GREAT LAKES COREGONIDS 



629 



Table 95. — Numerical expressions of certain systematic characters for 10 specimens of Coregonus 

 clupeaformis from Lake Ontario, 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 



SD/O 



SA/H 



1157 



Port Hope, On- 





































tario _ 



444 



11+16 





83 



4.7 



6.2 



8.7 



8.6 



2.7 



5.8 



3.7 



7.4 



1.9 



2.3 



3.0 



3.7 



1158 



do - 



423 



11+16 





90 



4.8 



6.4 



8.5 



8.9 



2.8 



7.4 



4.0 



8.4 



2.1 



2.2 



3.0 



3.7 



62435 



Sandy Pond,N.Y_ 



415 



11+17 





78 



4.8 



6.6 



9. 1 



9.0 



2. 7 



6.9 



3.7 



8.6 



2.3 



2.2 



3. 1 



3.7 



53258 



Bronte, Ontario. _ 



407 



11+17 



c? 



85 



4.7 



6.4 



9.4 



8.6 



2.9 



6.6 



4.0 



8.8 



2.1 



2.1 



2.8 



3.6 



54049 



Port Ontario, N. 



































Y 



293 



10+17 





86 



4.6 



5.7 



8.1 



8.6 



2.7 



6.5 



3.8 



8.3 



2.1 



2.2 



2.7 



3.6 



53154 



Duck Island, On- 





































tario 



302 



10+16 



Im. 9 



83 



4.9 



6.5 



9.0 



8.6 



2.7 



7.0 



4.1 



8.8 



2.1 



2.2 



2.9 



3.7 



53156 



do 



308 



11+18 



Im.9 



82 



4.6 



6.2 



8.3 



8.6 



2.8 



6.5 



4.0 



7.8 



1.9 



2.1 



2.9 



3.5 



53150 



do.. 



279 



11+16 



Im. 9 



86 



4.8 



6.6 



9.6 



10.0 



2.9 



6.6 



3.9 



8.4 



2.1 



2.2 



3.0 



3.8 



53155 



do 



253 



11+18 



Im.tf 1 



79 



4.5 



6.0 



8.0 



8.4 



2.6 



7.0 



3.8 



9.3 



2.4 



2. 1 



2.8 



3.4 



1220 



Winona, Ontario . 



274 



10+19 



Im.cf 



88 



4.9 



6.6 



9.1 



9. 1 



2.5 



6.6 



3.6 



7.4 



2.0 



2.3 



3.1 



3.7 



Field 

 No. 



Locality 



SA/O 



H/E 



H/M 



H/S 



H/J 



H/Ad 



H/R 



O/E 



O/M 



1 



O/S 



PV/P 



AV/V 



DR. 



AR 



VR 



PR 



DC 



AC 



Br 



Wt. 



1157 



Port Hope, 









































Lb. oz. 





Ontario... 



4.8 



5. 1 



3.3 



3.4 



2.6 



2.1 



10.0 



3.9 



2.5 



2.6 



1.9 



1.8 



11 



12 



11 



16 



1.3 



0.94 



9 



2 14.5 



1158 



do 



4.9 



4.9 



3.4 



3.6 



2.4 



2.5 



10.7 



3.7 



2.5 



2.7 



1.8 



1.6 



11 



11 



11 



15 



1.5 



1. 1 



8 



2 5.0 



62435 



Sandy 













































Pond, N. 













































Y 



5.2 



5.0 



3.7 



4.0 



2.8 



2.6 



10.7 



3.6 



2.7 



2.8 



2.0 



1.7 



10. 



. 12 



11 



10 



1.4 



1.0 



9 



2 5.0 



53258 



Bronte, On- 



4.9 



5.0 



3.4 



3.9 



2.6 



2.6 



9.3 



3.6 



2.5 



2.9 



1. 7 



1.7 



10 



13 



11 



16 



1.5 



1.0 



8 



1 11.5 





tario 











































54049 



Port Onta- 













































rio, N. Y. 



4.4 



4.4 



3.2 



3.6 



2.6 



2.6 



9.1 



3.6 



2.6 



2.9 



1.9 



1.6 



11 



12 



11 



15 



1.6 



1. 1 



9 



12.5 



53154 



Duck Is- 









































land, On- 













































tario 



4.9 



4.2 



3.3 



3.6 



2.5 



2.7 



10.1 



3.2 



2.5 



2.7 



1.9 



1.6 



11 



12 



11 



14 



1.5 



1. 1 



9 



11.5 



53156 



do 



4.8 



4.4 



3.3 



3.6 



2.7 



2.7 



9.4 



3.2 



2.5 



2.6 



1.7 



1.4 



11 



12 



11 



16 



1.5 



1. 1 



9 



14 



53150 



do 



5.3 



4.6 



3.4 



4.0 



2.6 



2.6 



9.6 



3.3 



2.4 



2.8 



2. 1 



1.8 



11 



11 



12 



15 



1.5 



1.2 



9 



9 



53155 



do 



4.5 



4.3 



3.3 



4.2 



2.6 



2.8 



11.2 



3.2 



2.4 



3.1 



1.5 



1.4 



11 



12 



11 



15 



1.5 



1.0 



9 



7.5 



1220 



Winona, 











































Ontario... 



5.0 



4.5 



3.3 



3.7 



2.6 



3.0 



9.1 



3.4 



2.4 



2.7 



1.8 



1.8 



11 



12 



11 



15 



1.5 



1.0 



8 



10 



Table 96. — Records of the occurrence of Prosopium quadr Hater ale in Lake Michigan 



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



number of preserved specimens examined] 



Ports from which nets were set 



Washington Harbor, Wis_ 



Milwaukee, Wis 



Michigan City, Ind 



Manistee, Mich 



Platte Bay, Mich, (field sta- 

 tion). 



i 



South Manitou Island, Mich. 



Traverse City, Mich 



St. James, Mich 



Cheboygan, Mich 



Borrowed specimens: 



Algoma, Wis. 1 



Date 



Aug. 18,1920 

 Nov. 15, 1920 

 Nov. 19, 1920 



do 



Mar. 4, 1921 

 Aug. 27, 1920 

 July 21,1923 

 July 22,1923 



do 



July 23, 1923 

 July 30,1923 

 June 25,1920 

 June 28,1920 

 July 23,1917 



Location 



7 miles NNW... 



5 miles E. by S. y 2 S 



17 miles NNW.. 



17y 2 miles NW. by N. % N _. 



15 miles NW. by N. y 2 N 



3 miles south 



\y 2 miles south of Otter Creek 



do 



do 



do _ 



Off the lighthouse __. 



4 miles north on east shore of West Bay. 



Sandy Bay 



Near Epoufette 



Kind of net 



2%-ineh gill. 

 2^-inch gill. 



do 



do 



do 



Pound 



iy 2 gill-inch. 



do 



..._do 



..._do_ 



._._do_ 



Pound. 



....do 



Depth, in 

 fathoms 



11 

 12 

 28-32 

 32 

 28 

 4 



8-12 

 12-18 

 15-25 

 15-25 



8-10 

 4 



Preserved 

 specimens 

 examined 



1 

 2 

 1 



2 

 1 

 2 



22 

 5 

 1 



14 

 4 

 3 

 3 

 3 



i Wisconsin Geological Survey collection. 



