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Keywords from Image Description:
Biologische Untersuchungen TAF. XXI . GUSTAF RETZIUS Spermien anthropoider Affen Frommanistsche Linien Biol Unters Band XV Tap XXL Simia satyrus Homo Frommann'sche Linien bei Selachiern es Gez Retzitts Lichtdruck ton Lagrelius Westphal Stockholm TAF XXI Illustration XV biodiversitylibrary org title Frst