440 



Birge — The Crustacea of the Plankton. 



Table D. — Continued. 











Per cent, in each 3 m. level. 





Av. 



Max. 



Min. 



































0-3. 



3-6. 



6-9. 



9-12. 



12-15. 



15-18. 



1895. 





















Jan. 1-15 . . 

 Jan. 16-31 .. 



17.5 

 15.9 



28.9 

 22.9 



8.0 

 13.3 



$28.2 



23.1 



20.2 



17.4 



5.5 



5.5 



Feb. 1-14 ) 

 Feb. 15-28 J 



28.0 



47.7 



16.5 



22.6 



23.1 



21.3 



12.0 



10.5 



10.5 



Mch. 1-15 . . 



28.3 

 34.7 



55.6 

 70.5 



23.8 

 27.1 















Men. 16-31 . . 



22.7 



25.6 



20.0 



14.7 



9.3 



7.7 



Apl. 1-15 . . 



14.0 



23.5 



10.8 



28.1 



19.0 



13.5 



13.5 



12.9 



12.9 



Apl. 16-30 .. 



20.6 



52.7 



0.2 



32.7 



32.1 



13.3 



9.6 



5.5 



6.8 



May 1-15 . . 



34.4 



45.1 



17.2 



58.2 



22.6 



12.0 



3.3 



2.0 



1.9 



May 16-31 . . 



207.9 



284.2 



49.6 



61.5 



21.7 



11.3 



3.6 



1.1 



0.8 



June 1-15 . . 



285.0 



459.8 



178.1 



57.3 



24.1 



9.6 



3.3 



2.6 



3.1 



June 16-30 . . 



190.6 



396.9 



95.4 



51.1 



24.9 



14.9 



5.7 



1.3 



2.1 



July 1-15 . . 



187.4 



397.5 



105.5 



41.4 



30.1 



22 6 



4.8 



0.8 



0.3 



July 16-31 . . 



217.8 



366.3 



127.8 



31.1 



24.9 



36.5 



6.7 



0.5 



0.3 



Aug. 1-15 . . 



110.5 



169.8 



61.7 



47.2 



29.9 



13.8 



8.3 



0.5 



0.2 



Aug. 16-31 . . 



101.3 



264.5 



45.2 



45.3 



27.7 



19.2 



7.1 



0.5 



0.2 



Sept. 1-15 . . 



224.6 



311.6 



69.3 



40.4 



36.4 



18.4 



3.8 



0.8 



0.3 



Sept. 16-30 . . 



331.5 



586.3 



152.0 



40.3 



26.1 



15.8 



10.1 



5.4 



2.3 



Oct. 1-15 . . 



148.4 



323.1 



101.7 



27.4 



15 4 



15.6 



13.4 



17.2 



11.8 



Oct. 16-31 .. 



79.7 



115.1 



42.6 



22.1 



17.7 



14.8 



17.1 



14.5 



13.6 



Nov . 1-15 . . 



55.8 



71.8 



42.6 



13.2 



14.7 



19.3 



20.5 



20.1 



12.1 



Nov. 16-30 . . 



46.0 



54.1 



43.8 



12.8 



19.8 



16.6 



17.9 



17.5 



15.3 



Dec. 1-15 . . 



33.6 



47.1 



22.8 



13.1 



20.0 



23.3 



20.8 



13.1 



9.5 



Dec. 16-31 . . 



58.0 



67.4 



22.8 



25.2 



21.4 



13.7 



20.8 



12.1 



6.8 



1806. 





















Jan. 1-15 . . 



48.6 



62.9 



40.0 



26.2 



24.0 



21.9 



9.9 



9.3 



8.7 



Jan. 16-31 . . 



23.3 



34.3 



22.8 



25.4 



16.2 



20.7 



20.7 



14.0 



3.0 



Feb. 1-14 . . 



38.9 



57.5 



27.3 



28.0 



24.4 



11.9 



14.0 



14.6 



7.0 



Feb . 15-29 . . 



34.9 







33.0 

 24.1 

 19 



16.3 

 16.0 

 14.6 



16.4 

 20.0 

 23.4 



14.4 

 18.3 

 30.7 



10.8 



11.7 



6.0 



9.1 



Mch. 1-15 







10.0 



Mch. 16-30 . . 



33.3 



38.8 



26.7 



6.3 



Apl . 1-15 . . 



35.2 



43.4 



21.6 



26.2 



24.0 



21.9 



9.9 



9.3 



8.7 



Apl. 16-30 . . 



29.9 



66.7 



9.5 



16.3 



28.3 



19.6 



19.6 



10.9 



5.3 



May 1-15 . . 



102.3 



388.5 



38.2 



48.2 



31.3 



17.7 



1.8 



0.9 



0.1 



May 16-31 . . 



360.2 



645.5 



227.6 



38.2 



22.4 



18.5 



10.6 



6.1 



4.0 



June 1-15 . . 



343.5 



740.9 



152.6 



67.9 



23.7 



5.6 



1.8 



0.4 



0.6 



June 16-30 . . 



386.2 



725.6 



103.0 



69.9 



22.9 



5.0 



1.6 



0.2 



0.3 



July 1-15 . . 



202.9 



319.2 



178.7 



49.0 



28.0 



16.0 



5.4 



1.3 



0.3 



July 16-31 . . 



152.1 



222.6 



93.4 



62.6 



23.2 



9.6 



4.0 



0.3 



0.1 



Aug. 1-15 . . 



91.9 

 167.0 

 125.9 

 163.4 



52.8 

 48.8 

 29.8 

 28.5 

 29.3 

 24.7 







65.0 

 31.8 

 37.2 

 30.1 

 25.2 

 39.0 

 28.9 

 15.6 

 19.3 

 23.1 



24.8 

 37.4 

 28.2 

 22.8 

 19.8 

 20 6 

 18.5 

 18.7 

 30.0 

 27.0 



8.8 

 13.6 

 21.6 

 13.0 

 12.6 

 15.6 

 23.6 

 6.3 

 3.9 

 20.7 



1.0 

 15.7 

 7.5 

 9.3 

 10.8 

 14.4 

 11.5 

 21.9 

 19.2 

 11.6 



0.2 



1.2 



3.1 



11.2 



22.6 



7.8 



17.5 



15.6 



14.5 



9.2 



0.0 



Aug. 16-31 . . 

 Sept. 1-15 . . 

 Sept. 16-30 .. 

 Oct. 1-15 . . 







0.0 







2.3 







13 5 







9.0 



Oct. 16-31 . . 







2.6 



Nov. 1-15 . . 







0.0 



Nov. 16-30 . . 







21.9 



Dec. 1-15 . . 







13.1 



Dec. 16-31 .. 







8.4 











