592 



BULLETIN OF THE BUREAU OF FISHERIES 



Table 39. — Numerical expressions of certain systematic characters for 10 specimens of Leucichthys 

 reighardi from Lake Ontario, selected according to size 



Field 

 No. 



Locality 



Length 



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 



SA/O 



53166 



Brighton, 







































Ontario. 



225 



13+25 



& 



85 



4.7 



6.4 



9.6 



10.0 



2.8 



7.7 



4.5 



9.0 



1.9 



2.3 



3.1 



3.7 



4.9 



53179 



do 



228 



124-22 



<? 



80 



4.6 



6.1 



9.9 



9.8 



2.9 



7.3 



4.6 



8.7 



1.8 



2.2 



3.0 



3.5 



4.7 



53934 



do 



216 



13+23 



rf 1 



76 



4.5 



6.3 



9.7 



9.1 



2.7 



7.4 



4.4 



8.6 



1.9 



2.3 



3.1 



3.5 



4.8 



53937 



do 



240 



14+23 



Q 



76 



4.7 



6.4 



10.3 



10.0 



2.7 



8.0 



4.2 



8.0 



1.9 



2.4 



3.3 



3.6 



4.9 



53942 



do 



215 



14+23 



C? 



75 



4.3 



5.9 



10.2 



9.3 



3.0 



7.6 



4.0 



7.6 



1.8 



2.0 



2.7 



3.4 



4.7 



53952 



do 



240 



12+21 



tf 



74 



4.5 



6.1 



10.4 



10.9 



2.7 



8.0 



4.1 



8.5 



2.0 



2.3 



3.2 



3.4 



4.7 



53956 



do 



257 



13+23 



d< 



78 



4.6 



6.4 



10.7 



9. 1 



2.8 



8.2 



3.7 



7.3 



1.9 



2.3 



3.2 



3.7 



5.1 



53982 



Wilson.N.Y. 



208 



14+24 



9 



72 



4.3 



5.9 



10.9 



9.5 



2.8 



7.1 



4.3 



7.4 



1.7 



2.2 



3.0 



3.3 



4.5 



53996 



do 



203 



14+24 



9 



80 



4.5 



6.0 



10.5 



9.2 



2.9 



7.8 



4.6 



7.2 



1.5 



2.2 



2.9 



3.5 



4.7 



54080 



do 



240 



13+24 



cf 



75 



4.6 



5.9 



10.5 



9.5 



2.8 



8.4 



4.0 



7.5 



1.8 



2.4 



3.1 



3.4 



4.5 



Field 

 No. 



