It has been found difficult in many cases to conceive a use of the light to the luminescent organism, despite the large number of possibilities of ecological significance which have been suggested (vide Mangold, 1910, pp. 326-32; Kemp, 1910, p. 649; Putter, 1911, p. 487; Harvey, 1920, pp. 81-4; Rauthcr, 1927, pp. 162-6; Harvey, 1942, pp. 58-87). This difficulty has led to the conclusion by some…
In a population in which the sexual nature of the individuals is not subject to change, the sex-ratio of a given brood as determinable in practice may be different at different times if there is a differential rate of maturation for the two sexes, or a differential death rate. Excluding from present consideration the periods in the life of the population at which these differentials may operate…
Ind/10/01/2025
Validasi 16/05/25rnMany people have helped me with advice and encouragement since 1 began collecting material for this book in 1979. Special thanks are due to a number of survivors who guided me in my researches, spoke to me about their own experiences, or gave me contemporary documents connected with their own fate and that of their families.rn
Saif 9/4/2025
Ind/19/03/2025
Saif 19/03/25
Ind/22/01/2025