كتب ذات صلة

Variation and correlation in the crayfish with special reference to the influence of differentiation and homology of parts.

On the so-called Dimorphism in the Genus Cambarus.

Observations on the Astacidae in the United States National Museum and in the Museum of Comparative Zoology with descriptions of new species.

Notes on North American Crayfishes, family Astacidae.

• The flora of Boulder, Colorado, and vicinity
  المؤلفون: Daniels, Francis Potter
• The flora of Boulder, Colorado, and vicinity.
  المؤلفون: Daniels, Francis Potter