0.ii 



m 



First Prhited 1875. Printed and Stereotyped 1876. 



Reprinted March and Jtdy 1877, February and December 1879, 1881, 



1882, 1883, 1885, March, September, December, 1886, 1887. 



Revised and extended edition, 1888. 



Reprinted 1889. 



4o 



