Livres associés

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.

Monograph of the North American Astacid�.

• Modes of research in genetics.
  Auteur(s): Pearl, Raymond
• Modes of research in genetics
  Auteur(s): Pearl, Raymond
• Man the animal
  Auteur(s): Pearl, Raymond ,  Pearl, Maud M. De Witt.

• Bursa bursa-pastoris and Bursa heegeri biotypes and hybrids.
  Auteur(s): Shull, George Harrison
• The coral Siderastrea Radians and its postlarval development
  Auteur(s): Duerden, J. E.
• Coloration in polistes
  Auteur(s): Enteman, Wilhelmine M.