624 



BULLETIN OF THE BUREAU OF FISHERIES 



Table 84. — Records of the occurrence of Coregonus clupeaformis in Lake Huron 



For 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] 



Port from which nets were set 



Date 



Location 



Kind of net 



Depth, 



in 

 fathoms 



Preserved 

 specimens 

 examined 



Lake Huron proper: 

 St. Ignace, Mich... 

 Cheboygan, Mich. 



Rogers, Mich. 

 Alpena, Mich. 



East Tawas, Mich 



Bay City, Mich 



Providence Bay, Ontario. 



Duck Islands, Ontario 



North Channel: 



Kagawong, Ontario 



Gore Bay, Ontario. 



Georgian Bay: 



Wiarton, Ontario. 



Killarney, Ontario. 

 Borrowed specimens: 



Georgian Bay 1 



Bay Port, Mich.!.. 



July 

 July 

 Sept. 

 July 

 Aug. 

 Sept. 

 Sept. 

 Sept. 

 Sept. 

 Sept. 

 Oct. 

 Oct. 

 Sept. 

 Oct. 



Nov. 

 Oct. 

 Nov. 

 Nov. 

 Sept. 



Nov. 

 July 

 Nov. 

 Oct. 



17, 1917 

 21, 1917 

 28, 1919 

 24, 1917 

 13, 1917 

 17, 1917 

 21, 1917 

 22, 1917 

 24, 1917 

 26, 1917 

 22, 1917 

 25, 1917 

 29, 1919 

 22, 1919 



10, 1917 

 16, 1919 

 10, 1917 

 12, 1917 

 27, 1919 



5, 1917 

 29, 1919 

 29, 1919 

 12, 1919 



Off the city 



8 miles south 



Hammond Bay. 



15 miles southeast. 



13M miles SE. by S 



Off Sulphur Island 



do 



Between can buoy and Sulphur Island. 



13 miles SE. by S. of can buoy 



Off the city 



Saginaw Bay 



Pound 



4}4-inch gill. 



Pound 



4H-inch gill. 



do 



2%-inch gill. 



Pound 



do.. 



2M-inch gill. 



do 



Pound 



do 



OfE Cockburn Island. 



Off Clapperton Island. 



do- 



Off Barrie Island 



do 



do 



Pound . 

 ....do.. 



.do. 

 _do. 

 .do. 

 .do. 



7 miles above the city. 



Colpoys Bay 



do 



.do. 

 .do. 

 .do. 

 .do. 



5 



10-12 

 6 

 15 

 10 



15 

 5 

 5 



8-10 

 17 

 4 



1 



2 

 8 

 3 

 4 

 1 

 3 

 10 

 37 

 4 

 16 

 15 

 2 

 7 



4 



7 

 4 

 3 



10 



1 



6 

 2 

 16 



28 

 1 



Donated by Dr. B. A. Bensley. 



2 TJ. S. National Museum collection. 



Table 85. — Numerical expressions of certain systematic characters for 10 specimens of Coregonus 

 clupeaformis from Lake Huron, selected according to size and locality 



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 



71 



Cheboygan, Mich. 



470 



9 



10+17 



85 



4.6 



6.4 



8.5 



8.8 



3.0 



7.4 



3.6 



8.1 



2.2 



2.1 



3.0 



3.7 



1078 



Wiarton, Ontario. 



445 



Im.9 



11+17 



76 



4.7 



6.5 



9.3 



9.5 



2.8 



7.4 



3.5 



8.0 



2.2 



2.2 



3.0 



3.7 



1027 



Bay City, Mieh.. 



426 



e? 



10+16 



79 



4.9 



6.7 



8.5 



9.9 



2.9 



7.3 



3.7 



8.5 



2.3 



2.3 



3.1 



4.0 



1031 



do 



307 



Im.9 



10+15 



85 



5.0 



6.3 



9.0 



9.4 



2.8 



6.8 



4.2 



8.0 



1.8 



2.3 



2.9 



3.8 



' 543 



Alpena, Mieh 



307 



Im.9 



11+17 



89 



4.8 



6.8 



8.1 



9.2 



2.5 



6.7 



4.0 



9.0 



2.2 



2.2 



3.2 



3.7 



1936 



Wiarton, Ontario. 



