Science. 



An Introduction to the Study of the Compounds of Carbon. By Ira Remsen, Pro- 

 fessor of Chemistry, Johns Hopkins University, Baltimore, x + 364 pages. Cloth. Price by 

 mail, $1.30; Introduction price, $1.20. 



Organic Chemistry: 



An Introduction to the Study 

 fessor of Chemistry, Johns Hopkins 

 mail, $1.30; Introduction price, $1.2 



The Elements of Inorganic Chemistry: 



Descriptive and Qualitative. By James H. Shepard, Instructor in Chemistry in the 

 Ypsilanti High School, Michigan, xxii + 377 pages. Cloth. Price by mail, $1.25; Introduc- 

 tion price, $1.12. 



The Elements of Chemical Arithmetic : 



With a Short System of Elementary Qualitative Analysis. By J. Milnor Coit, 

 M.A., Ph.D., Instructor in Chemistry, St. Paul's School, Concord, N.H. iv + 89 pages. 

 Cloth. Price by mail, 55 cts.; Introduction price, 50 cts. 



The Laboratory Note-Book. 



For Students 7tsiug any Chemistry. Giving printed forms for "taking notes" and 

 working out formulae. Board covers. Cloth back. 192 pages. Price by mail, 40 cts. ; Intro- 

 duction price, 35 cts. 



Elementary Course in Practical Zoology. 



By B. P. Colton, A.M., Instructor in Biology, Ottawa High School. 



First Book of Geology. 



By N. S. Shaler, Professor of Palaeontology, Harvard University. 272 pages, with 130 

 figures in the text. 74 pages additional in Teachers' Edition. Price by mail, $1.10; Intro- 

 duction price, $1.00. 



Guides for Science -Teaching. 



Published under the auspices of the Boston Society of Natural History. For 

 teachers who desire to practically instruct classes in Natural History, and designed to supply 

 such information as they are not likely to get from any other source. 26 to 200 pages each. Paper. 



I. Hyatt's About Pebbles, 10 cts. 

 II. Goodale's Few Common Plants, 15 cts. 



III. Hyatt's Commercial and Other 



Sponges, 20 cts. 



IV. Agassiz's First Lesson in Natural 



VI. Hyatt's Mollusca, 25 cts. 

 VII. Hyatt's Worms and Crustacea, 



25 cts. 



XII. Crosby's Common Minerals and 

 Rocks, 40 cts. Cloth, 60 cts. 



XIII. Richards' First Lessons in Min- 

 erals, 10 cts. 



History, 20 cts 

 V. Hyatt's Corals and Echinoderms, 

 20 cts. 



The Astrono7nical Lantern. 



By Rev. James Freeman Clarke. Intended to familiarize students with the constella- 

 tions by comparing them with fac-similes on the. lantern face. Price of the Lantern, in im- 

 proved form, with seventeen slides and a copy of " How to Find the Stars," $4.50. 



How to Find the Stars. 



By Rev. James Freeman Clarke. Designed to aid the beginner in becoming better 

 acquainted, in the easiest way, with the visible starry heavens. 



D. C. HEATH & CO., Publishers, 

 3 Tremont Place, Huston. 



