17 JANUARY 1880, Page 21

Outlines of Field Geology. By A. Geikie. Second Edition. (Macmillan.)—This

compact pocket volume on field geology origi- nated in two lectures given by the author, in 1876, at South Kensington. These lectures were on the subject of geological maps and surveying instruments, and were published three years ago in pamphlet form. The pamphlet has been now expanded, not only in size, but in range of subjects, until it has become a small book telling the student what and how to observe out of doors. It is not intended as a complete manual of practical directions, but as an elementary guide-book. To make the best use of it, the student must already have mastered the great facts of geology, as given in some sound text-book of the science. This done, these Outlines of Field Geology will guide him to the due observation and interpretation of the chief phenomena of the earth's crust. We commend the work to the notice of young geologists.