Locality 



H/E 



H/M 



H/S 



H/J 



H/Ad 



H/R 



O/E 



O/M 



O/S 



PV/P 



AV/V 



DR 



AR 



VR 



PR 



DC 



AC 



Br 



53166 



Brighton, Ontario 



4.2 



2.8 



3.9 



2.1 



3.3 



5.7 



3.1 



2.1 



2.9 



2.5 



1.8 



11 



10 



11 



15 



1.2 



0.92 



9 



53179 



do 



4. 1 



2.8 



3.8 



2.2 



2.7 



7.9 



3.1 



2.1 



2.8 



2.2 



1.6 



11 



11 



11 



16 



1.4 



1.0 



9 



53934 



do 



4.0 



2.9 



3.6 



2.1 



3.1 



6.7 



2.9 



2.1 



2.6 



2.3 



1.5 



10 



12 



11 



17 



1.4 



.89 



7 



53937 





4.2 



2.8 



3.8 



2.1 



4.2 



7.0 



3.1 



2.0 



2.8 



2.7 



1.5 



10 



11 



11 



17 



1.4 



1.0 



9 



53942 





4.2 



2.9 



4.0 



2.1 



3.2 



6.1 



3.1 



2.1 



3.0 



2.3 



1.7 



9 



11 



11 



15 



1.4 



.94 



9 



53952 





4.4 



2.8 



3.7 



2.3 



3.3 



7.0 



3.2 



2.0 



2.7 



2.1 



1.4 



9 



9 



11 



16 



1.6 



1.1 



8 



53956 





4.2 



2.7 



3.9 



2.1 



3.6 



7.6 



3.0 



2.0 



2.8 



2.3 



1.6 



8 



11 



12 



16 



1.5 



.96 



9 



53982 



"wn"son7N."Y"_~~"~ 



4.2 



2.9 



4.2 



2.1 



3.4 



6.8 



3.1 



2.1 



3.1 



2.3 



1.5 



9 



12 



10 



16 



1.6 



.96 



8 



53996 



do 



4.2 



2.8 



3.7 



2. 1 



3.1 



6.5 



3.0 



2.1 



2.8 



2.4 



1.6 



11 



12 



10 



16 



1.4 



.90 



9 



54080 



do 



4.3 



2.6 



3.4 



2. 1 



3.2 



6.4 



3.3 



2.0 



2.6 



2.4 



1.4 



9 



10 



11 



15 



1.4 



.90 



8 











































Table 40. — Records of the occurrence of Leucichthys nigripinnis 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. 



Washington Harbor, 

 Wis. 



Sturgeon Bay, Wis... 



Port Washington, 

 Wis. 



Milwaukee, Wis 



Wm. Lahmann 3 .. 



C. Tamms.- 



Racine, Wis., C. 



Hyttel, sr. 

 Michigan City, Ind.. 



Grand Haven, Mich.. 



Ludington, Mich 



Manistee, Mich., 



Peter Petersen; 



Hans P. Petersen. 

 Frankfort, Mich 



Northport, Mich. 



Charlevoix, Mich 



Manistique, Mich 



Chicago, m* 



Date 



Aug. 19, 1920. 

 Aug. 23, 1920. 

 Sept. 25, 1920_ 



May 26, 1922 



Mar. 24, 1919 



Sept. 23, 1920 



D e c e m b e r- Jan- 

 uary. 



April-June 



January 



Sept. 3, 1920. 

 Oct. 11, 1920. 



Mar. 20, 1919 



Aug. 30, 1920 



December-Jan- 

 uary. 



Oct. 4, 1920 _ 



June 22, 1920. 



July 31, 1923. 

 June 30, 1920. 

 Aug. 11, 1923. 

 Aug. 12, 1920. 



Location 



20 miles E. A N. of 



Rock Island. 

 12 miles E. by S. of 



ship-channel mouth. 

 18 miles E. V 2 S 



24 miles E. by N. 



27 miles ESE_ 

 40 miles ESE. 



do.. 



Off city. 



22 miles NW. by N. 

 % N. 



20 miles N. by W. 

 % W. 



12 miles west 



17 miles W. A S 



5-8 miles west 



9 miles north of Point 



Betsie. 

 5 miles northwest of 



Cathead Light. 



do.. 



3 miles northwest 



3 miles NW. y 2 W 



15 miles SE. by S. 



V 2 S. 



Gill-net 



mesh, 



in 

 inches 



2Vs,2H 



sy 2 

 3y 2 



2y 2 



2A 



2% 

 Wi. 

 iVi 



2U 

 2U 



2% 

 2% 

 2H 

 2% 



Depth, 

 in 



fathoms 



71-90 

 60-70 

 65-48 



60-80 

 50 

 60 



80-90 



80-90 

 60 



30-40 



30-40 



50-55 

 60-70 

 40-80 



60-70 



40-60 



40-60 

 40-65 

 35-60 

 60-70 



Bottom 



Clay, 



mud. 

 Mud 



Clay. 

 Mud. 



Red clay. 



Clay.. 

 Mud, clay 



Clay.... 



...do 



...do 



Blue clay. 

 Mud.. 



...do 



Clay 



Red clay. 



Weight 

 of lift, 

 in 



pounds 



900 

 50 

 285 



250 



535 



1,400 

 200 



375 

 200 



Per- 

 cent- 

 age of 

 nigri- 

 pinnis 



(') 



(!) 



(') 



(') 

 ( ! ) 

 (') 



(') 

 (') 



( 2 ) 



(') 



( ! ) 

 (') 

 (') 



Preserved 

 specimens 

 examined 



' Rare. 



' Lift not examined or percentage not ascertained. 



8 See note, Table 20. 



* Field Museum collection, borrowed specimens. 



