. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 354 EDWARD F. ADOLPH The first point on the growth curve, which is the egg weight, was always determined not by measurement of the single egg hut by meas- urement of a large sample of eggs from the clutch. A frequency dis- tribution for egg volume is obtained which is always approximately normal, as is shown for one large sample in Fig. 2. Only small dif- ferences in mean embryo volume (less than 25 per cent) were found 2000 1000 200 10 '• Ml 1 J). 1 £ 00 1 -a o CO. Ace in days 10 30 35 40 FlG. 3. drouth in weight of brood A
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 354 EDWARD F. ADOLPH The first point on the growth curve, which is the egg weight, was always determined not by measurement of the single egg hut by meas- urement of a large sample of eggs from the clutch. A frequency dis- tribution for egg volume is obtained which is always approximately normal, as is shown for one large sample in Fig. 2. Only small dif- ferences in mean embryo volume (less than 25 per cent) were found 2000 1000 200 10 '• Ml 1 J). 1 £ 00 1 -a o CO. Ace in days 10 30 35 40 FlG. 3. drouth in weight of brood A' at 19° C. under optimum conditions, is plotted, as in all the subsequent charts, on a logarithmic scale. Solid points represent 64 or 32 individuals weighed tngi-tlu-r; open points, single indi- \ "Itials isolated in 1000 cc. of water. between tin- first cleavage stages and late gaMrula stages. This conclu- sion may aK !><• drawn from tin- data of l'.ialas/r\vicz (1908) on Rana ti'in/'oniriu. though some data of Morgan (1906) seem to indicate a significant innca^c uf total volume during blastocoele formation. Altogether over 800 embryos of Rana /i/'/1/V;/\ have been measured, with a mean weight of ; milligrams. Significant differences occur. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
