ADVERTISEMENTS. 
A Tonie 
For Brain-Workers, the Weak and 
bilitated. 
Horsford’s Acid Phosphate 
is without exception the Best 
Remedy for relieving Mental 
and Nervous Exhaustion; and 
where the system has become 
debilitated by disease, it acts as 
a general tonic and vitalizer, 
affording sustenance to both 
brain and body. 
Dr. J. C. Wilson, Philadelphia, 
Pa., says: “Ihave used it as a gen- 
eral tonic, and in particular in the 
-debility and dyspepsia of overworked | 
men, with satisfactory results.” 
Descriptive pamphlet free. 
Rumford Chemical Works, Providence, R. I. 
yore of Substitutes and Imitations. 
i 
| A check- list of the Plants of buys Manual, 
mpiled by JOHN A. ALLEN, 
Published te the Herbarium A Hanara University, 
Cambridge, 
Sent post- — at co followin ng ra 
Bound in paper, 10 c apiece ; ies for 25 cents: 
five for 40 cats: pat for 75 cents. 
mg = leatherette, Paid cents apiece; three for 60 
ASSOCIATION 
Paid-in Capital, $1,000,000 
OVER 3,000 AND 
NO DISSATISFIED ONES 
set ih WE eiat 
From pem to Aira Se » ad he Bes, > 
The — of withd-awing on thirty 
SINKING FUND MORTGAGES OUR areare 
ore Masin 
you our asies 
H. F. NEWHALL „Manager e 
533 Drexel Building, PHILADELPHIA, PA. | 
ROVILLOT & CO., 
STOCK BROKERS, 
125 S. 3rd Street, Philadelphia. 
STOCKS ON MARGIN A SPECIALTY, 
Pamphlets, Bulls and Bears, showing how 
it es done on application, 
Minerals, Rocks, Fossils, Casts of Fossils, Geological Relief Maps, 
Stuffed Animals and Skins, Mounted Skeletons, Anatomical 
Models, Invertebrates. 
Ward's Natural Science Establishment, 
Mineralogy, 
Geology, 
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Zoology, Osteology, Anatomy, 
-Send for Circular. 
-H, A. GATCHEL, Sole proprietor, 
PENNSYLVANIA 
ROCHESTER, N. Y. 
DESIGNING 
PHOTO ENGRAVING 
D ENGRAVING 
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114 to 120 S. Seventh Street, Philadelphia, Pa. 
T aha 
ae. $ $ 
Photographs, Brush drawing, ete. 
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photo e qea electrotype or zinc etching) made direct from Pen- 
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We make a specialty of handling SCIENTIF! 
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