envelope used should be of the proper size to admit it easily. Sometimes a sheet eight and a half by seven and a quarter inches is used, but in such a case the envelopes should be seven and a half inches long. Otherwise the sheet will need to be folded up an inch or two from the bottom, a procedure which does not make a neat-looking letter. Such stationery as I have described with a business letterhead printed at the top is for business purposes only. It should not ordinarily be employed for social correspondence excepting, perhaps, between men who know each other well, and who are willing for the time being to ignore social conventions. The better' you know people the more liberties you can take in correspondence.
Stationery for friendly or social correspondence varies considerably in size. Women often use small folded sheets or correspondence cards about three and one-half by five and one-half inches. A standard size of paper is approximately seven and a quarter by ten and a half inches. This may be used as single sheets, in which case it is folded twice to go into the envelope—from the bottom up and from the