306 



Im.cf 



11+17 



82 



4.7 



6.1 



8.1 



9.8 



2.7 



7.3 



4.3 



8.6 



1.9 



2.2 



2.9 



3.7 



2465 



Killarney, Ontario 



300 



Im.9 



11+17 



84 



4.7 



6.1 



9.0 



9.6 



2.7 



6.9 



4.2 



8.2 



1.9 



2.3 



3.0 



3.7 



1015 



East Tawas, Mieh. 



250 



Im.9 



9+17 



77 



4.7 



6.4 



9.0 



9.0 



2.4 



6.9 



3.9 



8.0 



2.0 



2.2 



3.0 



3.6 



1013 



do 



194 



Im.tf 



10+16 



85 



4.6 



6.1 



8.3 



9.7 



2.5 



6.5 



4.1 



7.4 



1.8 



2.1 



2.8 



3.5 



980 



do 



201 



Im.c?' 



10+16 



80 



4.7 



5.9 



8.3 



8.9 



2.6 



6.8 



4.2 



8.3 



1.9 



2.1 



2.6 



3.5 



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. 



71 



Cheboygan, 









































Lb. oz. 





Mich 



5. 1 



5.3 



3.4 



3.8 



2.6 



2.8 



10.2 



3.8 



2.5 



2.5 



2.0 



1.8 



11 



12 



11 



17 



1.4 



1.0 



9 





1078 



Wiarton, 





















Ontario- 



5.2 



5.4 



3.2 



3.6 



2.6 



2.3 



13.4 



3.9 



2.3 



2.6 



2.0 



1.8 



10 



12 



11 



16 



1.4 



1.0 



9 



2 9 



1027 



Bay City, 











































1031 



Mich 



5.5 



5.0 



3.4 



3.9 



2.5 



2.3 



11.4 



3.6 



2.5 



2.8 



2.1 



1.8 



11 



10 



11 



15 



1.3 



1.1 



9 



2 



do 



4.4 



4.5 



3.2 



3.7 



2.7 



2.7 



10.1 



3-5 



2.6 



2.9 



1.8 



1.7 



12 



12 



12 



16 



1.5 



1.1 



9 



13.5 



543 



Alpena, 













































Mich 



5.3 



4.5 



3.4 



3.9 



2.6 



2.6 



11.4 



3.2 



2.4 



2.8 



1.9 



1.7 



12 



12 



11 



15 



1.4 



1.1 



9 



13.5 



1936 



Wiarton, 













































Ontario... 



4.7 



4.6 



3.3 



3.7 



2.6 



2.8 



10.3 



3.6 



2.6 



2.9 



1.8 



1.7 



12 



11 



11 



16 



1.2 



1.0 



9 



12 



2465 



Killarney, 













































Ontario... 



4.9 



4.3 



3.5 



3.9 



2.5 



2.3 



9.7 



3.3 



2.8 



3.0 



1.7 



1.6 



11 



11 



11 



16 



1.5 



1.1 



9 



12.5 



1015 



East Tawas, 













































Mich 



4.8 



4.3 



3.2 



3.7 



2.5 



3.4 



10.5 



3.1 



2.4 



2.8 



1.8 



1.7 



12 



12 



11 



15 



1.6 



1.0 



9 



8 



1013 



do 



4.7 



4.1 



3.5 



4.5 



2.4 



2.6 



10.5 



3.0 



2.6 



3.4 



1.8 



1.5 



11 



10 



11 



15 



1.6 



1.3 



9 



3 



980 



do 



4.4 



4.0 



3.0 



3.6 



2.5 



2.5 



10.1 



3.2 



2.4 



2.8 



1.8 



1.6 



11 



11 



11 



15 



1.6 



1.2 



9 



4 



