Removed unnecessary quote after "P. Slattery's Shades."

Changed "That was the true meaning" to "What was the true meaning."

Changed "clastered" to "clustered."

Changed "fasionable" to "fashionable."

Changed "suddenly appear within" to "suddenly disappear within" (error found in New York Detective Library edition but not in Boys of New York text).

Added missing "it" to "Frank took the document from his pocket and placed it in his hands" (based on consultation of original Boys of New York appearance).

Added missing long dash after "who was said--who" (based on consultation of original Boys of New York appearance).

Changed "churchyard" to "church-yard" for consistency (twice).

Changed "cotemplating" to "contemplating."

Removed unnecessary quote after "And yet——."