en yarn, 33, 50

Worsted carding, 39
combing, 39
diagonal, 104

Worsted spinning, 44
tops, 40
unfinished, 104
yarn, 33, 46

Yarn, 33, 39, 46
dyed, 65, 68

Yolk, 10, 25

Zephyr gingham, 192
wool, 49

Zibeline, 104

ADVERTISEMENTS

Elementary Science.

=Austin's Observation Blanks in Mineralogy.= Detailed studies of 35
minerals. 35 cents.

=Bailey's Grammar School Physics.= Practical lessons with simple
experiments that may be performed in the ordinary schoolroom. 50
cents.

=Ballard's The World of Matter.= Simple studies in chemistry and
mineralogy; for use as a text-book or as a guide to the teacher in
giving object lessons. $1.00.

=Brown's Good Health for Girls and Boys.= Physiology and hygiene for
intermediate grades. Illustrated. 45 cents.

=Brown's Health in the Home.= Illustrated. 50 cents.

=Clark's Practical Methods in Microscopy.= Gives in detail
descriptions of methods that will lead the careful worker to
successful results. Illus. $1.00

=Clarke's Astronomical Lantern.= Intended to familiarize students with
the constellations by comparing them with facsimiles 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. Paper. 15 cents.

=Colton's Elementary Physiology and Hygiene.= For grammar grades. 317
pages. Illustrated. 60 cents.

=Eckstorm's The Bird Book.= The natural history of birds, with
directions for observation and suggestions for study. 301 pages.
Illustrated. 60 cents.

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

I. Hyatt's About Pebbles. 26 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 Lesson in Natural History. Illus. 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.
VII. Hyatt's Worms and Crustacea. Illustrated. 68 pages. Paper.
30 cts.
XII. Crosby's Common Minerals and Rocks. Illustrated. 200 pages.
Paper. 40 cts. Cloth, 60 cts.
XIII. Richards's First Lessons in Minerals. 50 pages. Paper. 10 cts.
XIV. Bow