GREAT LAKES COREGONIDS 



579 



Table 23. — Numerical expressions of certain systematic characters for 20 specimens of Leucichthys 

 alpense from Lake Huron, 10 of them more than 200 millimeters long and 10 less than 200 milli- 

 meters long, selected according to size — Continued 



Size 



Field 

 No. 



SA/H 



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 



Over 200 



844 



3.2 



4.7 



4. 7 



2. 



6 



3. 



8 



1.9 



4. 



2 



5. 



7 



3. 



2 



1.8 



2. 



6 



2. 



1 



1 



7 



11 



11 



11 



15 



1 



3 



0.91 



9 



m i 1 1 i - 



62 



3.2 



4. 



5 



4. 8 



2.6 



3. 



4 



2. 0 



3. 



6 



6. 



2 



3. 



4 



1. 8 



2. 



5 



1. 



9 



1 



7 



11 



12 



11 



16 



1. 



3 



. 87 



8 



meters. 



141 



3. 



4 



4. 



8 



4.6 



2. 



7 



3. 



6 



1.9 



3. 



7 



S. 



6 



3. 



3 



1.9 



2. 



6 



2. 



1 



1 



8 



10 



11 



11 



16 



1. 



4 



.98 



8 





143 



3. 



1 



4. 



3 



4.5 



2. 



4 



3. 



5 



1.9 



4. 



7 



7. 



1 



3. 



2 



1.7 



2. 



5 



1. 



8 



1 



6 



10 



12 



11 



16 



1 



6 



.98 



9 





142 



3. 



2 



4. 



5 



4.7 



2. 



6 



3. 



4 



1.8 



3. 



2 



5. 



7 



3. 



4 



1.8 



2. 



4 



1. 



9 



1 



6 



11 



11 



11 



16 



1. 



2 



.94 



9 





147 



3. 



3 



4. 



7 



4.8 



2. 



5 



3. 



5 



1.8 



3. 



5 



7. 



2 



3. 



4 



1.7 



2. 



4 



2. 



2 



1 



6 



10 



10 



11 



16 



1. 



4 



1.0 



10 





144 



3. 



2 



4. 



7 



4.6 



2. 



5 



3. 



4 



1.9 



3. 



7 



5. 



8 



3. 



2 



1.7 



2. 



1 



2. 



0 



1 



7 



10 



12 



11 



16 



1. 



3 



.99 



9 





137 



3. 



3 



4 



7 



4.6 



2. 



5 



3. 



5 



2.0 



3. 



5 



6. 



6 



3. 



3 



1.7 



2. 



5 



2. 



0 



1 



5 



10 



11 



11 



16 



1 



6 



.98 



8 





146 



3. 



2 



4. 



4 



4.8 



2. 



6 



3. 



4 



2. 1 



3. 



7 



6. 



3 



3. 



5 



1.9 



2. 



4 



2. 



0 



1 



6 



10 



11 



11 



16 



1. 



2 



.92 



9 





136 



3. 



3 



4. 



7 



4.8 



2. 



5 



3. 



4 



1.9 



3. 



5 



6. 



2 



3. 



3 



1.6 



2. 



4 



2. 



2 



1 



8 



10 



10 



11 



15 



1. 



3 



1.0 



10 



Under 200 



42B 



3. 



1 



4. 



1 



4.0 



2. 



5 



3. 



6 



1.9 



3. 



4 



6. 



6 



2. 



9 



1.8 



2. 



6 



2. 



0 



1 



4 



11 



13 



11 



16 



1 



5 



.90 



9 



m i 1 1 i - 



49B 



3. 



2 



4 



3 



3.8 



2. 



S 



3. 



7 



1.8 



3. 



8 



6. 



3 



2 



9 



1.8 



2. 



8 



2. 



2 



1 



6 



10 



11 



11 



16 



1. 



5 



.87 



9 



meters. 



57B 



3. 



1 



4 



3 



3.8 



2. 



4 



3. 



7 



1.8 



3. 



4 



5. 



9 



2. 



7 



1.7 



2. 



6 



2. 



1 



1 



3 



10 



11 



11 



16 



1 



6 



1.0 



9 





59B 



3. 



1 



4. 



4 



3.8 



2. 



3 



3. 



6 



1.8 



3. 



7 



6. 



3 



2. 



7 



1.6 



2. 



6 



2. 



1 



1 



4 



9 



9 



11 



15 



1. 



5 



1.0 



9 





60B 



3. 



1 



4 



1 



3.9 



2. 



4 



3. 



S 



1.7 



3. 



8 



6. 



7 



3. 



0 



1.9 



2. 



6 



2. 



0 



1. 



