ls's New Plane and Spherical Trigonometry.= For colleges and
technical schools. $1.00. With six-place tables, $1.25. With Robbins's
Surveying and Navigation, $1.50.

=Wells's Complete Trigonometry.= Plane and Spherical. 90 cts. With
tables, $1.08. PLANE, bound separately, 75 cts.

=Wells's New Six-Place Logarithmic Tables.= 60 cts.

=Wells's Four-Place Tables.= 25 cts.

=Wright's Exercises in Concrete Geometry.= 35 cts.

_For Arithmetics see our list of books in Elementary Mathematics._

D. C. HEATH & CO., Publishers, Boston, New York, Chicago

Drawing and Manual Training.

=Thompson's New Short Course in Drawing.= A practical, well-balanced
system, based on correct principles. Can be taught by the ordinary
teacher and learned by the ordinary pupil. Books I-IV, 6 x 9 inches,
per dozen, $1.20. Books V-VIII, 9 x 12 inches, per dozen, $1.75.
Manual to Books I-IV, 40 cts. Manual to Books V-VIII, 40 cts. Two-Book
Course: Book A, per dozen, $1.20; Book B, per dozen, $1.75; Manual, 40
cts.

=Thompson's AEsthetic Series of Drawing.= This series includes the
study of Historical Ornament and Decorative Design. Book I treats of
Egyptian art; Book II, Greek; Book III, Roman; Book IV, Byzantine;
Book V, Moorish; Book VI, Gothic. Per dozen, $1.50. Manual, 60 cents.

=Thompson's Educational and Industrial Drawing.= Primary Free-Hand
Series (Nos. 1-4). Each No., per doz., $1.00. Manual, 40 cts. Advanced
Free-Hand Series (Nos. 5-8.) Each No., per doz., $1.50. Model and
Object Series (Nos. 1-3). Each No., per doz., $1.75. Manual, 35 cts.
Mechanical Series (Nos. 1-6). Each No., per doz., $2.00. Manual, 75
cts.

=Thompson's Manual Training No. 1.= Clay modeling, stick laying, paper
folding, color and construction of geometrical solids. Illus. 66 pp.
25 cts.

=Thompson's Manual Training No. 2.= Mechanical drawing, clay modeling,
color, wood carving. Illus. 70 pp. 25 cts.

=Thompson's Drawing Tablets.= Four Tablets, with drawing exercises and
practice paper, for use in the earlier grades. Each No., per doz.,
$1.20.

=Drawing Models.= Individual sets and class sets of models are made to
accompany several of the different series in the Thompson Drawing
Courses. Descriptive circulars free on request.

=Anthony's Mechanical Drawing.= 98 pages of text, and 32 folding
plates, $1.50.

=Anthony's Machine Drawing.= 65 pages of text, and 18 folding plates.
$1.50.

=Anthony's Essentials of Gearing.= 84 pages of text, and 15 fol