Punctuation has been corrected without note.
The following misprints have been corrected:
missing "a" added (Abstract)
"sacrificator" corrected to "scarificator" (page 2)
"Ristelheuber" corrected to "Ristelhueber" (page 14)
"Pheonix" corrected to "Phoenix" (page 14)
missing note marker 127 added
"canula" corrected to "cannula" (page 38)
"rachet" corrected to "ratchet" (page 41)
"ocilloscope" corrected to "oscilloscope" (page 41)
"NHMT" corrected to "NMHT" (page 44)
"Divison" corrected to "Division" (page 47)
"Pennyslvania" corrected to "Pennsylvania" (page 48)
"Federick" corrected to "Frederick" (page 48)
"has has" corrected to "has (page 48)
"sacrificator" corrected to "scarificator" (page 48)
"Sacrificator" corrected to "Scarificator" (page 48)
"cylindical" corrected to "cylindrical" (page 53)
"Septemper" corrected to "September" (Note 3)
"Hypochrondriasis" corrected to "Hypochondriasis" (Note 80)
"chirurguscher" corrected to "chirurgischer" (page 63)
"Joseph-Frederic-Benoit Charriere (1803-1973)" is presented as in the
original text.
Other than the corrections listed above, printer's inconsistencies in
spelling and hyphenation usage have been retained.