A slip-line field analysis is given for the deformation of a soft asperity by a hard one and equations are derived for the corresponding coefficients of friction and wear rates.

[…] for the German's heart was beating with strong desire to embrace his sister; and the heart of his friend cared little whither he went, sobeit he were not too much alone.

The tiger is a resident of the Lower Amoor, and ranges as high as 53° north latitude. In winter he roams through the same forests with the reindeer, and occasionally dines upon venison of his own catching.

O! say does that star-spangled Banner yet wave, / O'er the land of the Free, and the home of the brave?