Excerpt from The Texas Mathematics Teachers' Bulletin, 1912, Vol. 19 The University publishes bulletins four times a month, so numbered that the first two digits of the number Show the year Of issue and the last two the position in the yearly series. (for example, no. 3501 is the first bulletin of the year These bulletins comprise the Official publica tions of the University, publications on humanistic and scientific subjects, and bulletins issued from time to time by various divisions Of the University. The following bureaus and divisions distribute bulletins issued by them; communications concerning bulletins in these fields should be addressed to The University Of Texas, Austin, Texas, care of the bureau or division issuing the bulletin: Bureau Of Business Research, Bureau of Economic Geology, Bureau Of Engineering Research, Bureau Of Public School Interests, and Division of Extension. Communications concerning all other publications of the University should be addressed to University Publications, The University of Texas, Austin. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.