INDEX 



Abalones, 273, 274 



Acetic acid, 194 



Actinidia arguta, 88, 90 



Adder, 326 



Aedes calopus, 124-128, 130, 132, 134, 

 154, 258; breeding places, 132; 

 pictures of egg, larva, pupa, and 

 adult, 124, 125; relation nf, to 

 yellow fever, 12G, 127 



Aerobic bacteria, 221 



Agaricacece, 201-205 ; orders of. 204. 

 205 



Agriculture, 91-1 0(5; breeding se- 

 lected strains. 90-98; efficiency 

 of, 93-90 ; fungous and bacterial 

 diseases, 207-217; practical biol- 

 ogy of, 91-10(5; problems of ani- 

 mal industry, 102-104; relation 

 of weeds to, 68; soil fertility, 98- 

 100; value of land. 100-102 



Alcohol, 165, 191 ; influence of, on 

 germ plasm, 340, 341, 343; manu- 

 facture of, 194, 195 



Alfalfa, 101, 212, 223 



Algte, 188 



Alkaloid, 201 



Alligator, 321, 323 



Alligator terrapin, 324 



Almond, 1(55 



Amanita, 73, 76, 200-205; dcsirij)- 

 tion and picture, 201, 202 



American birds, orders of, 38-40, 

 42-51 ; pictures of, 22 



American Bison Society, 171 



American cockroach. 154 



American crow. 48 



American elm, 84 



American false helh-bon-. 7(1 



American goldJinch, 49 



American goshawk, 45 



American insects, 253 



Anjerican laurel, 75 



American lobster. Sec Lobster 



American lotns lily. 3(»7 



American magpie. 48 • 



American mauunals, 1(59-172 



American osprey, 45 



American redstart. 50 



American robin, 51 



Amphibia. 313-320, 325 



Anaerobic bacteria, 221 



Animal diseases, 110 



Animal industry, 102-104 



Animal parasites, 253-2(50 



Anopheles, 127. 130, 131, 134, 154, 

 257; breeding i)laces (»f, 132 ; pic- 

 ture of eggs, larva, pui)a, and 

 adult of. 125; relation of, to ma- 

 larial fever, 123, 124 



Antelope, 1(59, 2(51 



Anthracnose, 210, 212. 215 



Anthrax, 235, 23(5, 248 



Anfimeningitis serum, 1 1 1 



Antisepsis. 248 



Antitoxins, 243, 247 249 



Antivenins, 329 



Ants, 141-147; carpenter ant, 14(5. 

 147; economic importance. 141; 

 food, 143; rearing of. in lalM»m- 

 torv. 145147; red ant.s. 155; sjh*- 

 cial senses, 143; warfare. 144: 

 white ants. 153. 155 



3(5 



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