كتب ذات صلة

The living cycads

• American fossil cycads
  المؤلفون: Wieland, G. R.
• American fossil cycads
  المؤلفون: Wieland, G. R.
• The osteology of Protostega
  المؤلفون: Wieland, G. R.

• Variation and correlation in the crayfish with special reference to the influence of differentiation and homology of parts.
  المؤلفون: Pearl, Raymond
• Bursa bursa-pastoris and Bursa heegeri biotypes and hybrids.
  المؤلفون: Shull, George Harrison
• The coral Siderastrea Radians and its postlarval development
  المؤلفون: Duerden, J. E.