4 



11 



12 



10 



16 



1. 



4 



1.0 



8 





61B 



2. 



9 



4 



0 



3.8 



2 



5 



3. 



4 



1.8 



3. 



8 



7. 



3 



2. 



8 



1.8 



2. 



6 



1. 



8 



1 



4 



10 



12 



12 



16 



1. 



8 



1.0 



9 





72B 



3. 



0 



4 



0 



3.9 



2. 



4 



3 



6 



1.9 



3. 



5 



8. 



0 



2. 



9 



1.8 



2. 



7 



2. 



0 



1 



S 



11 



12 



10 



16 



1. 



4 



.90 



10 





73B 



3. 



0 



4 



0 



3.9 



2. 



4 



3 



9 



1.8 



3. 



7 



6. 



9 



2. 



9 



1.8 



2. 



9 



2. 



0 



1 



4 



10 



11 



11 



17 



1. 



6 



1.0 



9 





74B 



3. 



1 



4. 



2 



3.7 



2. 



5 



4 



0 



1.8 



3. 



1 



6. 



1 



2. 



7 



1.8 



2. 



9 



2. 



0 



1 



4 



11 



12 



11 



15 



1. 



5 



.88 



9 





75B 



3. 



1 



4 



1 



4.0 



2. 



3 



3. 



6 



1.8 



3. 



5 



6. 



9 



3. 



0 



1.7 



2. 



9 



2. 



0 



1. 



5 



10 



11 



11 



16 



1. 



5 



1.0 



8 



Table 24. — Records of the occurrence of Leucichthys zenithicus in Lake Superior 



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

 and character of the bottom where made, the number of fish gilled in the netting, the percentage of this species among them, 

 and the total number of preserved specimens examined] 



Port from which nets were 



Rec- 

 ord 

 No. 



Date 



Location 



Gill-net 

 mesh, in 

 inches 



Depth, in 

 fathoms 



Sault Ste. Marie, Mieh 



Grand Marais, Mich.. 

 Marquette, Mich 



W. J. Parker i... 

 Ontonagon, Mieh 



Apostle Islands, Wis. 



Duluth, Minn 



Grand Marais, Minn 



Port Arthur, Ontario 



Rossport, Ontario. 



Port Coldwell, Ontario 



Michipicoten Island, Ontario 



Coppermine Point, Ontario.. 



June 14, 1922. 



Oct. 3, 1917 



Aug. 5, 1921 



Aug. 8, 1921 



Aug. 11, 1921 



Dec. 5, 1922 



1923 



November, 1925. 

 Nov. 25 -Dec. 1.. 



Aug. 16, 1921 



Aug. 24, 1921 



Aug. 25, 1921 



July 11, 1922 



July 14, 1922 



July 15, 1922 



do 



July 17, 1922 



Sept. 14, 1921 



July 17, 1922 



Sept. 15, 1923 



do. 



Sept. 17, 1923.... 



do 



Sept. 19, 1923.... 



Oct. 4, 1921 



Sept. 25, 1923.... 



Sept. 29, 1923 



Oct. 22, 1923 



June 19, 1922 



June 22, 1922 



June 24, 1922 



June 26, 1922 



10 miles NW. by W. M W. of Point Iroquois 

 Light in Whitefish Bay. 



31 miles N. % E__._ 

 6 miles NE. % N... 

 18 miles NE. by N. 

 Off Granite Island . 



2J42M 



VA 



Hi, 2V 2 , 2% 

 2)4 2M 



iV2 



10 miles N. by W. ]4. W 



54 miles W. by N — 



21 miles west 



6 miles NNW_ 



Between Cat and South Twin Island 



25 miles north of South Twin Island 



14-18 miles NW. by N. of South Twin Island. 



20 miles northwest of Rocky Island. 



20 miles NE. by E 



Off Terrace Point — -. 



do _ 



North of Silver Island 



Thunder Bay, off Thunder Cape 



Thunder Bay, north of Welcome Islands 



Thunder Bay, south of Welcome Islands 



Thunder Bay, off Sawyer Bay 



Off Bread Rock 



Simpson Channel 



Off Salter Island 



6 miles northeast of East End Light 



3 miles SE. y 2 E. of Quebec Harbor Light. 



Agawa Bay 



Off Alona Bay 



2M 

 4J/ 2 

 2J4 2M 

 2A, 2% 

 2li, 2H 

 4 l A 

 iA 

 iA 



2% 



2A, 2 3 4 

 i*A 



2V 2 



VA 



2A. 

 2A 

 2A 



VA 

 2A 



4A 



iA 



2A,2% 

 iA 



2A,2*A,m 



