APPENDIX. 



83 



Table XV. — Numbers of Dlaphanosoma brachyurum per square 

 meter in Lake Winnebago. 



Date. 



No. 



Date. 



No. 



Date. 



No. 



1899 





1899 





1900 





July 5-11.. 



14,280 



Sept. 16.... 



1,428 



Oct. 6.... 



7,616 



July 12-18.. 



28,322 



1900 





1901 





July 19-25.. 



194,208 



May 11.... 



238 



May 11.... 



476 



July 26- 





May 24.... 



4,760 



July 12.... 



9,520 



Aug. 1 



116,620 



June 9 



238 



July 27.... 



12,376 



Aug. 2- 8. 



32,368 



June 25 



952 



Aug. 24.... 



22, 848 



Aug. [9-15. 



30, 464 



July 9.... 



1,428 



Sept. 13.... 



952 



Aug. 16-22. 



19,992 



July 28.... 



12, 852 



Sept. 28.... 



2, 142 



Aug. 23-29. 



5,712 



Aug. 22 



39, 984 



Oct. 12.... 



714 



Aug. 30- 





Sept. 8.... 



17,850 



Nov. 2.... 



3,808 



Sept. 5 



11,424 



Sept. 22.... 



4,284 







Table XVT. — Numbers of Daphnia hyalina per square meter in 

 Lake Winnebago. 



Date. 



No. 



Date. 



No. 



Date. 



No. 



1899 





1900 





1900 





July 5-11. 



16,660 



Jan. 1 



238 



Nov. 21.... 



4,284 



July 12-18 



30, 464 



Jan. 27.... 



2,142 



Dec. 5.... 



476 



July 19-25. 



38,060 



Apr. 28.... 



952 



1901 





July 26- 





May 11.... 



18,088 



May 11.... 



476 



Aug. 1 



105, 196 



May 24.... 



100, 198 



June 8.. 



22,848 



Aug. 2- 8. 



12,376 



June 9 



13,328 



June 25 . . . 



5,712 



Aug. 9-15. 



42, 840 



June 25 



14,280 



July 12.,.. 



17,136 



Aug. 16-22. 



44,268 



July 9.... 



952 



July 27.... 



8,568 



Aug. 23-29. 



40,936 



July 28.... 



6,664 



Aug. 24.... 



10,472 



Aug. 30- 





Aug. 22.... 



43, 792 



Sept. 12.... 



2,856 



Sept. 5 



40, 936 



Sept. 8.... 



51,616 



Sept. 28.... 



4,998 



Sept. 16.... 



14,756 



Sept. 22 ... 



16, 184 



Oct. 12.... 



1,904 



Oct. 7.... 



476 



Oct. 6.... 



3,808 



Nov. 2 . . . . 



14,518 



Oct. 21.... 



5,712 



Oct. 20.... 



5,236 



Nov. 16.... 



4,284 



Nov. 4 



7,140 



Nov. 6 . . . . 



36, 176 







Nov. 25.... 



4,284 











