GREAT LAKES COREGONIDS 



575 



Table 20. — Records of the occurrence of Leucichthys alpense 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 speci- 

 mens examined] 



Port from which nets 

 were set 



Rec- 

 ord 

 No. 



Date 



Location 



Gill- 

 net 

 mesh, 



in 

 inches 



Depth, 

 in 

 fath- 

 oms 



Bottom 



Weight 

 of lift, 



in 

 pounds 



Per- 

 cent- 

 age 

 of 

 alpense 



+200 

 mm. 



Washington Harbor, 

 Wis. 



Sturgeon Bay, Wis... 



Algoma, Wis 



Sheboygan, Wis 



Port Washington, Wis. 



D. H. Smith » 



Milwaukee, Wis 



Michigan City, Ind.. 



Grand Haven, Mich.. 

 Frankfort, Mich 



Platte Bay, Mich, 

 (field station). 



South Manitou Island, 



Mich. 

 Northport, Mich 



Hans Anderson.. 

 Peter Anderson.. 

 Walter Wilson... 

 Traverse City, Mich. 



Will Hopkins 



Beaver Island, Mich. 



James Martin. 

 Charlevoix, Mich 



John Nordrum... 

 Chas. Hendrick- 

 son, sr. 

 Manistique, Mich 



24 



Aug. 18,1920 



Aug. 19,1920 



Aug. 23, 1920 



Aug. 24,1920 

 Oct. 1, 1920 

 Sept. 25, 1920 



do 



1892-1894 



Sept. 23, 1920 

 Nov. 15, 1920 

 Sept. 3,1920 



Oct. 11,1920 



Nov. 8,1920 

 Nov. 19, 1920 

 do 



....do 



Mar. 2,1921 

 Mar. 4, 1921 



Mar. 20, 1919 

 Oct. 4, 1920 



July 21,1923 



July 23,1923 

 July 30,1923 



June 22,1920 



June 23,1920 

 July 31,1923 



Nov., 1923 



July 18,1923 

 July 25,1923 

 Nov., 1923 

 do 



June 29,1920 

 June 15,1923 

 Aug. 10,1923 



Aug. 11,1923 

 Aug. 21,1923 



Nov., 1923 



Aug. 11,1920 

 Aug. 12,1920 



4 miles west of Boyer 

 Bluff. 



20 miles E. }4 N. of 



Rock Island. 

 12 miles E. by S. of 



channel mouth. 



10 miles E. by N 



11 miles southeast 



18 miles E. y 2 S 



5 miles E..HS 



Sheboygan Reef, about 



halfway between 

 Port Washington 

 and Muskegon. 



27 miles ESE 



20 miles ESE 



22 miles NW. by N. 

 Vi N. 



20 miles N. by W. »A 

 W. 



18 miles NNW 



17 miles NNW 



ny 2 miles NW. by N. 

 34 N. 



10 miles NNW 



21 miles NNW 



15 miles NW. by N. 



3^N. 



12 miles west.. 



9 miles north of Point 



Betsie. 



1}4 miles south of Ot- 

 ter Creek. 



— _do 



Off the lighthouse 



5 miles northwest of 



Cathead Light. 

 Off Northport Point— 

 5 miles northwest of 

 Cathead Light. 



Grand Traverse Bay. . 



West Bay 



Off Lees Point 



Grand Traverse Bay . . 

 Sandy Bay 



5 miles N. by E. ...... 



Off He Aux Galets 



8 miles NNW. of Big 



Rock Point. 

 3 miles NW.'M W 



/Grand and Little Tra- 

 \ verse Bays. 



13 miles SE. }4 E 



15 miles SE. by S. J^S. 



2%,2% 

 2\ 



•m. 



2M 



VA 

 2H 

 2A 



2A 



2\ 



2YZ 



2H 

 2% 



m 

 m 



2% 

 2% 



2% 



m 



V/2 



2% 

 2H 



2% 



25-_ 

 2% 



2% 

 2H 



2% 



VA 

 2*A 



18-24 

 71-90 

 60-70 



35-50 

 60 



65-48 

 30 



Clay, mud.. 

 Mud 



Gravel, mud. 



Clay 



do 



900 



50 



310 

 200 

 285 



(') 



(') 



(') 



(') 

 ( ! ) 

 0) 

 (') 



60 

 28-35 

 30-40 



30-40 



30-38 

 28-32 

 32 



18 

 30 

 28 



50-55 

 60-70 



8-12 



15-25 

 5 



40-60 



28-40 

 40-60 



10-25 



30-40 

 6-16 

 10-25 

 10-25 



40-55 

 25-47 

 45-50 



35-60 



Red clay... 

 Ciay--I- 

 Clay, mud. 



Clay... 



do. 



do. 



250 

 700 



(') 

 (') 



535 



1,000 

 700 



Clay. 



1,000 



Clay 



Blue clay. 



Sand... 

 do. 



1,400 



(') 

 (') 

 (') 



( 2 ) 



22 



Mud 



do 



200 

 "io6' 



(') 



45 



Mud, stone. 

 Clay 



Mud, clay.. 

 Mud, stone. 



Clay, mud.. 



(') 



10-25 



20 

 60-70 



Clay 



Red clay 



Mud, stone 



477 



375 

 100 



90 



Sand, mud. 



200 



60 



1 Rare. 



1 Lift not examined or percentage not ascertained. 



» Where fishermen's names or other sources appear opposite the record number the data entered in the table were obtained from 

 these sources. 



* Only specimens taken in lift. 



* Pound. 



* Occasional. 



