572 BULLETIN OF THE BUREAU OF FISHERIES 



Table 16. — Records of the occurrence of Leucichthys johannse 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 

 specimens 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 



Percent- 

 age of 

 johan- 

 nae 



Preserved 

 specimens 

 examined 



+200 - 200 



Washington Har- 

 bor, Wis. 

 Sturgeon Bay, Wis. 



Algoma, Wis 



Sheboygan, Wis 



Port Washington, 

 Wis. 



Milwaukee, Wis... 

 Michigan City, Ind. 



Grand Haven, 



Mich. 

 Ludington, Mich__ 



Frankfort, Mich___ 



Northport, Mich... 



Charlevoix, Mich.. 



Manistique, Mich.. 



Racine, Wis. 3 



Sturgeon Bay, Wis. 5 



Aug. 19,1920 



Aug. 23,1920 



Aug. 24,1920 



Oct. 1, 1920 

 Sept. 25, 1920 

 May 26,1922 

 Sept. 23,1920 

 Sept. 31, 1920 

 Oct. IT, 1920 

 Mar. 20, 1919 



Aug. 30,1920 



do 



Oct. 4, 1920 



June 22, 1920 



July 31,1923 



June 29,1920 



Aug. 11,1923 



Aug. 12,1920 



20 miles E. ]/ 2 N. of Rock 



Island. 

 12 miles E. by S. of ship 



channel mouth. 

 10 miles E. by N 



11 miles southeast 



18 miles E. y 2 S 



24 miles E. by N 



27 miles ESE 



22 miles NW. by N. y 2 N. 

 20 miles N. by W. % W__. 



12 miles west 



2M, 2%. 

 VA 



2J4- 

 2H- 



m- 



2A- 



VA- 



2%. 



17 miles W. y 2 S._ 



12 miles W. y 2 S 



9 miles north of Point 

 Betsie. 



5 miles northwest of Cat- 

 head Light. 



do 



5 miles N. by E 



3 miles NW. H W__. ...... 



15 miles SE. by S. y 2 S_._. 



2%- 

 2M- 

 2%. 



2%- 



2%. 

 2%. 

 2%. 



71-90 

 60-70 

 35-50 



6.5-48 

 60-80 

 60 

 30-40 

 30-40 

 50-55 



60-70 

 45-50 

 60-70 



40-60 



40-60 



40-55 

 35-60 

 60-70 



Clay, mud. 

 Mud 



Gravel, 

 mud. 



Clay 



..do 



Mud 



Red clay.. 



Clay 



Clay, mud. 

 Clay 



...do 



...do.. 



Blue clay. 



900 

 50 

 310 



200 



285 



250 

 ~535 



Mud. 

 ...do.. 



1,400 

 200 



Clay, mud. 

 Red clay.. 



375 

 200 



(') 



( 2 ) 

 (>) 

 ( 2 ) 

 (') 

 (') 

 (>) 

 ( 2 ) 



( J ) 

 ( 2 ) 



© 



(') 

 (') 

 0) 

 (') 



1 Rare. 2 Lift not examined or percentage not ascertained. 3 Wisconsin Geological Survey collection, borrowed specimens. 



Table 17. — Numerical expressions of certain systematic characters for the type of Leucichthys johannse 

 and for nine other specimens from Lake Michigan, selected according to size and locality 



Field 

 No. 



Locality 



Length, 

 milli- 

 meters 



Rakers 



Sex 



Scales 



L/H 



L/O 



L/DB 



L/AB 



L/DA 



L/AT 



L/D 



L/W 



D/W 



SD/H 



SD/O 



SA/H 



873531 



Racine, Wis 



265 



10+19 



cT 



82 



4.2 



5.8 



9.1 



8.4 



2.7 



8.0 



3.6 



7.7 



2.1 



2.2 



3.0 



3.2 



1570 



Grand Haven, 





































Mich 



254 



11+18 



c? 



81 



4.1 



5.6 



8.4 



8.2 



2.7 



7.6 



3.6 



7.2 



2.0 



2.0 



2.8 



3.0 



1593 



-_-__do-_-_.„ .. 



