Experiiacjit 6. 



about 3,,000 young 



2„0'i3 -ith stage 

 31 3d " 



Apparatus llo-. 2 



This vms an exr.ct copy of IIo, 1 as to '.liirionsinns and circulation 

 of \7c±er f but here a b .ttom net of netr.1 vras uscdo The first expcri- 

 nent suffered much li-om the mentioned fault in the water smply. 



Experiment 2. 



July 22 to 27: In 



High- death rate 



No younf; in 4th stage 



ExperiLient 5» 



Augc -i to 6: In 



Hifi,h death rate 

 Aug. 22 to 26 Released 



6,000 young 



6,000 yoving 

 197 ith stage 



■ Apparatus i>!o» 3 



The circulation of water vms so-uewhat changed, so also the 

 dimensions of the boxes o 



15,450 young 

 5,268 in 4th stage 



Experiment 3» 



July 28 to iiug. 1: In 



AuKe 13 to 20: Released 



Augo 20: The rest transferred: 



755 brood to apparatus Ic to Id 



of '.vhich released a.ug. 20 



to 31 492 in 4th stage 



and 13 in 3d " 



Experiment 7. 



about 12,000 young 



4,757 in 4th stage 

 200 in 3d " 



Experiment 8 

 Aug* 20: Transferred from opparatus 4, about SgOOO young 

 Augo 21 to 29: In 2,35p_J 



10V350 

 Aug* 29 to 51: Released 450 in 4th stage 



Aug. 31: 4,000 3ds or 2ds 



'00 



