CRYPTOGAMS 



PROTOCOCCUS— WATER-N ET 



PLATE IV. 



Tig.lFrotOCJOOUS vulgaris- average size -from 2000 to 5000 in 



b. Effects of Reagents 

 Iodine icSu^hunc and Crushed Potash 



c. Multiplication hy Division 

 division into 2 division into 4 



d. Endogenous Dn-ision. 



Glinted 

 Zoooomdium 



Fig. 2 Proto * coccus pluvialis 



c .after Division, 



d.Motile. Forms 



LIFE HISTORY DIAGRAM 



Division into 4 



/ ■■ Hfl Zooqonidu 



Fig. 3 Fcuidoriiui (* SOOj 



f. Resting Zygospore 

 b. J/ale Zoospore d. Coiyuga iff Zoospores 



Zoospore. &.. Coryugatrd Zoospores g. Germinatiijg Zygospore 



U L T H R I X CM 0) 



frotococcus 



■ysr&l . 



h. Young Colory 



oogonjdut 



I'cntmts 



Zoog 



■n j-n ■ jht ^ Fig. 5 Fortiori ofFHammt _. cx , 9 Pm . .. 

 fyATomiiofVegetmy W nrod]jdm? ZooaomM ^ 6 ^A?fS^ 



producing Zoogorudci 



Zooaoniduz 



Fig 7 Fortiori ofFHammt producing Zoospores 



2 Zoospores Female. 

 Zygospore 



2. Zoospores rotating 



together 

 j£v Rounded balls with xoospons 



Engraved, Printed and Published "by W. & AX Johnston, Edmbtrrgh. 2c London. 



