كتب ذات صلة

Wild nature''s ways

What Mr. Darwin saw in his voyage round the world in the ship "Beagle."

A voyage of discovery into the South Sea and Beering''s straits, for the purpose of exploring a north-east passage, undertaken in the years 1815-1818, at the expense of His Highness ... Count Romanzoff, in the ship Rurick, under the command of the lieutenant in the Russian imperial navy, Otto von Kotzebue.

A voyage of discovery into the South Sea and Beering''s straits, for the purpose of exploring a north-east passage, undertaken in the years 1815-1818, at the expense of His Highness ... Count Romanzoff, in the ship Rurick, under the command of the lieutenant in the Russian imperial navy, Otto von Kotzebue.

• Use of feather minerals as biological tracers to determine the breeding and molting grounds of wild geese
  المؤلفون: Hanson, Harold C. ,  Jones, Robert L.
• The nest biology of the bees : Andrena (Melandrena) regularis Malloch and Andrena (Melandrena) carlini Cockerell (Hymenoptera: Andrenidae)
  المؤلفون: Schrader, Martha Northam. ,  LaBerge, Wallace E.
• Control of elm diseases in nursery elm plantings
  المؤلفون: Carter, J. Cedric