. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 186 RICHARD A. BOOLOOTIAN, A. FARMANFARMAIAN AND A. C. GIESE o .20 o Ld CO (O 8,5 O O in o z o 1-05. M A M J J A MONTH OF YEAR N FIGURE 2. Gonad index of the abalone, H. crachcrodii, for the period December, 1956 to December, 1957. The circles are the mean values and the vertical lines are the 95% confi- dence limits. August, during which the gonads are at the height of their activity. These curves suggest that materials are mobilized from the hepatic gland for the growth of the gonad. Examination of gametes throughout the y


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 186 RICHARD A. BOOLOOTIAN, A. FARMANFARMAIAN AND A. C. GIESE o .20 o Ld CO (O 8,5 O O in o z o 1-05. M A M J J A MONTH OF YEAR N FIGURE 2. Gonad index of the abalone, H. crachcrodii, for the period December, 1956 to December, 1957. The circles are the mean values and the vertical lines are the 95% confi- dence limits. August, during which the gonads are at the height of their activity. These curves suggest that materials are mobilized from the hepatic gland for the growth of the gonad. Examination of gametes throughout the year showed active sperm and ripe eggs from June to October. Ripe gametes obtained by gonadal biopsies, however, could not be fertilized. LU 0) (O V) o CJ in .20 .10 o £j .05. 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