Includes index."This manual, first published in January, 1907, was revised in 1909 by L.W. Austin. The present (2d) revision contains the results of s...
"This manual, first published in January, 1907, was revised in 1909 by L.W. Austin. The present (2d) revision contains the results of some of Dr. Austins later researches ..."--Pref.