Lake Maxinkuckee, Physical and Biological Survey 259 



Series of correlated haids: — In addition to the above tabulated 

 hauls, the records of which were selected out of a large list and so 

 arranged as to show as far as possible gradually increasing depths, 

 the following table is given of certain sets of hauls made in series, 

 beginning in deeper water and gradually working toward shal- 

 lower places. On account of irregularities of the lake bottom there 

 are, of course, certain numbers in the series which appear out of 

 place. 



SERIES I 



The hauls of Series I were made by using drag-hooks between 

 bars on a line 40 rods north of the center of Section 22, August 

 22, 1900. 



SERIES II 



A second series of dredge-hauls, made on the same date and in 

 the same general locality, is represented by the following table : 



