Stridulation, by males of Theridion; of Hemiptera; of the Orthoptera
and Homoptera discussed; of beetles.
Stripes, retained throughout groups of birds; disappearance of, in
adult mammals.
Strix flammea.
Structure, existence of unserviceable modifications of.
Struggle for existence, in man.
Struthers, Dr., on the occurrence of the supra-condyloid foramen in the
humerus of man.
Sturnella ludoviciana, pugnacity of the male.
Sturnus vulgaris.
Sub-species.
Suffering, in strangers, indifference of savages to.
Suicide, formerly not regarded as a crime; rarely practised among the
lowest savages.
Suidae, stripes of the young.
Sulivan, Sir B.J., on speaking of parrots; on two stallions attacking a
third.
Sumatra, compression of the nose by the Malays of.
Sumner, Archb., man alone capable of progressive improvement.
Sun-birds, nidification of.
Superciliary ridge in man.
803