United States or Mauritania ? Vote for the TOP Country of the Week !
'Modern Classification of Insects, vol. i. p. 172: Siagonium, p. 172. Some male beetles, which seem ill-fitted for fighting, nevertheless engage in conflicts for the possession of the females. Mr. 'The Malay Archipelago, vol. ii. 1869, p. 276. They pushed at each other with their rostra, and clawed and thumped, apparently in the greatest rage."
Shyness of adorned male birds; Siagonium, proportions of the sexes in; dimorphism in males of. Siam, proportion of male and female births in. Siamese, general beardlessness of the; notions of beauty of the; hairy family of. Sidgwick, H., on morality in hypothetical bee community; our actions not entirely directed by pain and pleasure.
In the Staphylinidae, the horns of the males are extraordinarily variable in the same species, just as we have seen with the Lamellicorns. In Siagonium we have a case of dimorphism, for the males can be divided into two sets, differing greatly in the size of their bodies and in the development of their horns, without intermediate gradations.
Word Of The Day