GREAT LAKES COREGONIDS 



585 



Table 30. — Records of the occurrence of Leucichthys zenithicus in Lake Huron 



IFor 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 



Alpena, Mich 



Rec 

 ord 

 No. 



Harbor Beach, 

 Mich. 



Georgian Bay: 



Wiarton, Ontario 



Lion's Head, On- 

 tario. 

 Borrowed specimens: 



Cheboygan, 

 Mich.s 



Date 



July 21,1917 



Sept. 28, 1917 



Sept. 29, 1917 

 Oct. 15,1919 

 July 24,1917 

 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 



do 



Sept. 18, 1917 



Sept. 19, 1917 



Sept. 20, 1917 



Sept. 21, 1917 



Sept. 22, 1917 



Sept. 26, 1917 



Oct. 17,1917 



Oct. 20,1917 

 Aug. 30,1919 



Sept. 3,1919 



Sept. 13, 1919 

 Sept. 10, 1919 

 Aug. 7, 1920 



June 30,1923 



July 2, 1923 



July 5, 1923 



July 7, 1923 



July 10,1923 



Oct. 27,1917 



Mar. 15, 1919 



Nov. 6, 1917 



July 30,1919 



Locality 



5 miles north of Spectacle 

 Reef. 



2 miles northeast of Spec- 

 tacle Reef. 

 do 



12 miles E. by N. y 2 N. of 

 city. 



38 miles east of can buoy. 

 Center of lake east of can 

 buoy. 



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

 can buoy. 



22 miles SE. by E. y 2 E. of 

 can buoy. 



8 miles E. by N. of can 

 buoy. 



\V/ 2 miles SE. by S. of can 

 buoy. 



11 miles SE. % E. of can 

 buoy. 



24 miles SE. by E HE. of 



can buoy. 

 Center of lake northeast of 



can buoy. 

 13^ miles SE. by S. of can 



buoy. 



Center of lake northeast of 



can buoy. 

 17}4 miles N. by E. of 



Thunder Bay Island. 



23 miles SE. by E. ^ E. of 

 can buoy. 



14 miles NE. by E. of 

 Thunder Bay Island- 



17 miles NE. by N. % N. 

 of Thunder Bay Island. 



15 miles SE. by S. y 2 S. of 

 can buoy. 



13 miles SE. by S. of can 

 buoy. 



Center of lake east of can 

 buoy, 

 do 



Gill- 

 net 



mesh, 

 in 



inches 



18 miles N. by E . y 2 E. of 

 Thunder Bay Island. 



28 miles E. H S. of can 

 buoy. 



Off Presque Isle Light 



19 miles NE. y 2 N. of 

 Thunder Bay Island. 



17milesNE.byN.MN.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. J£ S. of North 

 Point. 



35 miles NE. by N. % N. 

 of city. 



6}4 miles northeast of Grif- 

 fith Island. 



21 miles east of Surprise 

 Shoal. 



2*A 



2% 

 2% 



iy 2 

 *y, 



2% 



2% 

 2% 

 2M 



iy 2 



2% 



2% 



2% 

 2% 



2% 



m 

 m 



2% 

 2% 

 2% 

 2% 

 2M 

 4H 

 2% 



m 



3 

 3 



Depth, 

 in 



fathoms 



35-50 



35-50 



35-50 

 35 

 60-70 

 35-50 



70-80 

 70-80 



16-20 

 30 

 20 

 15 



15-17 

 24 



65-80 

 15 



60-70 

 60 

 30 

 65 



65-75 

 17 

 17 



65-80 



65-80 

 60-64 



60-64 

 60 

 "&h~65 



65-70 



60-70 

 80-100 

 60 



14-20 

 50 

 31 



45-60 

 60 



Bottom 



Clay... 



do. 



.... do. 



Clay... 

 — _do_ 



.do. 

 .do- 



Mud. 



Clay. 

 Clay. 



Rock... 

 Clay... 

 do- 



Clay... 



....do. 

 __..do- 



_do. 



Clay 



....do 



— .do 



....do 



....do 



Rock, mud. 

 Clay 



Mud... 

 do. 



Weight 

 of lift, 



in 

 pounds 



1,800 

 1,850 



1,500 



1,470 

 3, 250 



Per- 

 cent- 



1,200 



825 



3,500 

 1,600 

 2,000 

 6,000 

 1,400 



400 



(') 

 99 



99 



( 2 ) 

 0) 

 99 



(') 

 (') 



(') 



(») 



(0 

 (0 

 (<) 

 (<) 

 ( a ) 

 (*) 

 (>) 

 0) 

 ( 3 ) 

 (') 

 (') 

 (<) 

 (0 



« 

 ( 3 ) 



17 

 17 



w 

 w 



3 

 5 

 3 



( 3 ) 

 14 



w 

 ( a ) 



12 



0) 



w 



1 Lift not examined or percentage not ascertained. 



2 Occasional. 

 8 Rare. 



4 Only specimens taken in the lift. 

 J Few. 



• U. S. National Museum collection. 



