Astacus (the crayfish)
Sign in to track this film in your collection or want list.
The crayfish is examined as an example of an animal having an external skeleton; the function and structure of each individual part of the skeleton is studied. Detailed consideration is given to the male and female reproductive organs, the arterial system, the nervous system, and the process of feeding and digestion.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
Original permalink · Record added 2026-01-23 03:15:45