Der Lichtsinn augenloser Tiere : eine biologische Studie.

Licence: Public Domain Mark

Credit: Der Lichtsinn augenloser Tiere : eine biologische Studie. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.