GREAT LAKES COREGONIDS 



611 



Table 68. — Records of the occurrence of Leucichthys artedi 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 

 bottom where made, percentage of this species in the lift, and 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 



Per- 

 cent- 

 age of 

 ar- 

 tedi 



Preserved 

 specimens 

 examined 



+225 

 mm. 



-225 

 mm. 



Menominee, Mich 



Oconto, Wis 



"Washington Harbor, Wis. 



Sturgeon'.Bay, Wis. 



Algoma, Wis 



Port Washington, Wis. 



Milwaukee, Wis 



Michigan City, Ind. 



Muskegon, Mich 



Manistee, Mich 



Platte Bay, Mich, (fiold 

 station) . 



South Manitou Island, 

 Mich. 



Northport, Mich 



Traverse City, Mich... 



Manistique, Mich. 

 Seul Choix, Mich.. 



Borrowed specimens: 

 Jackson Park La- 

 goon, Chicago, 111. 1 



Chicago, MA 



Whiting, Ind. ' 



Green Bay 8 



Pine, Ind. » 



Aug. 16, 1920 



do.. 



Nov. 17, 1920 



do.. 



Aug. 18,1920 



do.. 



do 



Aug. 19,1920 



do_. 



do 



Aug. 23, 1920 



Aug. 24,1920 

 Sept. 25, 1920 

 Sept. 27, 1920 

 Mar. 24, 1919 



do 



Sept. 24, 1920 

 Nov. 15, 1920 



3, 1920 



4, 1920 

 11, 1920 



2, 1921 

 4, 1921 

 31, 1920 

 27, 1920 

 21, 1923 



Sept. 

 Sept. 

 Oct. 

 Mar. 

 Mar. 

 Aug. 

 Aug. 

 July 



July 23,1923 

 July 30,1923 



June 22, 1920 



June 23, 1920 

 July 31,1923 



June 22, 1920 



June 25, 1920 

 July 25, 1923 



do 



do 



July 18, 1923 

 July 19, 1923 

 Julv 26,1293 

 do 



Aug. 11,1920 

 Aug. 20,1920 



Off Little Sturgeon 



8 miles south of Green Island—. 

 4 miles northeast... 



3 miles southeast 



4 miles west of Boyer Bluff 



7 miles NNW 



5 miles west of Boyer Bluff 



3 miles WN W. of Boyer Bluff.. 

 20 miles E. y 2 N. of Rock Island 

 Off northwest end of St. Mar- 

 tin's Island. 



12miles E. by S. of ship-chan- 

 nel mouth. 



10 miles E. by N 



18 miles E. y 2 S_ 



Off city 



9 miles NNE 



5 miles E. by Sy 2 S 



22 miles NWN. y 2 N 



Off city 



20 miles N. by W. % W... 



14 miles NNW 



15 miles NW. by N. >/ 2 N. 



2Vs,2y 2 

 2% 



m 



(') 



•m 



4 

 4 



2H, 2% 

 2%, 2% 



2H 

 2Y 2 



) 



2V 2 

 2V 2 \ 

 2V 2 



2J-2 



2y 2 



) 



2y 2 



2 1 - 2 



(') 



(') 



3 miles south 



\y 2 miles south of Otter Creek. 



do 



Off the light. 



5 miles northwest of Cathead 

 Light. 



Off Northport Point 



5 miles northwest of Cathead 

 Light. 



4 miles north on east shore of 

 West Bay. 



Off Lees PoEfitI'I"~""™"I 



do 



do... 



West Bay 



Barrow Harbor 



do... 



\y 2 miles south of Barrow 



Harbor. 



13 miles SE. y 2 E_. 



\y 2 miles west of Seul Choix 



Point. 



(') 



IH 

 i.i iy 2 



2*A 

 2% 



(9 



l 



O 



(') 

 (') 



a 



16 

 2 



5-6 

 18-24 

 11 

 20 

 20-24 

 71-90 

 14 



60-70 



35-50 

 65-48 

 5 



10-15 

 50 



22-25 

 12 



30-10 

 5 



30-40 

 26 

 28 



100 

 100 

 100 

 100 

 45 



Rock. 



Clay, mud. 

 Rock 



Mud- 



Gravel, mud 

 Clay 



Clay. 



4 



8-12 



15-25 

 1-5 



40-60 



28-40 

 40-60 



4 



4- 6 

 1 



6-16 

 30-40 



5 

 5 

 5 



20 



5- 8 



Clay.. 



Sand.. 



Mud, clay- 

 Clay 



Sand... 

 do. 



.do. 



Sand. 



...do_ 



Clay. 



Sand. 



( 3 ) 



1 



32 



3 

 12 

 25 



i Pound net. 8 Occasional. 



1 Only specimens taken in lift. 7 Seine. 



a Rare. 8 Field Museum collection. 



* Common. , • U. S. National Museum collection. 



s Lift not examined or percentage not ascertained. 



