Elementary Science. 



Bailey's Grammar School Physics. A series of inductive lessons in the elements 

 of the science. In press. 



Ballard's The World of Matter. A guide to the study of chemistry and mineralogy; 

 adapted to the general reader, for use as a text-book or as a guide to the teacher in giving 

 object-lessons. 264 pages. Illustrated. ;^i.oo. 



Clark's Practical Methods in Microscopy. Gives in detail descriptions of methods 



that will lead the careful worker to successful results. 233 pages. Illustrated, f 1.60. 



Clarke's Astronomical Lantern. Intended to familiarize students with the constella- 

 tions by comparing them with fac-similes on the lantern face. With seventeen slides, 

 giving twenty-two constellations. $4.50. 



Clarke's How to find the Stars. Accompanies the above and helps to an acquaintance 

 with the constellations. 47 pages. Paper. 15 cts. 



Guides for Science Teaching. Teachers' aids in the instruction of Natural History 

 classes in the lower grades. 



I. Hyatt's About Pebbles. a6 pages. Paper. 10 cts. 

 II. Goodale's A Few Common Plants. 61 pages. Paper. 20 cts. 



III. Hyatt's Commercial and other Sponges. Illustrated. 43 pages. Paper. 20 cts. 



IV. Agassiz's First Lessons in Natural History. Illustrated. 64 pages. Paper. 



25 cts. 

 V. Hyatt's Corals and Echinoderms. Illustrated. 32 pages. Paper. 30 cts. 

 VI. Hyatt's Mollusca. Illustrated. 65 pages. Paper. 30 cts. 

 J- VII. Hyatt's Worms and Crustacea. Illustrated. 68 pages. Paper. 30 cts. 

 VIII. Hyatt's Insecta. Illustrated. 324 pages. Cloth. {1.25. 

 XII. Crosby's Common Minerals and Rocks. Illustrated. 200 pages. Paper, 40 

 cts. Cloth, 60 cts. 

 XIIT. Richard's First Lessons in Minerals. 50 pages. Paper. 10 cts. 

 XIV. Bowditch's Physiology. 58 pages. Paper. 20 cts. 

 XV. Clapp's 36 Observation Lessons in Minerals. 80 pages. Paper. 30 cts. 

 XVI. Phenix's Lessons in Chemistry. In press. 

 Pupils' Note-Book to accompany No. 15. 10 cts. 



Rice's Science Teaching in the School, with a course of instruction in science 

 for the lower grades. 46 pag^es. Paper. 25 cts. 



Ricks's Natural History Object Lessons, Supplies information on plants and 



their products, on animals and their uses, and gives specimen lessons. Fully illustrated. 

 332 pages. ^1.50. 



Ricks's Object Lessons and How to Give them. 



Volume I. Gives lessons for primary grades. 200 pages. 90 cts. 



Volume II. Gives lessons for grammar and intermediate grades. 212 pages. 90 cts. 



Shaler'S First Book in Geology. For high school, or highest class in grammar school. 

 272 pages. Illustrated. $1.00. 



Shaler's Teacher's Methods in Geology. An aid to the teacher of Geology. 



74 pages. Paper. 25 cts. 



Smith's Studies in Nature. A combination of natural history lessons and language 

 work. 48 pages. Paper. 15 cts. 



Sent by mail postpaid on receipt of price. See also our list -of books in Science, 



D. C. HEATH & CO., PUBLISHERS, 



BOSTON. NEW YORK. CHICAGO. 



