LIII. DISCOVERY BY INVESTIGATING LIKELY CIRCUMSTANCES 486
a. By Examining Neglected Truths and Hypotheses, 487.
b. By Examining Peculiar or Unexplained Truths in
Science, 487. c. By Investigating Unexplained Phe-
nomena Observed in Manufacturing and other Opera-
tions, 495. d. By the Investigation of Exceptional
Cases, 498. e. By Examining Extreme Cases and Con-
spicuous Instances, 500. f. By Examining Common
but Neglected Substances, 501. 9. By Investigating
Peculiar Minerals, 503. h. By Examining Rare Sub-
stances, 504. i. By Examination of the Residues of
Manufacturing Processes, 505. j. By Examining the
Ashes of Rare Plants and Animals, 507.