364 



FISH FOR EXPERIMENTATION 



IVIvC, 



reftTiLizEO 



45MIN. 



1 HOUR iSIOt) 



1 HOUR CTOP) ^^' "°"«* ^">^> 



l/i HOURS aop> 



'6 Cll, 



a;v Houfts c»«»«j tH HOURS CTopj 2/^ Houas (SiDt) 2 >i HOURS (Top; 4 hours 6 hours 



7 HOURS 8 HOURS 



11 >i HOURS CSlDt> ll^fe HOURS CTOP> 



1+ HOURS 



17 HOURS 



19 HOURS 



25 HOURS 



£6 HOURS 



28 HOURS CSIOO 28!4 HOUPS l50nOM) 28>i HOURS <tOI>) 29 HOURS 



,51 HOURS 



37 HOURS 



+5 HOURS 



80 HOURS 



HtflRT 



Hi HOURS 



3IZ HOUto 



ORYZIAS LATIPES 



JAPANESE MEDAKA 



Drawings by L. Roth 



