1. Rationalism and embryology: Caspar Friedrich Wolff's theory of epigenesis

   • Shirley A. Roe

   OriginalPaper Pages: 1 - 43

2. The Vesalian movement in sixteenth-century Spain

   • José M. López Pióero

   OriginalPaper Pages: 45 - 81

3. Was Aristotle's biology sexist?

   • Johannes Morsink

   OriginalPaper Pages: 83 - 112

4. William Beaumont and the ethics of human experimentation

   • Ronald L. Numbers

   OriginalPaper Pages: 113 - 135

5. Mendel and Meiosis

   • Alice Baxter
   • John Farley

   OriginalPaper Pages: 137 - 173

6. The young Darwin

   • Silvan S. Schweber

   Essay Review Pages: 175 - 192

7. The J. H. B. archive report the Joseph Erlanger collection at Washington University School of Medicine, St. Louis

   • Robert G. Frank Jr.

   OriginalPaper Pages: 193 - 201

8. The J. H. B. bookshelf

   • Robert G. Frank Jr.
   • Diana Long Hall

   BookReview Pages: 203 - 210