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. 



1,901.3 



844.8 



1,265.0 



1,314.2 



776 



960 



1,073 



1,440 



1,112.3 



1,368.4 



1,314.8 



684.8 



537.7 



365.8 



285.0. 



Per cent, in each 3 m. level. 



0-3. 



27.9 

 53.0 

 54 7 

 48.9 



48.4 

 54.2 

 33.4 

 31.3 

 28.6 

 23.0 

 43.9 

 24.6 

 29.5 

 18.0 

 15.4 



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 



6-9. 



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 



f 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. 





Av. 



Max. 



Min. 



Per cent, in each 3 m. level. 





0-3. 



3-6. 



6-9. 



9-12. 



12-16. 



15-18. 



1894. 



July 1-15 . . 

 July 16-31 . . 

 Aug. 1-15 . . 

 Aug. 16-31 . . 

 Sept. 1-15 .. 



242.2 



298.9 



218.7 



87.4 



290.6 

 553.3 

 394.3 

 117.9 



178.0 

 155.8 

 126.5 



43.8 



48.9 

 53.6 

 45.5 

 49.7 



31.6 

 31.2 



26.8 

 27.6 



15.6 

 13.0 

 20.9 

 17.4 



3.1 

 2.1 

 6.5 

 5.0 



0.4 



0.07 



0.2 



0.2 



0.4 

 0.06 

 0.1 

 0.1 



Sept. 16-30 . . 

 Oct. 1-15.. 

 Oct. 16-30 .. 

 Nov. 1-15 .. 

 Nov. 16-30 .. 



54.6 

 67.2 

 38.3 



44.0 



84.5 

 92.8 

 72.0 

 95.4 



10.8 



38.9 



3.6 



26.0 



58.1 

 38.5 

 25.4 

 28.6 



20.4 

 23.2 

 20.3 

 17.6 



12.2 

 13.1 

 17.2 

 16.1 



8.0 

 11.4 

 14.7 

 16.9 



1.0 

 10.1 

 15.9 

 13.0 



0.3 

 3.4 

 6.3 



7.8 



Dec. 1-15.. 

 Dec. 16-31 .. 



23.9 

 16.7 



43.2 



16.5 



J28.2 



15.2 



12.5 



13.0 



16.2 



14.9 



