Transcriber's Notes

[HW:] contains handwritten errata notes, as listed above. Roman and Arabic numeral inconsistencies were retained. Minor punctuation errors and the following typos were corrected:
[CONTENTS]: Changed The 1853-55 Series from page 5 to 6.
Changed Addenda from page 105 to 104.
Page [3]: Changed "humilation" to "humiliation".
(it is an humilation to American philatelists)
Page [3]: Changed "unkown" to "unknown".
(timorous traveler to proceed into the unkown country)
Page [4]: Deleted duplicate "the".
(spacings between the the letters)
Page [5]: Changed "ascer" to "ascertained".
(easy manner, we have ascer [end of line] three important classes.)
Page [6]: Changed "proceeed" to "proceed".
(and the manufacture will at once proceeed.)
Page [7]: Changed "accordence" to "accordance".
(In accordence with the instructions of the United States Postal)
Page [7]: Changed "pecular" to "peculiar".
(artists, had pecular ideas of the manly beauty)
Page [7]: Deleted duplicate "the".
(expression runs the the gamut of meekness)
Page [8]: Changed "aquaintance" to "acquaintance".
(Die 1 are concerned, a thorough knowledge of, or aquaintance)
Page [31]: Deleted duplicate "the".
(Together with the the side-lock)
Page [40]: Changed "realty" to "reality".
(new SIX and TEN CENTS. In realty the latter two appeared)
Page [44]: Changed "broarder" to "broader".
(To give the philatelist a broarder hold on this issue)
Page [59]: Changed "bu" to "but".
(the SIX CENTS is very similar to the last one, bu)
Page [64]: Changed "uts" to "cuts".
(Class V.—Line falls outside of "W" and sometimes uts "O.")
Page [65]: Changed "luckly" to "lucky".
(a rarity possessed only by a few luckly mortals.)
Page [68]: Changed "contracter" to "contractor".
(the contracter for furnishing the Post Office Department)
Page [68]: Changed "vareties" to "varieties".
(five letters which differ greatly in many vareties.)
Page [69]: Changed "measurment(s)" to "measurement(s)".
(and the measurments are made as follows:)
(The student who employs these measurments)
(In case of doubt that single measurment is decisive.)
(the characteristic line measurment is mentioned)
Page [75]: Deleted duplicate "of".
(top stroke of of "T" nearly touches "W.")
Page [77]: Changed "manilla" to "manila".
(Buff Orange and Light Manilla.)
Page [78]: Changed "deteoriation" to "deterioration".
(This is due to great deteoriation of the die.)
Page [82]: Changed "beheind" to "behind".
(Bust point beheind "O.")
Page [82]: Deleted duplicate "and".
("C" almost vertical and and close to point.)
Page [84]: Under VAR. 13: Changed "041" to "401".
Page [103]: Changed "discriptions" to "descriptions".
(replace the discriptions of these varieties)