ROSES. -origin of. -bud-variation in. -Scotch. -doubled by selection. -continuous variation of. -effect of seasonal conditions on. -noisette. -galls of.
ROSS, Dr., on Pangenesis.
ROUENNAIS, rabbit.
ROUJOU, polydactylism, and arrested development.
ROULIN, on the dogs of Juan Fernandez. -on South American cats. -striped young pigs. -feral pigs in South America. -on Columbian cattle. -effects of heat on the hides of cattle in South America. -fleece of sheep in the hot valleys of the Cordilleras. -diminished fertility of these sheep. -on black-boned South American fowls. -variation of the guinea-fowl in tropical America. -frequency of striped legs in mules. -geese in Bogota. -sterility of fowls introduced into Bolivia.
ROY, M., on a variety of Magnolia grandiflora.
ROYLE, Dr., Indian varieties of the mulberry. -on Agave vivipara. -variety of rice not requiring irrigation. -sheep from the Cape in India.
Rubus, pollen of.
RUDIMENTARY organs.
RUFZ DE LAVISON, extinction of breeds of dogs in France.