116] 



The Classification of Lower Organisms 



' B^^ 



fiG. 23. — Chytridinea: a-c, Polyphagus Euglenae attacking cells of Euglena, 

 X 400, after Nowakowski (1876); in figure b, two individuals have made contact 

 and a zygote is developing at the point of junction; c, sporangium, d-i, Olpidium 

 Allomycetos attacking Alomyces anomalus, x 1,000, after Karling (1948); d, e, zoo- 

 spores; f, sporangium of the host beset with many parasites; g, h, resting cells of the 

 host containing respectively sporangia and resting cells of the parasite; i, germina- 

 tion of resting cell. 



