Chart IX.— Showing the effect upon the rate of molting of introducing the process of regeneratii 



1 at different times in the molting period, in fourth stage lobsters. 



1 Series C. to C,.. 



17 18 19 20 21 



23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 



42 Cat. No. of normal 1 



1^ Regenerating average. 



