Carl Robert Osten -Sacken profile picture

Carl Robert Osten -Sacken

Is this your author profile? Create an account to claim and customize it!

Stand Alone

Monographs of the Diptera of North America
Record of my life-work in entomology
Catalogue of the described Diptera of North America
Catalogue of the described Diptera of North America
Catalogue of the described Diptera of North America
Monographs of the Diptera of North America: prepared for the Smithsonian Institution by R. Osten Sacken