R. P. Drake, Shenandoah, Iowa—The origin of the word dude, is not certainly known. It has been in English slang for a 100 years at least. It has not been widely used in this country until comparatively recently, but in Salem, Mass., and vicinity, it has held a place in local slang for many years.


Subscriber, Houghton, Mich.—St. Patrick’s Day is the day set apart in the Romish calendar for special religious observances in honor of the founder of the Christian church in Ireland, canonized by the Church of Rome as St. Patrick. It is probably not the day of his birth, since it is generally conceded that it is impossible to determine that.


Mrs. J. R. Dowling, Wheatland, Iowa.—After the death of the great Roman general and statesman, Cæsar became a title of all of the Roman emperors, and from them has passed into several other European countries to designate the chief ruler. In Germany it appears as Kaiser, and in Russia as Czar. 2. We have lately answered your other questions.


E. C. W., Garden City, Kan.—The Dry Tortugas and several other islands off the Florida coast belong to the United States. The government has a military station, hospital, etc. on the Dry Tortugas, and sometimes sends convicts there.


A. V. Bacon, Lansing, Minn.—The principal reasons for outgoing trans-Atlantic steamers from the United States bearing north, are: the influence of the gulf stream running from the southern extremity of Florida up the American coast, making to northeastward between New Foundland and Ireland; the higher latitude of the British Isles; and in certain seasons the prevailing winds. “Imaginary lines” have nothing to do with their choice of this course. If the form of the earth was the only thing to be considered, the steamers would sail on the great circle connecting the port of departure and the port of destination, both going and coming, because such a circle marks the shortest distance between the two points on the sphere. But winds and currents are more important than shortest distances.