THE - CONCHOLOGISTS’ - EXCHANGE. 43 
_ EXCHANGE BOX, No.1. 
For $1.00 
We will send, postpaid, a neatly packed box of Shelis 
containing 380 different species, and 150 specimens 
especially selected and adapted for trading. A collec- 
tion for yourself and lots to trade. 
ALL NAMED AND LOCALIZED. 
ADDEESS 
The Conchologists’ Exchange, 
Chestnut Hill, Philadelphia, Pa. 
a Ds 
NATIONAL EDUCATOR, 
Published Semi-monthly at 
ALLENTOWN, PA. 
A. R. HORNE, A. M., D.D., 
Editor and Publisher, | Helix (Aglaia) fidelis, Gray, Oregon. 
The NATIONAL EDUCATOR has been i WEST COAST SHELLS. 
edited by its proprietor, A. R. HorN®, continuously 
twenty-seven years—longer than any educational By Prof. Josiah Keep, Mills College, Galifomnia: 
journal in this country has been under the same ae Pa ; z 
editorial management. It is devoted to common- A familiar description of the Marine, Fresh 
sense ideas in education, whether they be new or | Water and Land Mollusks, found in the United 
old. Its series of articles on “Experiments in the 
Nips Fipa Vivace > a <u 2 
School-room without Apparatus,” “Health Notes,” States, West of the Rocky Mountains. 182 
“Common Sense in the School-room,” “Out-door _ Illustrations, 230 pages. ‘The frontispiece is a 
Sebool,” ete., etc.. have run through five years past, hand-painted engraving of the very rare and 
and will be continued the next five years. The beanie e 
circulation in Pennsylvania is as large as the bona cat 
fide circulation of any other educational jourval, | '  Surcula Carpenteriana, Gabb. 
whether published in or out of the State, while it Beep, step : : 
also has a large general circulation, particularly in Yo aid in the study of Shells, the pronuncia- 
ae soutt: where see pees has parece ieee tion of the Latin names is indicated, and a Glos- 
Jonductor a number of terms. ne articles are tae eee ae - i opie scans 
original, short, sharp, and common sense. Seventy- | °°'Y> Key, siographical Index of Naturalists, 
five cents a year, puyuble whenever the subscriber is | anda Check List are added. Beautifully printed 
ready. Send for sample copies. and bound. Price, postpaid, $1.75. 
A. R. HORNE Bancroft Brothers & Co., Publishers 32 
5 : = r E ? ? Po} 
Editor and Publisher, Market St., San Francisco, Cal. 
Allentown, Pa. Please mention this paper. 
ANTED—ODD NUMBERS AND COMPLETE VOLUMES OF 
‘Random Notes on Natural History,” containing Mr. H. F. Car- 
penter’s article on ‘‘ The Shell-bearing Mollusca of Rhode Island,” 
for which good prices will be paid. The Concho. Ex., Chest. Hill, Phila. 
