Appendix — Statistical Tables. 



447 



Table I. — Diaphanosoma . Average, maximum, and minimum num- 

 bers. Percentile vertical distribution. 











Per cent, in each 3 m 



. LEVEL. 





Av. 



Max. 



Min, 





































0-3. 



3-6. 



6-9. 



9-12. 



12-15. 



15-18. 



1894. 





















Sept. 16-30.. 



19.6 



68.4 



6.9 



50.0 



29.4 



8.1 



7.9 



4.6 



0.0 



Oct. 1-15.... 



5.2 



7.8 



0.7 



34.1 



24.4 



20.7 



4.9 



11.0 



4.9 



Oct. 16-31... 



3.0 



5.4 



0.0 



0.0 



25.0 



43.8 



0.0 



25.0 



6.2 



1895. 





















Aug. 1-15 . . . 



31.5 



47.0 



25.1 



52.9 



29.6 



13.5 



3.8 



0.2 



0.0 



Aug. 16-31.. 



32.2 



56.1 



17.8 



39.3 



28.4 



24.6 



6.8 



0.6 



0.3 



Sept. 1-15... 



27.1 



63.6 



15.2 



36.6 



35.7 



19.7 



6.0 



1.7 



0.2 



Sept. 16-30.. 



17.2 



37.3 



2.9 



41.7 



19.5 



14.0 



17.7 



7.1 



0.0 



Oct. 1-16.... 



3.4 



10.8 



1.2 



11.3 



0.0 



34.0 



32.1 



22.6 



0.0 



1896. 





















Aug. 1-16... 

 Aug. 16-31.. 

 Sept. 1-15... 



8.9 

 147.2 

 108.3 







73.5 

 45.1 

 30.7 



24.1 



28.3 

 24.0 



1.8 

 19.3 

 21.0 



0.6 



6.1 



12.4 



0.0 



1.0 



10.7 



0.0 







0.1 







0.1 



Sept. 16-30.. 

 Oct. 1-15 



32.9 

 0.4 







31.2 



20.2 



11.5 



13.3 



11.5 



12.3 



























