Transcriber's Notes:
Words and phrases in italics are surrounded by underscores, _like this_.
Spelling changes:
acqainted to acquainted, ... thoroughly acquainted with ...
patrolatum to petrolatum, ... white petrolatum is a few cents ...
PRACAUTION to PRECAUTION, ... THE PRECAUTION USED TO PREVENT ...
pertoneal to peritoneal, ... into the peritoneal cavity ...
urtehrotomy to urethrotomy, ... by internal urethrotomy ...
protrusian to protrusion, ... leaving hernial protrusion,...
Opthalmology to Ophthalmology, advertisement at end of book
Added missing period at end of chapter, ... reaction is well marked.