[58] Lieutenant Colwell, United States Navy.
[59] Naval Intelligence, General Information Series No. 5.
[60] “Recent Naval Progress.”
[61] From the General Information Series No. V., U. S. Naval Intelligence Office.
TRANSCRIBER’S NOTE
Footnotes [13] and [14] have multiple anchors on [page 47].
Footnote [25] has multiple anchors on [page 76].
Footnotes [53], [54] and [56] have multiple anchors on [page 228].
The illustrations on pages 90, 254 and 257 were vertical and have been rotated to the horizontal.
Some illustrations have been moved several pages to be closer to the related text.
The table on [page 184] of the original book was very wide, and has been split into 3 parts.