Breeding behaviour of the emperor penguin
Man has very seldom had the opportunity of observing the breeding behaviour of Aptenodytes forsteri, the emperor penguin. Few rookeries have so far been discovered; all are around the coast […]
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Man has very seldom had the opportunity of observing the breeding behaviour of Aptenodytes forsteri, the emperor penguin. Few rookeries have so far been discovered; all are around the coast […]
For estimating the age of mammals such widely differing characters as coat colour, size, skull proportions and sutures, ossification, numbers of corpora albicantes, changes in the lens of the eye, […]
For many years, in the course of fisheries investigations, large numbers of fish have been marked by means of numbered metal tags. Other marking methods, such as dyeing, branding and […]
During the last two decades the sledging ration used by British antarctic expedition has gradually been standardized and recent minor variations have had little effect on total calorie value. It […]
In previous reconstructions of Gondwanaland the Falkland Islands have been placed in a position intermediate between the Cape Province and Northern Argentina. In the present paper it is suggested on […]