INDEX AND GLOSSARY 



AbiOgen'esiS (a, not : |3io?, life : -yeVeo-i?, 

 origin), the origin of organisms from 

 not-living matter : former belief in, 94 



Absorption by root-hairs, 337 



Accre'tion (ad, to : cresco, to grow), in- 

 crease by addition of successive layers, 



*4 



Acnrom'atin (a, not : xp^>M a > colour), the 

 constituent of the nucleus which is un- 

 affected or but slightly affected by dyes, 

 7, 62 



Acoelom'ate (a, not : Kot'Aw/xa, a hollow), 

 having no ccelome (<?.?'.) : 297 



Adduct'or muscles, Mussel, 319 



Aerobic (a?p, air : /3u>9, life), applied to 

 those microbes to which free oxygen is 

 unnecessary, 91 



Agamob'ium (a, not : -ya^o?, marriage : 

 /Si'o?, life), the asexual generation in or- 

 ganisms exhibiting alternation of gene- 

 rations (g.i>.) 



AGAR'ICUS (mushroom) : Figure, 190 : 

 general characters, 189 : microscopic 

 structure, 189, 190 : spore-formation, 

 191 



Algae (alga, sea-weed), 167 



Alternation of Generations, meaning of 

 the phrase explained under Nitella, 218 : 

 Bougainvillea, 247 : Moss, 336 : Fern, 

 357 : Equisetum, 363, 364 : Salvinia, 366 : 

 Selaginella, 369 : Gymnosperms, 374 : 

 Angiosperms, 380, 381 



Ambula'cral (ambulacrujii), a walking 

 place) system, starfish, 309 



AMCEB'A (<x/xoi/36s, changing) : Figure, 

 2 : occurrence and general characters, i : 

 movements, 4, 10 : species of, 8 : resting 

 condition, 10, n : nutrition, 11 : growth, 

 13: respiration, 17 : metabolism, 17 : re- 

 production, 19 : immortality, 20 : conju- 

 gation, 20 : death, 20, 21 : conditions of 

 life, 21 : animal or plant ? 178 



Amceb'Oid. movements, 4 



Amoeb'ula (diminutive of Amoeba), the 

 amoeboid germ of one of the lower or- 

 ganisms, 51-54 



Anab'olism 



that which is 



thrown up). See Metabolism, construc- 



tive. 

 Anaerob'ie (a, not : di?p, air : jSio?, life), 



applied to those microbes to which free 



oxygen is unnecessary, 91 

 An'al (anus, the vent) segment, Poly- 



gordius, 269 



An'al spot, Paramcecium, in 

 An'astates (<xi/acrra.T05, from ai/aorrji'flu., 



to rise up, 18. See Mesostates, anabolic. 

 Anatomy (di/are'/xvoj, to cut up), the study 



of the structure of organisms as made 



out by dissection 

 Andrce'cium (dvyp, a male : OIKOS, a 



dwelling), the collective name for the 



male sporophylls in the flower of Angio- 



sperms, 377 

 AN'GIOSPERMS (ayyeiov, a vessel: 



cTTre'pjiia, seed): Figure, 375'. general 



characters, 374-377 : structure of flower, 



374 : reduction of gamobium, 377, 378 : 



pollination and fertilization, 379 : forma- 



tion of fruit and seed, and development 



of the leafy plant. 380, 381 

 Animal, definition of, 174 

 Animals, classification of, 303 

 Animals and Plants, comparison of type 



forms, 174, 175 : discussion of doubtful 



forms, 178 

 Animals, Protists, and Plants, boun- 



daries between artificial, 179-181 

 An'ther, 377 



Antherid'ium. See Spermary. 

 Antherozo'id. See Sperm. 

 Antip'odal cells, 378, 379 

 An 'TIS (anus, the vent), the posterior aper- 



ture of the enteric canal, 269 

 Apical cell: Penicillium, 188 : Nitella, 



209 : Moss, 331 : stem of Fern, 346 : root 



of Fern, 349 : prothallus of Fern. 353 

 Ap'ical cone, Fern, 346 



