596 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
Page. 
Salmo fontinalis at Northville hatchery -. 3 
eggs for hatching box... 1 
Salmo iridea at Northville hatchery... --. 3 
eggs for Clark’s hatching box 1 
Salmo namaycush at Northville hatchery - 3 
inimical to whitefish - - . iz 
Salmo quinnat at Northville hatchery ---. 3 
Separation of eggs -..-.--.--------------- 18 
Shaw, B. F., whitefish eggs sent to. ------ 24, 26 
Shipping of eggs..--..-.-.-------------- 24 et seq. 
Slaghtwleydutieslofee--eetaes--neee noses 19 
Spawn, arrangement for transportation - - i 
Spawn gathering at Alpena, Mich..-..--- 7 
difficulties encountered. if 
operations. .-...-=.-..---- 6 
takers, instructions to....--......- 8, 9,16 
taking operations at Alpena...-.. 16 
at the Bar’s Islands. ..-.-.- 12 et seq. 
concluding remarks ..-...-- 16 
Stilwell, E. M., whitefish eggs sent to.... 24, 25 
Sweeney, R. O., whitefish eggs sent to... 24, 27 
Temperature observations at Northville 38,39,40,41 
Thymallus tricolor, at Northville, Mich.. 3 
Trout ponds at Northville hatchery..-..-. 3 
Water-supply at Northville hatchery .... 3 
Watkins, S.S., disposition of eggs -...... 28 
Whitefish, report on propagation of....-. 1 
Whitefish, preparatory work .........--- 
propagation, first work...-.. c 
spawn-gathering operations. . 
floating DOXES sas «cisen'<sianie'nioe 
record of spawn-taking .....- 
spawn taking at Alpena....-- 
Comparisoniotens jee sso 
eggs, difficulty of obtaining... 
operations at hatchery .- 
hatching boxes .-....--.- 
hatching jars.....-..- 5 
hatching, comparatively easy - 
yield of eggs ..----- 
retarding eggs -....- 
Weeks, S., whitefish eggs sent to......... 
shippinovee gst peace as eee eree 
disposition of the fry.--.--.--- 
food of the young fishes. .-.--- 
fry from the spring ....------. 
fry from the hatechery.......-.. 
earliest food of the .......---.. 
SUMMALY eos eee ea see ese ee 
temperature observations ...-- 
Weirs, Peter, services of ..-....-.---..--- 
Woodbury, J. G., whitefish shipments - --. 
Wright, Hon. H. B., whitefish eggssent to 
Yield of whitefish eggs ...............-.- 
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4 
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6, 16 
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12 
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18 
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24 
32 
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37 
38 
6,8 
30 
31 
3) 
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