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Transactions - American Fisheries Society . st water-hardened. It isinteresting in several ways. Of course where you are measur-ing eggs in hundred million lots, like the whitcfish and pike-perch eggs, if there is an increase in the size and you use thesame measure in measuring eyed eggs, you are not measuringthem accurately. This really came up in connection with our trying to estab-lish standard measures. I find there is a chance for improvingour measure on some of the smaller eggs. When you get quartsof these fine eggs you can make a great deal of difference intotal output by a very sliglit

Transactions - American Fisheries Society . st water-hardened. It isinteresting in several ways. Of course where you are measur-ing eggs in hundred million lots, like the whitcfish and pike-perch eggs, if there is an increase in the size and you use thesame measure in measuring eyed eggs, you are not measuringthem accurately. This really came up in connection with our trying to estab-lish standard measures. I find there is a chance for improvingour measure on some of the smaller eggs. When you get quartsof these fine eggs you can make a great deal of difference intotal output by a very sliglit Stock Photo
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The Reading Room / Alamy Stock Photo

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2ANA48W

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7.1 MB (169.8 KB Compressed download)

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2094 x 1193 px | 35.5 x 20.2 cm | 14 x 8 inches | 150dpi

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Transactions - American Fisheries Society . st water-hardened. It isinteresting in several ways. Of course where you are measur-ing eggs in hundred million lots, like the whitcfish and pike-perch eggs, if there is an increase in the size and you use thesame measure in measuring eyed eggs, you are not measuringthem accurately. This really came up in connection with our trying to estab-lish standard measures. I find there is a chance for improvingour measure on some of the smaller eggs. When you get quartsof these fine eggs you can make a great deal of difference intotal output by a very sliglit variation, and no two fish culturistswill measure a quart of eggs alike. It is almost impossible forthe same fish culturist to measure two quarts accurately. Xowthis diagram is not complete, because we could not get the Avholescale onto this sheet. But it is made on the basis of the actual count of whitefisheggs, ^e know the actual diameters of the eggs, which werecounted ])y measuring several eggs in this little trough. Hsh Ejiy Measure. yy shaped trough ofmetai. A 1)1 ericaII Fisheries Suciety. 115 Then we eounted 33, 036 eggs to the quart, with the diameterof the eggs A 27. Xow in order to get the number to the quartyou come down to 12T on the scale and run down till you strikethis curve, and here should Ijc the actual number to the quart.Supposing you are propagating some new species like the rockfish and in a new field; it is a long and tedious task when busywith your work to find out what the aggregate number of eggs isto the quart. But you take the little trough and get your dia-meter and find that the diameter is .150 say. You run out hereon the 150 line of the curve and it reads 20, 000. This appearsto me as very interesting and very original. President: You have heard this most interesting summaryof experiments of the bureau of fisheries. Do they suggest anyremarks ? ][r. Meehan: The reference, by ]Ir. Titcomlj, to the lake inPennsylvania is interesting. The conditi

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