[NDEX 



U> /< r< net s art to /"■•■ 



Abdomen, of crayfish . . . . 86 



of grasshopper 13 



Abnormal growth of tissue 



cause of disease .... 233 



Abomasum. division of Btom- 



ach of sheep (ti^.) .... 154 



Absorption, of food, defined 17.'! 



of food not nourishment . l T ~» 



Absorption in leaves of Ve- 



nus's fly-trap 39] 



Abstainers' record in -walk- 

 ing- match (fig.) .... 224 



Acid secreted by roothairs . . 269 



Acid medium in stomach . . 171 



Aconite, a poison 221 



source of 327 



Acorn, a dry fruit (fig.) . . . 309 



Actinozoa, example of ... <> 



Active bacteria reduced in 



number by heating milk Ml 



Adam's apple 193 



Adaptation, defined .... 161 



student report on 162 



Adaptations, of birds . . . . 138 



of reptiles 1 •">! 



Adductor muscles of clam 



(figO • • • 95 



Adulteration of foods . . . 180 



Adventitious roots . . . . 284 



experiments to show . . . . 404 



Aerial roots, of corn .... 280 



of ivy (fig.) 284 



Aerial stems 286 



Afferent fibers 213 



Agar-agar, formula .... 346 

 plates (fig.) • • 348,349,360,351 

 Agave, section of epidermis 



(fig-) 8« 



Age of trees, how *.ld 

 Agencies of seed distribu- 

 tion 312 



Agriculture, amount and kind 



of cultivation in 



as an industry 



influence of mi civilization . 

 Air. home of bacteria . ... 344 



Air cells of lung 



Airspaces in stems, function 



of 



Albumen, examples of . . . 176 

 Alcohol, ambitioD destroyed b 



a narcotic 221 



;i poison 221 



and disease 243 



and patent medicines .... 



canst- (if disease 



chemical composit ion "f . . I7»'i 

 effect of. on circulation .... 



<>n digestion 182 



formed by yeast plant . . . 

 in bread driven off by beat , . 

 Protozoa and 



vliorteii~. life 221 



use of in consumption 

 Alcoholism a disease ... 

 Ale. manufacture of 

 Alfalfa, member "f pulse famil 



rooi (fig.) 



Algae, aquatic plants 



example of 7 



lark ..I conduct!] tern in . 



number of 7 



Alimentary canal, of fp 



(fig.) 117. 



of man (ti- | 161 



Alkaline medium in mouth . 171 

 Alligator < l i ^ - > 



nest 



1 



