كتب ذات صلة

Studies in the theory of descent.

Rhopalocera exotica being illustraions of new, rare, and unfigured species of butterflies

Papilio.

Mimicry in butterflies.

• The study of the evergreens in the public schools.
  المؤلفون: Weed, Clarence Moores
• Spraying crops why, when, and how
  المؤلفون: Weed, Clarence Moores
• The school garden book
  المؤلفون: Weed, Clarence Moores ,  Emerson, Philip