (bacteriacese or bacteria). 

 This family is divided into Cocci, Bacilli, and Spirilla. 



Protozoa, the lowest animal class, present the orders 

 Sarcodina, Mastigophora, and Sporozoa, which contain 

 nearly all the forms of interest in this work. 



