BIOIOG.CAL BULIETIN, VOL. XXIV 



30 



25 



20 



IS 



10 





3) 23 4 s 6 7 8 O 10 II 12 13 14 15 16(117 18 19 20 21 22 • 24 25 26 27 28 29 30 31 

 Aug. 31 Sept. 3 6 9 12 15 18 21 24 27 30 



CURVE e 



30 



25 



20 



15 



10 



.^^ — , \ I . , — , / I , . , I / , — . . 1 / . . I , — , I , 



1) 23 4 5 6 7 O 9 10 II 12 13 14 IS C 17 18 19 20 21 22 23 • 25 26 27 28 29 30 31 

 May 23 26 29 June i 47 10 13 16 19 22 



June 21 24 26 



LILLIE AND JUST 



