Pheasant, Tragopan, display of plumage by the male; marking of the sexes of the. Pheasants, period of acquisition of male characters in the family of the; proportion of sexes in chicks of; length of the tail in. Philters, worn by women. Phoca groenlandica, sexual difference in the coloration of. Phoenicura ruticilla. Phosphorescence of insects. Phryganidae, copulation of distinct species of.
Hist. of Selborne, edit. of 1825, vol. i. p. 139. On the Phoenicura, see Loudon's 'Mag. of Nat. Hist. vol. vii. 1834, p. 245. These facts well deserve attention. How is it that there are birds enough ready to replace immediately a lost mate of either sex?