WARD’S NATURAL SCIENCE ESTABLISHMENT. 
18-28 College Ave., Rochester, N.Y. 
(Mineralogy, Geology, Palaeontology, Zodlogy, Human Skeletons and Ana- 
tomical Models, Archaeology, and Ethnography.) 
We have compiled three collections of the same scope, but differing in size of 
specimens and style of mounting, to specially illustrate this work. 
Each collection contains 30 Minerals, 57 Rocks, and 13 Phenomenal Speci- 
mens, making a total of 100 in all. 
Collection I. — Regular size trimmed specimens, 3x4 inches, mounted on wal- 
nut blocks, neatly labelled. $50.00. 
Collection II. — Specimens in trays, 294 x 3 inches, neatly labelled. $15.00. 
Collection III. — Fragments in bag, unnumbered, unlabelled, the student to 
identify same from larger collection in school. $1. 00. 
For further information address as above. 
HOWELL’S MICROCOSM 
Will furnish collections especially prepared to illustrate this work. In neat strong 
cases, with tray for each specimen, or in large museum specimens mounted on 
blocks. 
Case 1 contains Minerals and Igneous Rocks, 39 specimens. 
Case 2 contains Mechanical, Chemical, Organic, and Metamorphic Rocks, 
39 specimens. 
Price of either case, $3.50. Both cases together, $6.75. 
Small unlabelled duplicates of the above 78 specimens, 75 cts. 
Case 3 contains the 13 special specimens to illustrate Phenomena. Price, 
-50 
The whole collection complete (3 cases, gt specimens), $13.0 
The same collection in large museum specimens mounted on Taaiks. $30.00 and 
$35.00. 
Write me in reference to other collections of Minerals, Rocks, Fossils, Relief 
Maps, Lantern Slides, etc. Ask for circulars. 
EDWIN E. HOWELL, 
612 17th STREET, N.W., WASHINGTON, D.C. 
For Students : lynel ol tet ys a 
11-2 cents to 4 cents each, 
with 50 per cent discount, where a number of sets are taken. 
For Teachers = j2iecquality at 8 cents to cents, 
Price list and full description matled on application. 
Catalogue free. Orders promptly filled. 
Aas We make a specialty of preparing Educational Collections, and guar- 
antee accuracy of labelling and strictly scientific arrangement. 
A. E. FOOTE, 
1317 ARCH ST., PHILADELPHIA, PA., U.S.A. 
Established 1876. 
