228 



GILBERT MORGAN SMITH 



TABLE III 



Value of different preservatives with various algae. The arrangement of the genera 

 is that of Willc (10) 





PBESBRVATIVE^ 



PLAB- 

 MOLT8IS 



COLOR 



• 



CONJUGATAE 











Zygnemataceae 











Spirogyra Link 



16 % CLP 





green 





Zygnema (Ag.) de By. 



10 % CLP 





bright green 





IVXesOCARPACE AE 











Alougeotia (Ag.) Wittr. 



10 % CLP 



XV y (j V-/ 1 JX 





y CI lu *v f^i ecu 





CHLOROPHYCEAE 











J. IWJ I.\J\-i\J\j\j .^iJ CjHJ 











Tetrasporaceae 











TGlvdspoYci Link 



10 % CLP 





green 





DictyosphdcviuTti Naeg. 



10 % CLP 



-1 



1 



green 





R OTR YOfOr'P ACT? A F 











BoiTyococcus Ivzg. 











{lueffi-giaid West) . 



10 % CLP 





reddish 



Color naitur^l but 











UCliO VCIJ' 











opaQue. Brown 













PROTOCOCCACEAE 











ChciTdcixttit A. Br 



10 % CLP 



-\ 



1 



green 





OoCYSTACE AE 











dilovclld' Beyer 



10 % CLP 





green 





T'plTnfTtPf'iift Wp.sjf. 



10 % CLP 



-1 



green 







10 % CLP 





green 





T-rvHRnniPTv a pit a i? 











PcdidstTiiTii jV'Ieyen . 



10 % CLP 





^1 ecu 





Hydvodiciyon Roth... 



10 % CLP 



-1 



pale yellow 





CoELASTRACE AE 







green 





i-jcc 1 vt-uC'i If I U/o lyitry Kjii . . . 



10 % CI,P 



-1- _ 

 1 



green 







10 % CLP 



X\/ V^XJX 



-1 







Crucigenia Morren .... 



10 % CLP 





green 





Coelastrum Naeg 



10 % CLP 



+ - 



green 





Sorastrum Kzg 



10 % CLP 



+ - 



green 





Selenastrum Reinsch. 



10% CLP 





green 





Ankistrodesmus Corda 



10% CLP 





green 





CHAETOPHORALES 











Ulotrichaceae 











Ulothrix Kzg 



10 % CLP 



+ + ! 



green 



Badly plasmo- 





i 







lyzed 



Micros pora Thur 



10 % CLP 1 



+ + 



green 





Trihonema Derb. &. 











Sol 



10 % CLP 



+ - 



yellow green 



Chromatophores 











slightly shrunk- 



Bumilleria Borzi 



10% CLP 



1 



+ + 



brown 



en. 



