Report of the Commissioner - United States Commission of Fish and Fisheries . ollections amount-ing to 437,200,000, the greatest number withone exception ever secured in one season atPut-in Bay Station. The first eggs werereceived April 4 and the last April ID, thetotal yield from the various fields being asfollows: Toledo field, 246,850,000; PortClinton field, 126,800,000; Monroe field, 63,550,000. Of these eggs 66,000,000 were shipped to State fish conmiissionsand on other assignments, leaving a l)alance of 371,200,000 on hand tobe hatched at the station. Of those retained 48 per cent hatche
Report of the Commissioner - United States Commission of Fish and Fisheries . ollections amount-ing to 437,200,000, the greatest number withone exception ever secured in one season atPut-in Bay Station. The first eggs werereceived April 4 and the last April ID, thetotal yield from the various fields being asfollows: Toledo field, 246,850,000; PortClinton field, 126,800,000; Monroe field, 63,550,000. Of these eggs 66,000,000 were shipped to State fish conmiissionsand on other assignments, leaving a l)alance of 371,200,000 on hand tobe hatched at the station. Of those retained 48 per cent hatched, andthe resulting 143,000,000 fry were disposed of as shown bj^ the tablesof distribution. The loss on the eggs was much greater this seasonthan last, being 52 per cent as against a record of 34 per cent theprevious year. As the same spawn-takers were employed this 3^ear,and the methods were the same as last year, the only possible wayto account for the greater loss is the difference in the temperature ofair and water, the weather remaining cold and disagreeable through-. The Downing jar. REPORT OF COMMISSIONER OF FISH AND FISHERIES. 53 out the entire period of incul)ation, thus eausiuo- the Cj^^s to deveh)pvery .slowl}. Hatching- bejj;an May 8 and closed on May 12. The superintendent was criven authority to make some experimentswith the view to making improvements in the form of hatching jar,having in mind convenience in manipuhition and general , a jar was designed somewhat after the pattern of theChase jar, except that it has a glass instead of a metal spout and ismade smaller at the top than at the bilge, thus concentrating the cur-rent of water and giving a good motion to the eggs at the top as wellas at the bottom. The new jar was received January 18 and a poorlot of eggs placed in it. It was found that these eggs cleaned upfaster in the new jar than in any of the older forms, that about a quartmore eggs could be worked in it than in either of the oth
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfisheries, bookyear19
