Royal Society of london. Proceedings. (Indexes ) ¥3210.1 Royal Society of London. Philosophical trans-
actions ... (Card 10) INDEXES ¢ (Continued) Series B. Vols. 230-235 (no. 574-622) 1941-50, with series A, v. 239-213.
The Philosophical transactions are indexed for the years 1800-1900 in the Royal Society's "Catalogue of scientific papers," (cataloged
(Continued @ next card)