596 



BULLETIN OF THE BUREAU OP FISHERIES 



Table 45. — Numerical expressions of certain systematic characters of the types of the cyanopterus and 

 prognathus forms of Leucichthys nigripinnis from Lakes Superior and Ontario, respectively, and 

 for nine other specimens of that species from Lake Superior, selected according to size and locality 



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 



SO/O 



SA/H 



64672' 



Marquette, 





































Mich. 



345 



14+25 



9 



77 



4.0 



5.6 



8.9 



9.6 



2.8 



7.5 



3.8 



8.0 



2.0 



1.9 



2.7 



3.1 



866 



Grand Marais, 





































Mich... 



284 



14+24 



9 



87 



4.1 



5.6 



9.0 



9.2 



2.7 



7.7 



3.7 



8.4 



2.2 



2.0 



2.7 



3.2 



1293 



do 



289 



16+26 



<? 



80 



3.9 



5.2 



9.6 



8.3 



2.8 



8.6 



4.0 



9.0 



2.2 



1.9 



2.6 



3.0 



1295 



do 



292 



16+28 



c? 



85 



4.2 



5.8 



10.0 



8.8 



2.7 



7.8 



4.2 



8.8 



2.0 



2.0 



2.8 



3.2 



1296 



do 



298 



14+24 



9 



84 



4.1 



5.5 



9.2 



8.5 



2.7 



7.5 



3.5 



8.0 



2.2 



2.0 



2.7 



3.0 



1322 



do 



330 



15+25 



tf 



85 



4.1 



5.2 



8.6 



8.6 



2.7 



7.8 



3.7 



8.0 



2.1 



1.9 



2.4 



3.2 



57001 



Michipicoten 





































Island, Onta- 





































rio 



272 



14+26 



(? 



82 



4.1 



5.4 



9.0 



7.7 



2.9 



8.2 



4.1 



8.3 



2.0 



2.0 



2.6 



3.0 



57028 



do___ 



287 



15+24 



9 



85 



4.0 



5.3 



9.1 



8.7 



3.0 



7.7 



4.1 



7.9 



1.9 



2.0 



2.6 



3.0 



57146 



Alona Bay . 



246 



15+24 



9 



88 



4.0 



5.4 



9.6 



8.7 



2.8 



8.2 



3.8 



7.6 



2.0 



2.0 



2.6 



3.0 



57188 



Apostle Islands, 





































Wis 



267 



15+25 



9 



88 



4.1 



5.6 



8.3 



7.8 



2.8 



7.9 



3.8 



7.6 



2.0 



2.0 



2.7 



3.0 



45568' 



"Lake Ontario" 



297 



2 14+28 



Ev. 



77 



4.1 



5.7 



9.3 



8.7 



2.8 



8.3 



3.4 



7.4 



2.1 



2.0 



2.8 



3.2 



Field 

 No. 



646721 



1293 

 1295 

 1296 

 1322 

 57001 



57028 

 57146 

 57188 



455681 



Locality 



Marquette, Mich 

 Grand Marais, 



Mich 



do 



do.. 



do 



do 



Michipicoten Is- 

 land, Ontario. 



do 



Alona Bay 



Apostle Islands, 



Wis 



"Lake Ontario" 



