Vietnam or Thailand ? Vote for the TOP Country of the Week !
This latter circumstance is well known to occur with most Lepidoptera, as well as with other insects. So that, as M. Personnat remarks, the males of the domesticated Bombyx Yamamai, are useless at the beginning of the season, and the females at the end, from the want of mates. Quoted by Dr. Mr.
Pernis cristata. Perrier, M., on sexual selection; on bees. Perseverance, a characteristic of man. Persians, said to be improved by intermixture with Georgians and Circassians. Personnat, M., on Bombyx Yamamai. Peruvians, civilisation of the, not foreign. Petrels, colours of. Petrocincla cyanea, young of. Petrocossyphus. Petronia. Pfeiffer, Ida, on Javan ideas of beauty.
Bombus, difference of the sexes in. Bombycidae, coloration of; pairing of the; colours of. Bombycilla carolinensis, red appendages of. Bombyx cynthia, proportion of the sexes in; pairing of. Bombyx mori, difference of size of the male and female cocoons of; pairing of. Bombyx Pernyi, proportion of sexes of. Bombyx Yamamai, M. Personnat on; proportion of sexes of.
Word Of The Day