Photo: J. J. Ward. 



A SPOT OF POND WATER AS IT APPEARS UNDER T 

 MICROSCOPE, SHOWING VARIOUS FORMS OF UNI- 

 CELLULAR PLANTS, ETC. 



Photo: J. J- Ward. 



BLUE CHEESE MOULD 



The spore head of Blue Cheese Mould is shown buying 

 and scattering its spores, which float in the ,,r and fall on fo, 

 material and develop new mould plants. 



