1889 Scribner and Welford (US) title page shows colon inside double quotation marks, and subtitle-closing period; half-title page shows the short main title with period inside double quotation marks.
2007 Project Gutenberg edition differs greatly in Plain Text and HTML formats (no others viewed 2019-07-31). It is entered here under the full title, which the Plain Text ebook proper displays (two lines, no colon) over a By-line. The HTML title screen, so to speak, comprises three lines only (quote):
Produced by Nick Hodson of London, England
Harry Collingwood
"The Log of the Flying Fish"
- Data from Bleiler's "Science-Fiction: The Early Years" and L. W. Currey.
- Twelve inserted plates with illustrations.
- WorldCat library records suggest multiple printings/states.
{{OCLC|50723759}} states "[1886]" and several other records state "1887 [1886]", which suggests publication for the 1886 Christmas gift season, dated 1887 on the title page.