>A/0 



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 



4.2 



4.7 



2.7 



3.9 



1.9 



3.8 



5.6 



3.4 



1.9 



2.8 



1.6 



1.4 



11 



12 



12 



17 



1.4 



1.0 



9 



4.4 



4.5 



2.6 



3.7 



2.0 



3.9 



5.6 



3.3 



1.9 



2.7 



1.8 



1.4 



11 



12 



12 



17 



1.5 



1.0 



9 



4.0 



4.3 



2.6 



3.6 



2.0 



4.1 



4.2 



3.2 



2.0 



2.7 



1.5 



1.3 



10 



11 



11 



18 



1.5 



.95 



9 



4.0 



4.4 



2.5 



3.7 



2.0 



3.3 



5.6 



3.2 



1.9 



2.7 



1.7 



1.3 



10 



13 



11 



17 



1.7 



.97 



9 



4.1 



4.7 



2.6 



3.6 



2.0 



4.2 



5.6 



3.5 



2.0 



2.7 



1.6 



1.3 



10 



12 



12 



17 



1.5 



.93 



9 



4.0 



4.4 



2.5 



3.6 



1.9 



3.6 



5.2 



3.5 



2.0 



2.8 



1.9 



1.3 



11 



14 



11 



17 



1.3 



.85 



9 



3.9 



4.4 



2.7 



3.8 



2.0 



3.8 



5.4 



3.3 



2.0 



2.9 



1.7 



1.3 



10 



13 



12 



17 



1.4 



.86 



9 



4.0 



4.4 



2.7 



3.7 



2.0 



3.6 



5.8 



3.3 



2.0 



2.8 



1.6 



1.4 



10 



12 



12 



18 



1.4 



.88 



9 



4. 1 



4.2 



2.6 



3.6 



1.9 



3.8 



5.6 



3.2 



1.9 



2.7 



1.6 



1.4 



10 



12 



11 



19 



1.6 



.93 



9 



4.3 



4.4 



2.6 



3.7 



2.0 



3.5 



6.4 



3.2 



1.9 



2.7 



1.6 



1.3 



11 



12 



11 



17 



1.5 



.94 



9 



4.5 



4.6 



2.4 



3.6 



1.8 



4.1 



5. 1 



3.3 



1.7 



2.6 



2.1 



1.4 



11 



13 



12 



16 







9 









1 Types, U. S. National Museum catalogue number. 



2 The count of 14 is not complete, because some of the rakers have been lost. 



Table 46. — Records of the occurrence of Leucichthys nigripinnis regalis in Lake Nipigon 



[For each record is given, if known, the date and locality, the kind of gear used to make it, the depth of the water where made, 

 and the total number of preserved specimens examined] 



Rec- 

 ord 

 No.i 



Date 



Location 



Gill net 

 mesh, in 

 inches 



Depth, 

 in 



fathoms 



Preserved speci- 

 mens examined 



+200mm. —200mm 



July 



July 



Sept. 



Sept. 



Aug. 



July 



Sept. 



Sept. 



Sept. 



Aug. 



Aug. 



Aug. 



June 



Aug. 



June 



Aug. 



Aug. 



Sept. 



July 



Aug. 



Aug. 



July 



Aug. 



Oct. 



June 



26, 1921 

 26, 1922 

 8, 1923 

 10, 1923 

 21, 1921 

 28, 1922 

 6, 1923 

 3, 1923 

 5, 1923 

 10, 1921 

 15, 1922 

 21, 1923 

 19, 1924 

 17, 1922 

 21, 1924 

 1, 1922 

 27, 1921 

 3, 1923 

 25, 1922 

 28, 1923 

 30, 1923 

 23, 1924 

 15, 1922 

 26, 1922 

 14, 1924 



Off Macdiarmid 



....do 



....do 



....do 



Off Blackwater River 



Off Livingston Point 



Off Sehvyn Island 



Humboldt Bay.. 



Off McKellar Island. 



Off Murchison Island . 



do 



Ombabika Bay.. 



do... 



Off Whitesand River 



Off Caribou Island.. 



Grand Bay 



Off Gros Cap — . 



do... 



Off Source of Nipigon River. 



Off Virgin Island 



do 



Sandy Bay 



Unknown 



do.. - 



do — 



2542M 



4H 



2^,2^ 



15 

 25 

 14 

 10 

 25 

 25 

 15-20 

 20 

 10 

 10-15 

 10-15 

 19 

 10 



i All but records 2, 6, 16, 19, and 24 from University of Toronto collections. 



