Appendix — Statistical Tables. 



439 



Table C— Continued. 



May 16-31.. 

 June 1-15 . . 

 June 16-30.. 

 July 1-15.. 

 July 16-31.. 

 Aug. 1-15.. 

 Aug. 16-31.. 

 Sept. 1-15.. 

 Sept. 16-30 . 

 Oct. 1-15.. 

 Oct. 16-31.. 

 Nov. 1-15.. 

 Nov. 16-30.. 

 Dec. 1-15.. 

 Dec. 16-31.. 



Av. No. 





0-3. 



1,901.3 



27.9 



844.8 



53.0 



1,265.0 



54 7 



1,314.2 



48.9 



776.5 



48.4 



960.4 



54.2 



1,073.3 



33.4 



1,440.9 



31.3 



1,112.3 



28.6 



1,368.4 



23.0 



1,314.8 



43.9 



684.8 



24.6 



537.7 



29.5 



365.8 



18.0 



285.0 



15.4 



Per cent, in each 3 m. level. 



0-6. 



16.7 

 19.4 

 23.1 

 28.7 

 29.2 

 27.4 

 33.1 

 23.3 

 16.2 

 18.4 

 15.2 

 20.7 

 16.8 

 25.7 

 29.0 



-9. 



9-12. 



16.5 



13.3 



8.5 



6.7 



9.5 



5.3 



12.1 



5 3 



18.1 



3.7 



14.2 



3.7 



17.5 



13.9 



17.7 



14.7 



13.4 



13.9 



17 8 



14.0 



11.7 



9.6 



13.5 



16.1 



14.0 



15.8 



11.0 



16.6 



23.1 



10.8 



12-15. 



11.4 



3.6 



4.1 



4.4 



0.3 



0.4 



1.8 



9.8 



15.3 



13.4 



9.7 



12.7 



12.8 



14.9 



10.8 



15-18. 



14.1 

 8.6 

 3.2 

 0.6 

 0.12 

 0.0 

 0.1 

 3.0 



12.4 

 13.1 

 9.9 

 12.4 

 11.1 

 15.8 

 11.0 



TableD. — Diaptomus. Average, maximum, and minimum numbers. 

 Percentile vertical distribution. 













Per cent, in each 3 m. level. 







Av. 



Max. 



Min. 



































0-3. 



3-6. 



6-9. 



9-12. 



12-16. 



15-18. 



1894. 





















July 



1-15 . . 



242.2 



290.6 



178.0 



48.9 



31.6 



15.6 



3.1 



0.4 



0.4 



July 



16-31 . . 



298.9 



553.3 



155.8 



53.6 



31.2 



13.0 



2.1 



0.07 



0.06 



Aug. 



1-15 . . 



218.7 



394.3 



126.5 



45.5 



26.8 



20.9 



6.5 



0.2 



0.1 



Aug. 



16-31 . . 



87.4 



117.9 



43.8 



49.7 



27.6 



17.4 



5.0 



0.2 



0.1 



Sept. 

 Sept. 



1 15 .. 





















16-30 . . 



54.6 



84.5 



10.8 



58. i 



20.4 



i2.2 



8.0 



1.0 



0.3 



Oct. 



1-15 .. 



67.2 



92.8 



38.9 



38.5 



23.2 



13.1 



11.4 



10.1 



3.4 



Oct. 



16-30 . . 



38.3 



72.0 



3.6 



25.4 



20.3 



17.2 



14.7 



15.9 



6.3 



Nov. 



1-15 . . 



44.0 



95.4 



26.0 



28.6 



17.6 



16.1 



16.9 



13.0 



7.8 



Nov. 



16 30 . 





















Dec. 

 Dec. 



1-15 . . 

 16-31 . . 



23.9 

 16.7 



43.2 



16.5 



|28.2 



15.2 



12.5 



13.0 



16.2 



14.9 



