  T HE "Scientific American" is printed with CHAS. ENEU JOHNSON & CO.'S INK. Tenth and Lombard sts. Philadelphia, and 59 Gold st. New York. |
| Transcriber's Note: As far as possible I have maintained the original appearance of Scientific American, including the spacing of initials in the text. In general, personal initials and initials of American states (e.g. N. Y.) are spaced; academic initials are not. |
