440 



Index 



ABDOMEN, abdo'men (L. abdomen, 

 belly ) . 



Abdominal cavity 47 



Abdominal vein 48 



ABDUCENS, abdu'sens (L. abducere, 

 to draw away from ) 68 



ABDUCTOR, abduc'tor (L. abducere, 

 to draw away from) , definition of . . . 78 



ABIOGENESIS, a"biogen'esis (G. a, 

 without + bios, life+gewesis, begin- 

 ning). The production of life from 

 non-living matter 407 



ABORAL, abo'ral L. ab, without + os, 



mouth ) 255 



situated at the end opposite the 

 mouth. 



ABSORPTION, absorp'shun (L. a, 



from -{-sorbere, to suck up) 30 



Condensation of gases on the surface 

 of solids. 



Tissue, definition of 235 



ABSTRACT IDEAS, ab'stract Ide'as 

 (L. ab. from + traho, to draw 

 away) , definition of 183 



ACANTHOCEPHALA, akanthosef'ala 

 (G. akantha, a spine + kephale, the 



head) 426, 435 



An order of worm-like parasites with 

 no mouth or alimentary canal, which 

 attach themselves to their host by 

 means of a hooked proboscis. 



ACANTHOCEPHALUS (singular of 

 Acanthocephala) , definition of 307 



ACANTHOCHEILONEMA PER- 

 STANS, akan'thokilo'nema perstans 

 (G. akantha, spine + cheilos, Lip. + 

 L. perstare, persist) 303 



ACARINA, akarl'na (G. akari, a kind 



of mite bred in wax) 351, 424 



An order of Arachnida, including the 

 mites, ticks, etc., the head, thorax, 

 and abdomen appearing to be one. 



ACCESSORY CHROMOSOMES, akses'- 

 ory kro'mosomes, definition of. .100, 169 



ACETABULUM, asetab'ulum (L. ace- 

 tabulum, a vinegar cup), the socket 

 for the head of the femur 16 



ACETABULUM OF WORMS 293 



ACHILLES, tendon of 80, 85 



ACICULAE, asik'ula (L. acus, a nee- 

 dle), definition of 284 



ACID GLAND 36% 



ACOELOMATA, aselom'ata (G. a 

 without + koilos, a hollow tube), 

 definition of 259 



ACONITE, ako'nit (L. aconitum, the 

 poisonous plant Wolfs-bane) . The 

 Wolfs bane 238 



ACQUIRED CHARACTERISTICS . . .404 

 Characters produced during the life- 

 time of an individual. 



ACRIDIIDAE, akridi'ide (G. akris, a 

 To expose to the air. 



locust ) , definition of 352 



ACTIN I ARIA, aktinia'ria (G. actis, a 



ray) .. . . 258, 422 



A division of Actinozoa, including 



the sea-anemones; approximately the 



Malacodermata. 

 ACTINOMMA, aktinom'a, (a ray -f- 



omma, the eye), definition of 149 



ACTINOMYCES BOVIS, aktinomisez 



bo'vis (G. actin, a ray + mykes, a 



mushroom; L. bos, bovis, an ox), 



definition of 215 



ACTINOPHRYS, aktinof'rls (G. actin, 



a ray -f- ophrys, brow), definition of. 1^9 



ACTIVE POLE, definition of 106 



ACUTIFOLIUM, acutifol'ium (L. acuo, 



sharpen + folium, leaves) 218 



A species of Sphagnum. 

 ADAPTATION, adapta'shun (L. adap- 



tare, to fit to). The adjustment to 



circumstances 45, 317 



ADENOID, ad'enoid (G. aden, gland 



+ eidos, shape) , definition of 112 



ADHERENCE THEORY, adherens 



the'ory (L. ad, to + haerere, to 



stick) , definition of 123 



ADIPOSE, ad'ipos (L. adeps, fat), 



definition of 112 



ADORAL, ado'ral (L. ad, to + os, oris, 



mouth) 156 



Situated at or near the mouth. 

 ADRENAL BODIES, addree'nal (L. 



ad, upon; renes, kidneys) 53 



ADRENALIN, addren'alyn 53 



A crystalline substance obtained 



from suprarenal extract. 

 ADSORPTION, adsorp'shon (L. ad, to 



+ sorptio, sucking up) 



AEPYORNITHIFORMES, epiornith'i- 



formez (G. aipys, high, + ornis, 



bird + forma, form) 428 



AERATED', a'erat (G. aer, air) 322 



AEROBIC, aero'bik (G. aer, air + 



bios, life) 



AESTIVATION, estiva'shon (L. aes- 



tivare, to pass the summer) 263 



AESTIVO-AUTUMNAL, este'voatum'- 



nal (L. aestivus, summery + autum- 



nalds, belonging to autumn) 134 



AFFECTIONS, affekshons (L. affectio, 



a state of mind), definition of 175 



AFFECTOR, afek'ter (L. afficere, to 



act upon), definition of 178 



AFFERENT, afFerrent (L. ad, to; fero, 



bear) 



AGASSIZ, a'gasee', Jean Louis Ro- 



dolphe 381,417 



AGGLUTINATION, aglutina'shdn (L. 



agglutinare, paste to), definition of. 201 



AIR-SACS OF INSECTS 331, 360 



ALBERTUS MAGNUS 379 



ALCYONACEA, al'siona'sea 422 



An order of Alcyonaria. 



