Part 68

Xavier, Marie François (1771-1802), 219

Yellow Fever, 172, 194, 198, 200, 201, 272; history of, 273-80

Yersin, Alexandre (1863-), 253, 263

York, 288-9

Young, Thomas (1773-1829), 217, 319-20

Zürich, 215, 253, 294

Transcriber’s Notes.

Italic text is indicated with underscores, bold text with =equals=. Small/mixed capitals have been replaced with ALL CAPITALS.

Evident typographical and punctuation errors have been corrected silently. Inconsistent spelling/hyphenation has been normalised.

The usage of "cholestrol" is the author’s.

A half-title and chapter title reiteration have been discarded.

To improve text flow, illustrations have been relocated between paragraphs.

Cover art created for this eBook is granted to the public domain.