Some obvious minor typographical, lay-out and punctuation errors and inconsistencies have been corrected silently.

Footnotes, tables and illustrations have been moved out of text paragraphs.

Plate I: the heading PLATE I has been inserted as in other plates.

Page 25: ... their lumen marrowed ... changed to ... their lumen narrowed ....

Page 229: (See Chapter XXXV.) changed to (See Chapter XXXVI.)

Page 234: (See Chapter LVI.) changed to (See Chapter LVII.)

Page 266, 267: Numbers 2 and 3 inserted before subsection headings Tubulodermoids and Ovarian Dermoids and Teratomas.

Page 278: (See Aneurysm, Chapter XXVIII.) changed to (See Aneurysm, Chapter XXIX.)

Page 293: ... will be found in Chapter IX. changed to ... will be found in Chapter X.

Page 332, caption Plate XXX: Chapter XXVII changed to Chapter XXVIII.