594 



Table 42. 



BULLETIN OF THE BUREAU OF FISHERIES 

 , — Records of the occurrence of Leucichthys nigripinnis in Lake Huron — Continued 



Port from which nets 

 were set 



Rec- 

 No. 



Date 



T .Ana t irtTi 



Gill-net 

 mesh, 



in 

 inches 



JJepth, 

 fathoms 



Ol 10 111 



Weight 

 of lift, 



in 

 pounds 



Per- 

 cent- 

 age 



Preserved 

 specimens 

 examined, 

 +200 mm. 



Lake Huron proper — 





















Contin ued . 





















Alpena, Mich 



18 



June 30,1923 





2% 



DO /U 





i Ann 



24 



7 









Thunder Bay Island. 











19 



July 2, 1923 



20 miles E. by N. of can buoy. 



2% 



60- 70 



...do 



2,000 



82 



3 





20 



July 5, 1923 



18 miles NE.24E. of Thunder 



2'A 



80-100 



...do 



6,000 



90 



7 









Bay Island. 













21 



July 7, 1923 



13 miles NE.^N. of Thunder 



2*A 



60 



...do 



1,400 



15 



2 









Bay Island. 











Harbor Beach, 



22 



Oct. 27,1917 



35 miles NE. by N.^N. of city . 



2% 



50 



...do 



1, 183 



(') 



1 



Mich. 













Georgian Bay: 





















Lions Head, On- 



23 



July 30,1919 



21 miles east of Surprise Shoal- 



3 



60 



Mud— - 



400 



(') 



5 



tario. 



24 



Oct. 6, 1919 



Off White Bluff 



3 



70 



...do 



425 



95 



10 



Wiarton, Ontario. 



25 



Nov. 6,1917 



6H miles northeast of Griffith 



3 



45-60 



...do 





(') 



2 





Island. 















26 



July 28,1919 



Off Cape Croker . 



3 



52 



...do 



500 



(') 



4 





27 



June 10,1922 



do 



3 









(') 



47 





28 



June 26,1923 



do 



3 









O 



3 











1 Rare. • Lift not examined or percentage not ascertained. 



Table 43. — Numerical expressions of certain systematic characters for 10 specimens of Leucichthys 

 nigripinnis from Lake Huron, selected according to size 



Field 

 No. 



Locality 



Length 



Sex 



Rakers 



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 



129 



Alpena, Mich_. 



320 



9 



16+28 



78 



4.3 



6.0 



9.3 



9.3 



2.9 



8.0 



3.5 



7.2 



2.0 



2.1 



2.9 



3.4 



130 



do. 



340 



9 



19+32 



80 



4.2 



5.6 



8.9 



9.7 



2.6 



8.5 



3.4 



6.1 



1.7 



2.1 



2.8 



3.3 



204 



do 



290 



cf 



18+33 



77 



4.1 



5.6 



8.0 



8.3 



2.7 



8.2 



4.1 



8.0 



1.9 



2.0 



2.8 



3.1 



205 



do 



312 



9 



16+30 



79 



4.1 



5.5 



8.7 



9.6 



2.6 



7.8 



3.6 



7.4 



1.9 



2.0 



2.7 



3.1 



763 



do 



304 



& 



16+31 



82 



3.9 



5.5 



8.7 



9.3 



2.8 



8.3 



3.8 



8.0 



2.1 



1.8 



2.6 



3.0 



770 



do 



297 



cf 



17+30 



83 



4.1 



5.5 



8.7 



8.2 



2.8 



7.7 



3.5 



7.4 



2.1 



2.0 



2.6 



3.0 



771 



do 



302 



9 



17+30 



78 



4.0 



5.5 



7.7 



7.3 



2.5 



7.7 



3.6 



7.4 



2.0 



1.9 



2.7 



2.9 



772 



do 



303 



9 



18+32 



85 



4.0 



5.7 



8.8 



8.3 



2.7 



8.1 



3.9 



7.9 



2.0 



2.0 



2.8 



3.1 



800 



do 



255 



9 



18+32 



77 



4.0 



5.6 



8.9 



9.1 



2.9 



9.0 



4.2 



7.8 



1.8 



2.0 



2.7 



3.1 



965 



do 



314 



9 



17+30 



85 



4.1 



5.7 



9.5 



9.3 



2.7 



7.8 



4.0 



6.5 



1.6 



1.9 



2.7 



3.1 



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 



129 



Alpena, Mich 



4.7 



4.1 



2.6 



3.6 



1.9 



3.6 



4.7 



3.0 



1.8 



2.6 



1.7 



1.4 



10 



11 



12 



16 



1.6 



1.0 



9 



130 



do 



4.4 



4.2 



2.7 



3.6 



2.0 



3.7 



5.3 



3.2 



2.0 



2.7 



1.8 



1.6 



10 



11 



11 



18 



1.3 



.97 



10 



204 



do 



4.3 



4.0 



2.5 



3.7 



1.9 



3.6 



4.6 



3.0 



1.9 



2.7 



1.6 



1.3 



11 



13 



12 



16 



1.4 



.94 



8 



205 



do 



4.2 



4.1 



2.6 



3.5 



2.0 



3.5 



5.1 



3.0 



1.9 



2.6 



1.7 



1.5 



10 



11 



12 



15 



1.4 



1.0 



9 



763 



do 



4.3 



4.1 



2.7 



3.7 



2.1 



3.7 



4.2 



2.9 



1.9 



2.6 



1.6 



1.5 



10 



12 



11 



18 



1.5 



.98 



9 



770 



do 



4.1 



3.9 



2.5 



3.5 



1.9 



3.2 



4.5 



2.9 



1.8 



2.6 



1.6 



1.0 



11 



12 



11 



17 



1.5 



.97 



9 



771 



do 



4. 1 



4.0 



2.5 



3.7 



1.9 



3.4 



4.5 



2.8 



1.8 



2.7 



1.5 



1.3 



11 



13 



11 



17 



1.3 



.84 



10 



772 



do 



4.3 



4.2 



2.6 



3.8 



2.0 



3.2 



4.2 



3.0 



1.9 



2.7 



1.7 



1.3 



11 



11 



12 



17 



1.4 



.92 



10 



800 



do 



4.4 



4.1 



2.4 



3.6 



1.9 



3.9 



6.2 



3.0 



1.8 



2.6 



1.7 



1.3 



10 



11 



11 



16 



1.5 



.92 



9 



965 



do 



4.3 



4.1 



2.6 



3.8 



2.0 



3.6 



4.8 



3.0 



1.9 



2.8 



1.7 



1.3 



10 



11 



12 



17 



1.6 



1.0 



8 



