GREAT LAKES COKEGONIDS 



573 



Table 18. — Records of the occurrence of Leucichthys johannas in Lake Huron 



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 



Locality 



Gill-net 

 mesh, in 

 inches 



Depth, 

 in 



fathoms 



Bottom 



Weight 

 of lift, 



in 

 pounds 



Per 



centage 



Lake Huron proper: 

 Cheboygan, 

 Mich. 



Rogers, Mich. 

 Alpena, Mich. 



Harbor Beach, 



Mich. 

 Georgian Bay: 

 Lion's Head, 



Ontario. 



Wiarton, On- 

 tario. 



speci- 



Borrowed 

 mens: 

 Detour, Mich. 3 . 



July 21,1917 



Sept. 29, 1917 



Oct. 1,1917 

 July 24,1917 

 Oct. 14,1917 

 Aug. 13,1917 

 Sept. 7,1917 



do 



Sept. 8,1917 



Sept. 10, 1917 



Sept. 12, 1917 



Sept. 14, 1917 



Sept. 17,1917 

 Sept. 18, 1917 



Sept. 19, 1917 



Sept. 20, 1917 



Sept. 21, 1917 



do _. 



Sept. 24, 1917 

 Sept. 26, 1917 

 Oct. 17,1917 

 Oct. 20,1917 

 Aug. 30,1919 



Sept. 3,1919 

 Sept. 18, 1919 



do 



Aug. 7, 1920 



June 28, 192a 



June 30,1923 



July 2, 1923 

 July 5, 1923 



July 7, 1923 



Oct. 27,1917 



July 30,1919 



Oct. 6, 1919 

 Nov. 6,1917 



July 28,1919 

 June 10, 1922 

 June 26,1923 



5 miles north of Spectacle 

 Reef. 



2 miles northeast of Specta- 

 cle Reef. 



12 miles E. by N. y 2 N 



38 miles east of can buoy 



26 miles SE. by E. \i E. of 



can buoy. 

 Center of lake, east of can 



buoy. 



22 miles SE. by E. H E. of 



can buoy. 

 Center of lake, northeast of 



can buoy. 

 Center of lake, east of can 



buoy. 



Center of lake, northeast of 

 can buoy, 

 do. 



173^ miles N. by E. of Thun- 

 der Bay Island. 



Center of lake, northeast of 

 can buoy. 



14 miles NE. by E. of Thun- 

 der Bay Island. 



17 miles NE. by N. 54 N. of 

 Thunder Bay Island. 



Center of lake, east of can 

 buoy. 



do 



do _ 



do _ 



do 



18 miles N. by E. \i E. of 

 Thunder Bay Island. 



28 miles E. J4 S. of can buoy. 

 14 miles N. by E. of Thun- 

 der Bay Island. 



19 miles NE. HN. of Thun- 

 der Bay Island. 



19 miles northeast of Thun- 

 der Bay Island. 



17 miles NE. by N. 54 N. of 

 Thunder Bay Island. 



20 miles*E. by N. of can buoy. 



18 miles NE. 54 E. of 

 Thunder Bay Island. 



13 miles NE. ]/ 2 N. of Thun- 

 der Bay Island. 



35 miles NE. by N. H N. of 

 city. 



21 miles east of Surprise 

 Shoal. 



Off White Bluff 



614 miles northeast of Grif- 

 fith Island. 



Off Cape Croker 



do 



_— do 



254 



254 



254 

 254 

 254 



254 



m 



254 



254 



254 



254 

 254 



254 



254 



254 



254 



254 

 254 

 254 



254 



254 



2% 



254 

 254 



•254 



254 



254 

 254 



254 



254 



35-50 

 35-50 



Clay. 

 ...do- 



1,850 



60-70 

 35-50 

 70-80 

 16-20 



70-80 



30 



60-70 



65-80 



65-80 



60-70 

 60 



65-80 



65 



65-75 



65-70 



65-80 

 65-80 

 65-80 

 65-80 

 60-64 



60-64 

 65 



Clay. 

 ..do.. 

 ...do.. 



Clay. 



Clay.. 



_-do__ 



..do- 



..do- 

 ..do- 



..do- 



..do- 



..do- 



..do.. 



..do.. 

 ..do.. 

 ..do.. 

 ..do.. 

 ..do.. 



...do„ 

 ..do.. 



60-65 



60-70 



65-70 



60-70 

 80-100 



60 



50 



60 



70 

 45-60 



52 



Clay.... 



_.do 



__do 



..do.. 

 ..do- 

 Mud.. 



..do.. 

 ..do.. 



-do_... 



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 



1, 183 



400 

 425 



500 



(') 

 ( 2 ) 



0) 

 ( 2 ) 



( 2 ) 



( 2 ) 



75 



(>) 

 (') 

 (') 

 (') 



(') 



(') 

 (') 



1 Lift not examined or percentage not ascertained. 



2 Rare. 



3 Field Museum collection. 

 ' Few. 



