Livres associés

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.

• Phalangida from tropical America
  Auteur(s): Goodnight, Clarence J. ,  Goodnight, Marie L

• The genus Conotrachelus Dejean (Coleoptera, Curculionidae) in the north central United States
  Auteur(s): Schoof, Herbert Frederick
• Generic relationships of the Dolichopodidae (Diptera) based on a study of the mouth parts
  Auteur(s): Cregan, Mary Bertha
• The embryology of Larix
  Auteur(s): Schopf, James Morton