28 THE naturalists’ bureau. 
PHT§ICS A 1STID CHEMISTBT. 
1. ARMSTRONG.—Introduction to the Study of Or¬ 
ganic Chemistry, the Chemistry of Carbon and its Com¬ 
pounds. By H. E. Armstrong. 12mo, cloth. London, 
1874 . .$1 
2. ARNOTT.—Elements of Physics. By Neil Arnott. 
7th edition, revised. 12mo, cloth. New York, 1877 . . 3 
3. BAKE WELL.—A Manual of Electricity, Practical 
and Theoretical. By T. C. Bakewell. 2nd edition, re¬ 
vised and enlarged. London, 1857 .3 
4. BANCROFT.—Experimental Researches concern¬ 
ing the Philosophy of Permanent Colors, and the best 
means of producing them by Dyeing Calico, Printing, etc. 
By Edward Bancroft, M. D. 2 vols., 8vo, half-morocco. 
London, 1813.. . . 7 
5. BARKER.—A Text-Book of Elementary Chemistry, 
Theoretical and Inorganic. By George E. Barker, M. D. 
1 vol. 12mo, cloth. New Haven, Conn.1 
6. BLOXHAM.— Chemistry, Inorganic and Organic, 
with Experiments, and a Comparison of Equivalent and 
Molecular Formulae. By C. L. Bloxham. 8vo, cloth. 
Third edition. London, 1876 .6 
7. BLOXHAM.—Laboratory Teaching, or Progressive 
Exercises in Practical Chemistry. By C. L. Bloxham. 1 
vol., 12mo, cloth. London, 1869 .2 
8. BLYTH.—A Manual of Practical Analysis of Food 
and the Detection ot Poisons. By A. W. Blyth. Crown 
8vo, cloth. London, 1879 5 
9. BREWSTER.—A Treatise on Optics. By Sir David 
Brewster. 1 vol., 12mo, cloth . . 1 
10. “ The Kaleidoscope. Its History, Theory 
and Construction, with its application to the~fine and useful 
Arts. By Sir David Brewster. 1 vol., 12mo, cloth. 
London, 1869 .2 
11. CHURCH.—The Laboratory Guide; a Manual of Prac¬ 
tical Chemistry for Colleges and Schools, specially ar¬ 
ranged for Agricultural Students. By A. H. Church, M. A. 
1 vol., 12mo, cloth. London, 1874 3 
12. CCNINGTON.—Hand-Book of Chemical Analysis. 
By E. T. Conington. 1 vol., 8vo . 3 
13. “ Tables for Qualitative Analysis. 
By F. T. Conington . . . . 1 
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