. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. MONTHS Text-fig. 36. Monthly mean foetal lengths for all pregnant females (solid line) and for primiparous females (dotted line). 0,1,2, J F M J J A MONTHS Text-fig. 37. Monthly frequencies of conception for different classes of pregnant females. P,, first pregnancy diagnosed from mammary glands; o, 1, 2 and 0-1, number of corpora albicantia. The mean conception dates ± 2 are indicated. There are conspicuous differences in the timing of the pregnancy of primiparous females compared wi
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. MONTHS Text-fig. 36. Monthly mean foetal lengths for all pregnant females (solid line) and for primiparous females (dotted line). 0,1,2, J F M J J A MONTHS Text-fig. 37. Monthly frequencies of conception for different classes of pregnant females. P,, first pregnancy diagnosed from mammary glands; o, 1, 2 and 0-1, number of corpora albicantia. The mean conception dates ± 2 are indicated. There are conspicuous differences in the timing of the pregnancy of primiparous females compared with multiparous females. In Text-fig. 36 the mean monthly foetal lengths for all pregnant females and for females known to be primiparous, from examination of the mammary glands, are set out for comparison. The rates of growth of both groups of foetuses appear to be similar, but the first-pregnancy 'oetuses seem to be retarded by about a month compared with those of multiparous 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 Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press
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