868 Index 



Anaerobe, 122, 170 



Analogy, 576, 578 



Anaphase (mitosis), 62, 63,* 65, 66,* 



67 

 Anaphylaxis, 520, 773 

 Anatomy, 24 



and physiology of higher animals, 



458-529 

 of plants, 219-248 

 Anaximander, 732, 800 

 Ancylostoma, 295, 661 

 Andalusian fowl, 691* 

 Anemia, 484, 525 

 Angiospermae, 110-112, 143-148, 206- 



218 



Anguillula {see Vinegar eel) 

 Animal, cellular organization, 46-55 

 classified, 272-343 



economic importance, 530-575 • 



kingdom, 272-343 

 number of species, 273 

 of past and records, 605-619 

 pole, 445,* 452 

 wildlife, 797 

 Animals and plants contrasted, 104-107 

 Animate organization, 99-103 

 Anion, 83 

 Annelida, 304-309, 307*-309*, 384-392, 



540, 541, 788 

 Annual ring, 214, 221, 222 

 Annulus, 139,* 196, 198 

 Anodonta {see Clam) 

 Anomalies, 582 

 Anopheles {see Mosquito) 

 Anoplura (lice) {see Insects) 

 Ant, 571,* 572 {see also Insects) 



lion {see Insects) 

 Antenna, 318, 319, 321*-324,* 394,* 

 398, 403* 405, 410,* 411,* 

 414-418 

 Antennule, 320,* 321* 

 Anther, 144,* 146,* 208, 210, 212, 217, 



223,* 225, 225* 

 Antheridiophore, 189 

 Antheridium, 119, 129, 131,* 132*- 

 134,* 136, 137,* 138, 138,* 

 154, 161, 162, 163,* 164, 165, 

 174,* 175, 186-189, 191-197, 

 202 



Antherozoid, 132,* 136,* 197, 204 

 Anthocyanin {see Pigments) 

 Anthozoa, 290, 291,* 292* 

 Antiaggressin, 520 

 Antibiotic, 175, 250 

 Antibody, 519, 772 

 Antigen, 519 

 Antimere, 286, 299 

 Antipodal cell, 206, 207 

 Antitoxin, 519, 773 



Anus, 295, 296,* 298, 299, 301,* 302, 

 307,* 309,* 311*-315,* 321,* 

 327, 327,* 328,* 332,* 350,* 



381, 396* 

 Anvil, 466, 498,* 505 



Aorta, 311,* 313,* 315,* 332,* 340,* 

 396, 396,* 403,* 477, 478*- 

 480,* 482, 741* 



Aperture, 310* 



Aphid (plant louse), 559, 561* {see 

 also Insects) 



Aphis lion {see Insects) 



Apis {see Honeybee) 



Apopyle ( see Sponges ) 



Apothecium, 176 



Appendages, 577* 



Appendicularian, 327 



Applied biology, 115-191 



Arachnoid, 503 



Arachnoidea, 319, 326,* 544, 545* 



Arbacia {see Sea urchin) 



Archaeopteryx, 736, 737* 



Archegoniophore, 189 



Archegonium, 129, 131*- 134,* 136, 

 136,* 137,* 138, 138,* 140,* 

 186-189, 191-197, 202-204, 

 206 



Archenteron, 447 



Archeozoic era, 614, 617 



Archinellida, 306 



Aristotle, 732, 801 



Aristotle's lantern, 303* 



Arm, 301,* 302-304, 307,* 315* 



Artery, 430,* 432, 470,* 477-489, 740,* 



741* 

 Arthropoda, 314-325, 393-408, 543-572 

 Ascaris (roundworm), 295, 298, 379- 



382, 380,* 538, 660, 785, 788 

 Ascaroidea, 295 



Ascidian, 327, 328* 



Ascocarp, 177 



Ascomycetes, 109, 125, 167, 175-177 



{see also Yeast; Aspergillus, 



Penicillium; etc.) 



Ascospore, 125*-127,* 167, 176, 177 



Ascus, 125,* 126 



Asexual reproduction {see various or- 

 ganisms) 



Aspergillus, 126,* 127, 129, 175, 176, 

 250, 251* 



Assimilation, 94, 345, 353 



Association (animal and plant), 646, 

 652 



Aster {see Mitosis) 



Asterias (starfish), 301, 301* 



Asteroidea, 301 



Astral ray (aster), 63,* 64, 64,* 65 



Asymmetry {see Symmetry) 



Athlete's foot, 659 



