Let me illustrate this following Siegel's anecdotical approach with some experiences I had at Leiden University some 15 years ago and in Jakarta even longer ago.
The perception that Greenland halibut may be a pelagically distributed species has primarily been based on assumptions, anecdotical information, and circumstantial evidence.
There is anecdotical evidence of small quantities of asbestos having been used in a factory producing printing machines in the gaskets for the hoods of the drying sections and in a textile (silk) workshop in pipe laggings.
Although there is no internationally comparable database on tuition fees, this anecdotical evidence suggests that tuition fees remain very low in Switzerland compared to some other countries.