A System of Logic: Ratiocinative and Inductive, 7th Edition, Vol. II
CHAPTER I. _Of Observation and Description.
ยง 1. Observation, how far a subject of logic 183
2. A great part of what seems observation is really inference 184
3. The description of an observation affirms more than is contained in the observation 187
4. --namely an agreement among phenomena; and the comparison of phenomena to ascertain such agreements is a preliminary to induction 190