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AMY THE NATIONAL SERIES 
W37Le oF 
/8¢9 STANDARD TEXTS IN THE SCIENCES. 
> 
I—NORTON’S FIRST BOOK IN PHILOSOPHY.......... $1 00 
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T.—JARVIS’ PRIMARY PHYSIOLOGY ...............006 % 
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IV.—WOOD’S OBJECT LESSONS IN BOTANY............ 1 40 
WOOD’S CLASS-BOOK OF BOTANY ................ 3 50 
V.—STEELE’S FOURTEEN WEEKS IN ASTRONOMY.... 1 50 
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