GREAT LAKES COREGONIDS 



583 



Table 28. — Records of the occurrence of Leucichthys zenithicus in Lake Michigan 



[For each record is given, if known, the date and locality, the kind of gear used to make it, the depth of the water and character of 

 the bottom where made, the weight of the lift and the abundance of this species In it, and the total number of preserved 

 specimens examined] 



Port from which nets 

 were set 



Rec- 

 ord 

 No. 



Date 



Location 



Gill- 

 net 



mesh, 

 in 



inches 



Depth 

 in 



fathoms 



Bottom 



Weight 



of 

 lift, 



in 

 pounds 



Per- 

 centage 



of 

 zenith- 

 icus 



Preserved 

 specimens 

 examined 



+200 

 mm 



-200 

 mm 



Washington Harbor, 

 Wis. 



Sturgeon Bay, Wis.. 



Algoma, Wis 



Sheboygan, Wis. 



Port Washington, Wis 

 Milwaukee, Wis 



Michigan City, Ind... 



Grand Haven, Mich. 

 Frankfort, Mich 



Northport, Mich 



Charlevoix, Mich.. 

 Manistique, Mich. 



Lake Michigan * 



Milwaukee, Wis. 1 



Kenosha, Wis. 5 



Sturgeon Bay, Wis. 8 . 



Aug. 19,1920 



Aug. 23,1920 



Aug. 24,1920 

 Sept. 28, 1920 

 Oct. 1, 1920 

 Sept. 25, 1920 



do 



May 2G, 1921 

 Mar. 24, 1919 

 Sept. 23, 1920 

 Sept. 24, 1920 

 Nov. 15, 1920 



—.do 



Sept. 3,1920 



Oct. 11,1920 



Nov. 8,1920 

 Nov. 19, 1920 



....do 



....do 



20 miles E. V 2 N. of 



Rock Island. 

 12 miles E. by S. of 



ship-channel mouth. 



10 miles E. by N 



5 miles SE. by E 



11 miles southeast 



18 miles E. y 2 S 



5 miles E. y 2 S.._ 



8 miles northeast 



Mar. 

 Mar. 



2, 1921 

 4, 1921 



Apr. 1, 1921 

 Mar. 20, 1919 

 Oct. 4, 1920 



July 31,1923 



June 29,1920 

 Aug. 12,1920 



27 miles ESE 



9 miles NNE 



20 miles ESE 



5 miles E. by S. y 2 S.. 

 22 miles NW. by N. 



20 miles N. by W. % 

 W. 



18 miles NNW 



17 miles NNW 



10 miles NNW 



Y1V 2 miles NW. by N. 



J£N. 



21 miles NNW 



15 miles NW. by N. 



J^N. 



12 miles west 



9 miles north of Point 



Betsie. 

 5 miles northwest of 



Cathead Light. 



5 miles N. by E 



15 miles SE. by S. 



14 S. 



2V 2 , 2% 

 2Vi 



n 



n 

 iy 2 



IV 



2Y 2 

 2V 2 

 2Yi 

 2V 2 



V/2 



VA 



2V 2 

 2V 2 

 2V 2 

 2A 



2H 

 2Y 2 



2 l A 

 2% 



2H 



2H 

 2% 



71-90 



60-70 



35-50 

 30-32 



60 

 65-48 



30 

 20-35 



50 



60 

 22-25 

 28-35 



12 

 30-40 



30-40 



30-38 

 28-32 

 18 

 32 



30 

 28 



30 

 50-55 

 60-70 



40-60 



40-50 

 60-70 



Clay, mud.. 



Mud 



Gravel, mud 



900 

 50 

 310 



Clay... 

 ... .do_ 



200 

 285 



Mud. 



Red clay. 

 Clay 



250 



"too' 



Clay 



Mud, clay. 



Clay... 

 ....do. 



535 



1,000 

 700 



Clay 



....do 



Clay 



....do 



Blue clay. . . 



Mud 



Clay, mud. 



1, 000 

 1,000 



500 



'1,166' 



200 



(') 



0) 



20 



( J ) 

 ( 3 ) 

 (') 



W 

 ( 3 ) 

 « 



3 



( s ) 

 9 



( 8 ) 



35 



(') 

 (') 



( 3 ) 

 ( 3 ) 



0) 



40 



' Rare. 



J Occasional. 



• Lift not examined or percentage not ascertained. 

 4 Field Museum collection, borrowed specimens. 



* TJ. S. National Museum collection, borrowed specimens. 



' Wisconsin Geological Survey collection, borrowed specimens. 



94995—29- 



-19 



