GREAT LAKES COREGONIDS 



627 



Table 91. — Numerical expressions of certain systematic characters for 10 specimens of Coregonus 

 clupeaformis from Lake Nipigon, selected according to size 



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 



67251 



Source of Nipigon 





































River 



206 



10+17 



Im.cf 



86 



4.3 



5.4 



8.5 



9.8 



2.8 



6.4 



3.9 



7.9 



2.0 



2.1 



2.6 



3.4 



57253 



do 



203 



11+17 



Im.cf 



79 



4.3 



5.5 



8.8 



10.1 



2.9 



6.3 



4.0 



8.8 



2.1 



2.0 



2.6 



3.3 



57255 



do 



213 



11+17 



Im. 9 



77 



4.4 



5.6 



9.6 



9.1 



2.8 



6.8 



3.8 



9.6 



2.5 



2. 1 



2.6 



3.5 



57289 



do 



216 



11+16 



Im.cf 



78 



4.4 



5.6 



8.0 



8.5 



2.7 



6.5 



4.0 



9.3 



2.3 



2. 1 



2.7 



3.4 



57328 



do 



212 



11+18 



Im.d' 



89 



4.4 



5.7 



8.5 



10.7 



2.7 



6.4 



3.9 



8.8 



2.2 



2. 1 



2.4 



3.3 



57323 



do 



373 



11+16 



9 



79 



4.8 



6.1 



7.9 



8.8 



2.6 



7.3 



3.3 



8.1 



2.1 



2.2 



2.8 



3.5 



57345 



Mouth of Black- 





































water River 



321 



10+17 



Im.? 



87 



4.7 



6.4 



7.4 



8.2 



2.7 



7.1 



3.5 



8.6 



2.4 



2.2 



3.0 



3.5 



57346 



do 



328 



10+17 



& 



87 



4.5 



5.7 



8.4 



8.8 



2.8 



6.9 



3.5 



8.2 



2.2 



2.2 



2.8 



3.6 



57598 



Mac diarm id, 





































Ontario 



325 



11+17 



Im.cf 



81 



4.6 



5.8 



7.5 



7.9 



2.6 



7.0 



3.3 



7.3 



2.2 



2.3 



2.8 



3.5 



67713 



Grand Bay 



410 



12+17 





84 



4.3 



5.5 



9.0 



9.0 



2.8 



7.7 



3.8 



7.4 



1.9 



2.1 



2.6 



3.4 



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 



Wt. 



67251 



Source of 

 Nipigon 









































Lb. oz. 





River 



4.2 



3.9 



2.8 



3.2 



2.3 



2.6 



10.4 



3.1 



2.2 



2.6 



1.8 



1.5 



11 



11 



12 



15 



1.6 



1.2 



9 



3.5 



57253 



do 



4.3 



3.9 



3.0 



3.6 



2.4 



2.7 



11.1 



3.0 



2.3 



2.8 



1.8 



1.6 



10 



11 



11 



16 



1.6 



1.1 



9 



3 



57255 



do 



4.4 



3.9 



3.0 



3.7 



2.4 



2.8 



10.0 



3.1 



2.4 



2.9 



1.7 



1.7 



10 



11 



12 



15 



1.7 



1.1 



9 



4 



57289 



do 



4.4 



4.0 



3.1 



3.9 



2.4 



2.5 



9.0 



3.1 



2.4 



3.0 



1.6 



1.4 



11 



13 



12 



16 



1.6 



1.1 



8 



4.5 



57328 



do 



4.3 



3.9 



3.0 



3.6 



2.4 



2.6 



10.0 



3.0 



2.3 



2.8 



2.0 



1.5 



10 



11 



11 



16 



1.5 



1.2 



10 



3.5 



57323 



do 



4.5 



4.7 



3.6 



3.9 



2.4 



2.4 



11.0 



3.7 



2.8 



3.1 



1.9 



1.6 



11 



12 



11 



15 



1.4 



1.0 



9 



1 11.5 



67345 



Mouth of 

 Black- 

 water 













































River 



4.8 



4.5 



3.3 



4.1 



2.5 



2.4 



10.8 



3.3 



2.4 



3.0 



1.7 



1.6 



12 



11 



11 



16 



1.3 



1.0 



9 



15.5 



57346 



do 



4.5 



4.2 



3.2 



3.9 



2.4 



2.3 



10.2 



3.4 



2.5 



3.1 



1.6 



1.5 



10 



12 



11 



16 



1.5 



1.1 



8 



1 2 



57598 



M a c d i - 

 armid, 













































Ontario... 



4.4 



4.7 



3.2 



3.6 



2.3 



2.5 



11.6 



3.7 



2.5 



2.9 



1.8 



1.5 



11 



12 



11 



16 



1.3 



1.0 



9 



1 3.5 



67713 



Grand Bay. 



4.4 



4.8 



3.1 



3.3 



2.4 



2.8 



10. 1 



3.8 



2.4 



2.6 



1.6 



1.6 



11 



12 



11 



15 



1.4 



1.1 



9 



2 2 



Table 92. — Records of the occurrence of Coregonus clupeaformis in Lake Erie 



[For each record is given, if known, the date and locality, the kind of gear used to make it, and the total number of preserved 



specimens examined] 



Port from which nets were set 



Date 



Location 



Kind of net 



Preserved 

 specimens 

 examined 



Monroe, Mich 



1920 







2 



Toledo, Ohio 



Nov. 27, 1920 

 Nov. 29, 1920 

 Oct. 23, 1920 

 Oct. 24,1920 



12 miles east 



Trap.. 



3 





Around Bass Islands 



do 



5 



Ashtabula, Ohio 



14 miles NE. by N 



4%-ineh gill 



2 



Erie, Pa 



12 miles N. by E 



do 



4 



Borrowed specimens: 



Erie, Pa. 1 







1 











1 













1 U. S. National Museum collection. 



