GREAT LAKES COREGONIDS 



577 



Table 22. — Records of the occurrence of Leucichthys alpenx in Lake Huron 



I 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 



Lake Huron proper: 

 Cheboygan, 

 Mich. 



Rogers, Mich 



Emil Schme- 

 kel. 



Alpena, Mich 



Rec- 

 ord 

 No 



Date 



July 21, 1917 



Sept. 29, 1917.... 



Oct. 15, 1919 



July 24, 1917 



Sept. 17-30, 1917. 



Oct. 14, 1917 



Aug. 13, 1917.... 

 Sept. 7, 1917 



do.. 



Sept. 8, 1917 



Sept. 10, 1917-.. 



do- 



Sept. 12, 1917 



Sept. 14, 1917—. 



do 



Sept. 17, 1917. 

 Sept. 18, 1917- 



Sept. 19, 1917- 



do 



Sept. 20, 1917.. 

 Sept. 21, 1917- 



do- 



Sept. 22, 1917- 



Sept. 24, 1917.. 



Sept. 26, 1917.. 

 do___. 



Oct. 17, 1917.. 



Oct. 20, 1917.. 

 Aug. 30, 1919. 



Sept. 3, 1919- 

 Sept. 16, 1919- 

 Sept. 18, 1919- 

 Aug. 7, 1920.. 

 June 28, 1923. 

 June 30, 1923. 



July 2, 1923... 

 July 5, 1923... 

 July 7, 1923... 

 July 10, 1923- 



Location 



5 miles north of Specta- 

 cle Reef. 



2 miles northeast of 

 Spectacle Reef. 



12 miles E. by N. y 2 N_. 

 38 miles east of can buoy- 

 Center of lake, east of 



can buoy. 

 26 miles SE. by E. M E. 



of can buoy. 

 22 miles SE. by E. y 2 E. 



of can buoy. 

 8 miles E. by N. of can 



buoy. 



Center of lake, north- 

 east of can buoy. 

 Center of lake, east of 



can buoy. 

 24 miles SE. by E. V 2 E. 



of can buoy. 

 Center of lake, north- 

 east of can buoy, 

 do. 



17!^ miles N. by E. of 

 Thunder Bay Island. 



23milesSE.byE.KE. 

 of can buoy. 



Center of lake, north- 

 east of can buoy. 



14 miles NE. by E. of 

 Thunder Bay Island. 



Center of lake, east of 



can buoy. 

 17 miles NE. by N. S A N. 



of Thunder Bay 



Island. 



15 miles SE. by S. y 2 S. 

 of can buoy. 



Center of lake, east of 

 can buoy, 

 .do. 



13 miles SE. by S. of can 

 buoy. 



Center of lake, east of 

 can buoy, 

 .do. 



18 miles N. by E. y 2 E. 

 of Thunder Bay 

 Island. 



28 miles E. ]4. S. of can 

 buoy. 



40 miles ESE. of can 

 buoy. 



14 miles N. by E. of 

 Thunder Bay Island. 



19 miles NE. y 2 N. of 

 Thunder Bay Island. 



19 miles northeast of 

 Thunder Bay Island. 



17 miles NE. by N. 54 N. 

 of Thunder Bay 

 Island. 



20 miles E. by N. of can 

 buoy. 



18 miles NE. % E. of 

 Thunder Bay Island. 



13 miles NE. y 2 N. of 

 Thunder Bay Island. 



3 miles E. y 2 S. of North 

 Point. 



Gill-net 

 mesh, 



inches 



Depth, 

 in 



fathoms 



2M 

 2% 



m 



2% 



2% 

 2% 



iy 2 

 iy 2 



2% 

 2% 

 4H 



2M 



m 



2% 

 2'A 

 2*A 

 2H 

 2M 

 2*A 



i l A 



2M 



2% 

 2% 



2K 



2% 

 2% 



2>A 



i*A 



2X 

 2M 

 2H 

 2>A 



2'A 

 2'A 

 2>A 



VA 



35-50 



35-50 



35 

 60-70 

 12-15 

 35-50 

 70-80 

 70-80 



16-20 

 30 

 20 



60-70 



65-80 

 24 



65-80 



60-70 

 60 



30 

 65-80 



65 

 65-70 

 65-75 



17 



65-80 



65-80 

 17 



65-80 



65-80 

 60-64 



60-64 

 20-30 

 65 

 60-65 

 60-70 

 65-70 



60-70 

 80-100 



Bottom 



Clay.. 

 ...do. 



Clay.. 

 Rock. 

 Clay.. 

 ...do... 

 ...do- 



Clay. 

 ...do- 



Clay.. 



...do- 

 ...do-. 



Rock- 

 Clay.. 

 ...do... 

 ...do-. 

 ..do- 



Clay. 

 ...do- 



Clay. 



...do- 

 ._do._ 



_do_ 



Clay. 



Clay. 



-do— ... 



...do 



-do 



Rock, 

 mud. 



Weight 

 of lift, 



in 

 pounds 



1,850 



1,500 

 1,470 

 3, 250 



1,300 

 2,610 



1,200 



"""825 



3, 500 

 2, 100 

 1, 600 



2, 000 

 6, 000 

 1,400 



Per- 

 cent- 



(0 

 (') 



(') 



(') 

 (') 

 (') 

 ( 5 ) 

 (') 



(■) 



( 3 ) 



(') 



( 3 ) 

 ( 3 ) 

 (') 

 ( 3 ) 



( 5 ) 



(') 



(') 

 (') 



(') 



(') 



20 



20 

 (') 

 ( 3 ) 

 (') 

 (>) 



7 

 3 



(') 

 22 



( 5 ) 



1 Rare. 



2 Occasional. 



3 Lift not examined or percentage not ascertained. 



• See note, Table 20. 



8 Only specimens taken in lift. 



