In =Astronomy=, Dr. Simon Newcomb’s new book, published October, 1900; in =Physics=, the Johns Hopkins text of Professors Rowland and Ames; also in Physics for second and third year high school work, the text of Dr. Hoadley, of Swarthmore; in =Physiology=, the text by Drs. Macy and Norris, based on the Nervous System; also the =High School Physiology= indorsed by the W. C. T. U., written by Dr. Hewes, of Harvard University; in =Geology=, the =Revised “Compend”= of Dr. Le Conte, and the two standard works of Dana,--The =Manual for University Work=, and the =New Text Book=, revision and rewriting of Dr. Rice, for fourth year high school work; in =Chemistry=, the approved =Storer and Lindsay=, recommended for secondary schools by the leading colleges; in =Zoology=, the =Laboratory Manual= of Dr. Needham, of Cornell; and the Series “=Scientific Memoirs=” edited by Dr. Ames, of Johns Hopkins. Nine volumes ready. The publishers cordially invite correspondence. AMERICAN BOOK COMPANY, CINCINNATI ---------------------------------------------------------------------- Transcriber’s Note: This book was written in a period when many words had not become standardized in their spelling. Words may have multiple spelling variations or inconsistent hyphenation in the text. These have been left unchanged unless indicated below. Words and phrases in italics are surrounded by underscores, _like this_. Obvious printing errors, such as backwards, upside down, reversed, or partially printed letters, were corrected. Final stops missing at the end of sentences and abbreviations were added. The following spelling corrections were made: existance to existence synonyn to synonym Onio to Ohio miscroscopic to microscopic Querqus to Quercus Suppies to Supplies.