ADVERTISEMENTS. 



CROSBY'S VITALIZED PHOSPHITES 



Composed of the Nerve-giving Principles of the Ox Brain and the Embryo of the Wheat and Oat. 

 Is a Standard remedy with physicians who treat nervous or mental disorders. 

 The formula is on every label. As it is identical in its composition with 

 brain matter it is rapidly absorbed and relieves the depression from mental 

 efforts, loss of memory, fatigue or mental irritability. 



Sleeplessness, irritation, nervous exhaustion, inability to work or study 

 is but Brain Hunger, in urgent cases Brain Starvation. It aids in the 

 bodily and wonderfully in the mental development of children. It is a vital 

 phosphate, not a laboratory phosph<2te or soda water absurdity. 



56 W. 25th St., N. Y. For sale by Druggists, or by Mall, $1. 



FOR DYSPEPSIA, 



Mental and Physical Exhaustion, 



Nervousness, Weakened Energy, 



INDIGESTION, Etc. 



AGIO PHOSPHATE. 



A liquid preparation of the phosphates 

 and phosphoric acid. 



Recommended by physicians. 



It makes a deHcious drink. 



Invigorating and strengthening. Pamphlet 

 free. 



For sale by all dealers. 



RUMFORD CHEMICAL WORKS, 

 Providence, R. I. 



i®^ BEWARE OF IMITATIONS. 



PI 



Wm 



'mm 



A/n 



enowned 



REMEDY FOR THE 



RELIEF km OURE QF 



HOARSENESS, 



AND ALL 



THROAT TEODBLES, 



Indispensable to Sjioakers 



and Singers. 



For sale,o»?(/ in- boxes, by all 



Medicine dt^alers. 



BOTANY BY OBSERVATION. 



FOR ALL GRADES. 



HOOKER'S SCIENCE PRIMER OF BOTAM. 



Introductory price, 64 cents. 



YODMANS' FIRST BOOK OF BOTAM. 



Introductory price, 64 cents. 



YODMANS' DESCRIPTIVE BOTANY. 



Introductory price, $1.20. 



BENTLEY'S PHYSIOLOGICAL BOTANY. 



Edited by Eliza. A. Youmans. Introductory 

 price, $1.20. 



HENSLOW'S BOTANICAL CHARTS. 



Modified and Adapted for Use in the United 

 States, bv Eliza A. Youmans. 



Sample copies sent po-lpaid, lo teachers, for examina- 

 tion, at above prices. 



D. APPLE rON& CO., Publishers, 



NEW YORK, BOSTON, CHICAGO, ATLANTA, SAN FRANCISCO. 



BOSTO/V SOCIETY OF NATURAL HISTORY. 



WALKER PRIZES. 



1887. Original investigations in Lithology. 



1888. Original investigations in Physiology. 



First Prize, $60 to $1 00. Second Prize, $50. 



Essays must be offered before April i of the corre 

 sponding year. 



For farther particulars apply to 



EDWARD BURGESS, Secretary. 



