GREAT LAKES COREGONIDS 



603 



Table 57. — Numerical expressions of certain systematic characters for 10 specimens of Leucichthys 



hoyi from Lake Michigan selected at random 



Field 

 No. 



Locality 



Length 



Rakers 



Sex 



Scales 



L/H 



L/O 



L/DB 



L/AB 





L/AT 



T ITi 



L/W 



D/W 



SD/H 



SD/O 



SA/H 



1665 



Milwaukee, Wis. 



201 



16+28 



9 



75 



4.3 



6.9 



10.4 



11.0 



2.9 



7.7 



4.1 



8.2 



2.0 



2.1 



2.9 



3.5 



1671 



do 



220 



16+27 



9 



73 



4.5 



6.2 



8.8 



9.7 



2.6 



8.4 



3.6 



7.8 



2.1 



2.1 



3.0 



3.5 



1704 



do 



209 



15+27 



<? 



69 



4.3 



5.8 



11.4 



10.3 



2.7 



8.7 



3.8 



7.4 



1.9 



2.2 



3.0 



3.4 



3020 



Menominee, 





































Mich 



160 



17+27 



9 



69 



4. 1 



5.7 



8.8 



9.6 



2.7 



7.4 



4.0 



8.4 



2. 1 



2.0 



2.8 



3.2 



3062 



Washington 





































Harbor, Wis.. . 



208 



15+28 



S 



75 



4.2 



5.7 



9.3 



10.9 



2.6 



8.1 



4.0 



8.3 



2.0 



2.1 



2.8 



3.3 



4027 



Michigan City, 



































Ind 



148 



15+30 



9 



74 



4.0 



5.2 



9.5 



9.7 



2.7 



8.7 



4.2 



8.9 



2.1 



2.0 



2.6 



3.1 



4256 



Milwaukee, Wis. 



141 



17+28 



9 



74 



4.0 



5.5 



9.7 



9.9 



2.9 



8.0 



4.8 



8.4 



1.9 



2.0 



2.7 



3. 1 



4259 



....do 



171 



15+26 



9 



70 



4.0 



5.1 



10.5 



9.9 



2.8 



7.9 



4.5 



9.0 



2.0 



2.0 



2.5 



3.1 



4344 



Michigan City, 





































Ind 



171 



16+26 



9 



67 



4.1 



5.6 



10.1 



10.0 



2.8 



8.5 



4.0 



8.5 



2.1 



2.1 



2.8 



3.2 



4357 



do ; 



201 



17+29 



9 



69 



4.2 



5.9 



10.3 



9.9 



2.7 



8.3 



3.7 



6.5 



1.7 



2.1 



3.0 



3.3 



Field 

 No. 



Locality 



SA/O 



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 



1665 



Milwaukee, Wis.. 



4.7 



4.1 



2.7 



3.8 



2.0 



3.0 



5.4 



3.0 



2.0 



2.8 



2.2 



1.6 



9 



10 



11 



15 



1.6 



1.2 



9 



1671 



do 



4.9 



4.0 



2.5 



3.9 



2.0 



3.2 



6.4 



2.9 



1.8 



2.8 



2.2 



1.5 



10 



11 



11 



16 



1.4 



1.0 



8 



1704 



do 



4.6 



3.9 



2.5 



3.6 



1.7 



3.7 



5.3 



2.9 



1.8 



2.6 



2.0 



1.6 



7 



11 



11 



15 



1.8 



1. 1 



8 



3020 



Menominee, Mich 



4.5 



3.9 



2.6 



3.9 



1.9 



3.3 



5.5 



2.8 



1.9 



2.8 



1.8 



1.3 



10 



13 



11 



15 



1.7 



1.2 



8 



3062 



Washington Har- 











































bor, Wis 



4.5 



4.0 



2.6 



3.7 



2.0 



3.4 



5.1 



3.0 



1.9 



2.7 



1.8 



1.5 



9 



10 



11 



16 



1.8 



1.3 



8 



4027 



Michigan City, 











































Ind 



4.1 



3.7 



2.6 



4.0 



2.0 



3.8 



5.2 



2.8 



1.9 



3.0 



2.0 



1.4 



9 



11 



11 



16 



1.6 



1.0 



8 



4256 



Milwaukee, Wis.. 



4.3 



3.5 



2.6 



3.9 



2.0 



3.8 



5.0 



2.5 



1.9 



2.8 



1.9 



1.2 



10 



13 



10 



15 



1.7 



1.1 



8 



4259 



do 



3.9 



3.7 



2.8 



3.8 



2.0 



4.0 



5.8 



2.9 



2.2 



3.1 



1.7 



1.4 



9 



11 



10 



16 



1.9 



1.1 



8 



4344 



Michigan City, 











































Ind 



4.3 



3.7 



2.4 



3.7 



1.9 



3.7 



4.8 



2.7 



1.8 



2.7 



1.9 



1.3 



9 



10 



11 



16 



1.7 



1.2 



8 



4357 



do 



4.6 



3.8 



2.6 



3.8 



1.9 



3.3 



5.2 



2.7 



1.8 



2.7 



1.7 



1.4 



9 



11 



11 



15 



1.9 



1.1 



9 



Table 58. — Records of the occurrence of Leucichthys hoyi 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 



Lake Huron proper: 

 Cheboygan, 

 Mich. 



Rogers, Mich.. 

 Alpena, Mich.. 



Rec- 

 ord 

 No. 



Date 



July 21,1917 



Sept. 29, 1917 



Oct. 1, 1917 



Oct. 15,1919 

 Oct. 14,1917 



Aug. 13,1917 



Sept. 7,1917 



Sept. 8,1917 



Sept. 12, 1917 



do 



Sept. 14, 1917 



do 



Sept. 17,1917 



Locality 



5 miles north of Spectacle 

 Reef. 



2 miles northeast of Spec- 

 tacle Reef. 



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

 city. 



38 miles east of can buoy.. 



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



can buoy. 

 22 miles SE. by E. H E. of 



can buoy. 

 11 miles SE. % E. of can 



buoy. 



Center of lake east of can 

 buoy. 



Center of lake northeast of 



can buoy. 

 24 miles SE. by E. H E. of 



can buoy. 

 13H miles SE. by S. of can 



buoy. 



Gill- 

 net 



mesh, 

 in 



inches 



Depth, 

 in 

 fath- 

 oms 



2»A 



35-50 



2>A 



35-50 





35-50 





35 



m 



35 





70-80 





16-20 





30 





15-17 





65-80 



&A 



65-80 





24 





15 



Bottom 



Clay, 

 —do- 



Clay. 



Abundance 



Occasional. 

 do 



Only specimens 

 taken in lift. 



Abundant 



Common. 



Only specimens 



taken in lift. 

 do 



Abundant. 



Only specimens 



taken in lift. 

 do 



.do. 

 .do. 

 .do. 



Preserved 

 specimens 

 examined 



+200 

 mm. 



-200 

 mm. 



44 

 31 



10 



19 



23 



4 



14 



23 



51 