280 



12+18 



ef 



88 



4.3 



5 9 



10.1 



10.3 

 9.6 



.2.8. 



7.3 



4.2 



7.7 



L8 



-2.1 



2.9 



3. a 



2949 



Manistique, Mich. 



265 



11+17 



& 



87 



4.0 



5.4 



8.8 



2.7 



6.9 



3.9 



8.2 



2.0 



2.0 



2.8 



3.0 



3218 



Washington Har- 





































bor, Wis 



268 



11+19 



<? 



85 



4.1 



5.8 



8.9 



8.7 



2.8 



7.2 



3.7 



7.4 



2.0 



2.0 



2.8 



3.1 



3292 



Sturgeon Bay, 





































Wis 



245 



12+20 



& 



91 



4.2 



5.6 



9.8 



9.7 



2.7 



7.0 



4.3 



8.4 



1.9 



2. 1 



2.8 



3.2 



3301 



do 



231 



12+20 



9 



84 



4. 1 



5.5 



8.8 



8.8 



2.7 



8.1 



4.0 



7.7 



1.9 



2.0 



2.7 



3.1 



3402 



Ludington, Mich. 



262 



10+20 



9 



83 



4.2 



5.9 



9.7 



8.7 



2.7 



7.1 



3.9 



8.7 



2.2 



2. 1 



2.9 



3.2 



3471 



do..- 



288 



11 + 17 



9 



87 



4.0 



5.4 



9.3 



8.4 



3.0 



9.2 



3.8 



7.7 



2.0 



2.0 



2.7 



3.1 



3668 



Port Washington, 





































Wis 



252 



10+17 



9 



82 



4.2 



5.7 



9.4 



9.0 



2.8 



9.1 



3.8 



8.4 



2. 1 



2.0 



2.8 



3.1 



Field 

 No. 



87353 1 

 1570 



1593 

 2949 

 3218 



3292 



3301 

 3402 

 3471 

 3668 



Locality 



Racine, Wis 



Grand Haven, 



Mich 



do 



Manistique, Mich- 

 Washington Har- 

 bor, Wis 



Sturgeon Bay, 



Wis 



do 



Ludington, Mich. 



do. 



Port Washington, 

 Wis _ 



SA/O 



4. 1 

 4.5 

 4.1 



4.4 



4.3 

 4.2 

 4.5 

 4.3 



4.3 



H/E 



4.5 

 4.8 

 4.4 



4.6 



4.4 

 4.3 

 4.6 

 4.8 



4.6 



H/M 



2.7 

 2.8 

 2.7 



2.6 



2.7 

 2.8 

 2.6 

 2.7 



2.7 



H/S 



3.5 



3.8 

 3.4 



3.6 



3.5 

 3.6 

 3.5 

 3.7 



3.5 



H/J 



2.0 



2.0 

 2.1 

 1.9 



2.0 



2.0 

 2.0 

 2.0 

 2.0 



2.0 



H/Ad 



3.4 



3.3 

 3.4 

 3.6 



3.6 



3.0 

 4.3 

 3.3 

 4. 1 



3.7 



H/R 



6.7 



6.0 

 6.0 



7.2 



6.4 

 6.0 

 7.8 

 6.4 



6.0 



O/E 



3.3 



3.3 

 3.4 

 3.2 



3.2 



3.3 

 3.2 

 3.3 

 3.S 



3.3 



O/M 



1.8 



2.0 

 2.0 

 2.0 



1.8 



2.0 

 2. 1 

 1.9 

 2.0 



2.0 



O/S 



PV/P 



2.0 



1.6 

 1.7 

 1.6 



1.7 



1.8 

 1.6 

 1.8 

 1.7 



1.8 



AV/V 



1.5 



1.2 

 1.4 

 1.2 



1.3 



1.3 

 1.3 

 1.5 

 1.5 



1.4 



DR 



AR 



VR 



PR 



DC 



AC 



0. 87 



.89 

 1.0 

 1.0 



.94 



1.0 

 .98 

 .88 

 .82 



.91 



Br 



1 Type: U. S. National Museum number. 



