Note that that College of New Jersey is now called Princeton; The [current] College of New Jersey (capital-T-The, please) used be Trenton State.
That's cool!! Whoever did the dissection did a pretty good job. It looks like submandibular and parotid glands.
It's lovely dye work showing the ducts, especially since it's tricky not to nick the parotid duct where it crosses the masseter.