Stray lecture notes on birds, undated, but probably notes from Linnaeus pater's lectures. Contains:
- 4 ff, quarto, initially entitled 'Delineatio Piscium' but containing the introduction to bird morphology and description of the main bird classes.
- 2 ff, folio, initially folded into 4, starting 'När mar' (crossed out), with main tenets of bird morphology.
- 1 f., folio, folded, with notes on bird morphology.
- 1 f., octavo, with notes on the orders 'Grallae', 'Gallinae', 'Passeres'.
- 2 ff, quarto, with notes on 'Anas Anser', and drawings of hunting nets.
- 1 f., quarto (cut), on bird behaviour and birdkeeping.
- 1 f., folio, torn, initially folded into 4, with annotations on moutling and migration in ink, and botanical notes in pencil.
- 2 ff, quarto, notes on bird anatomy, not in Linnaeus fil.'s hand.