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A total of 111 male reindeer of various ages was shot in all months of the year to study the relationship between the seasonal changes in testicular activity and the […]
The ages of South Georgia Reindeer collected from the introduced herds, and of carcasses from natural deaths were determined using patterns of tooth replacement and eruption, and annulations in the […]
In a sample of reindeer from South Georgia, 4 males were abnormal in that 1 had bilateral cryptorchid testis, 2 each had 1 cryptorchid testis and 1 had a vestigial […]
Actomyosins have been isolated from the white skeletal muscles of fish inhabiting thermal environments with characteristically low seasonal temperature variations for example, Antarctica, arctic rivers and the equatorial oceans. Calcium […]
Penguins (Sphenisciformes) are a remarkable order of flightless wing-propelled diving seabirds distributed widely across the southern hemisphere. They share a volant common ancestor with Procellariiformes close to the Cretaceous-Paleogene boundary […]
A preliminary analysis shows that magnetic variations of periods 16 to 60 minutes at South Georgia are strongly polarized in a NNE’ly direction. The effect is observed at all seasons […]