Comparative study of birds beaks and feet from thesis CXXXII 'Fundamenta ornithologica' by Andreas Petr. Baeckman, 1765, published in volume 7 of Amoenitates academicae (Stockholm, 1769). Amoenitates academicae ('Academic delights', 10 volumes, 1749-1790) was published in Carl Linnaeus's name, and edited by him (vols 1-7) and J C D Schreber (vols 8-10). It consisted of theses presented and defended by students at Uppsala University.
Original: engraving. 1769
Comparative study of birds beaks and feet from Linnaeus's 'Academic delights' appears in: