390 



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, lit e>-\- genesis, begin- 

 ning). The production of life from 

 non-living matter 406 



ABOMASUM, aboma'sum (L. ab, with- 

 out+ omasum, bullock's tripe), defi- 

 nition of 745 



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



mouth ) 254 



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 234 



ABSTRACT IDEAS, ab'stract Ide'as 

 (L. ab, from + traho, to draw 

 away ) , definition of 182 



A CANTHOCEPHALA, akanthosef 'ala 

 (G. akantha, a spine + kephale. the 



head) 424, 432 



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 ..... 306 



ACANTHOCHEILONEMA PER- 

 8TAN8, akan'thokilo'nema perstans 

 (G. akantha, spine -f- cheilos, Lip. -f- 

 L. perstare, persist) 303 



ACANTHOPTERYGII, . . akan"thopte- 

 rij'ii (G. akantha, a spine -f- pteros, 



wing or fin ) 645 



A group of fishes, including the 

 perch, bass, swordfish, etc. 



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



of mite bred in wax) 350, 422 



An order of Arachnida, including the 

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

 and abdomen appearing to be one. 



ACCESSORY CHROMOSOMES, akses'- 

 ory krd'mosomes, definition of. 100, 168 



ACCESSORY CLEAVAGE, definition 

 f -.448 



ACCESSORY REPRODUCTIVE OR- 

 GANS 439 



ACCOMMODATION OF EYE, defini- 

 tion of 874 



ACETABULUM, asetab'ulum (L. ace- 

 tabulum, a vinegar cup ) . the socket 

 for the head of the femur 76 



ACETABULUM, homologue of 704 



ACETABULUM OF WORMS 292 



ACHILLES, tendon of 80, 85 



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

 dle*) , definition of'. 283 



ACID GLAND 363 



ACINOUS GLAND, as'inos (L. acinus, 

 a grape) 673 



ACIPEN8ER STURIO, asipen'ser 

 stu'rio (G. akkipesios, the sturgeon. 

 ( See sturgeon ) 6Jj3 



A C E L M A T A, fise'lomata (G. a 

 without -f- koilos, a hollow tube ) , 

 definition of 258 



ACONITE, ako'nit (L. aconitum, the 

 poisonous plant Wolf's-bane) . The 

 Wolfs bane 237 



ACOUSTIC, akoo'stic (G. akoustikon, 



pertaining to hearing) 885 



Pertaining to sound. 



ACQUIRED CHARACTERISTICS ...403 

 Characters produced during the life- 

 time of an individual. 



ACRIDIIDAE, akridi'ide (G. akris, a 

 locust), definition of 351 



ACRODONT, ak'rodont (G. akros, at 

 the edge + odont, tooth), definition 

 of 733 



ACROMION, akro'mion (G. akromia, 



the point of the shoulder blade) . . . .701 

 The distal end of the spine of the 

 scapula or shoulder blade. 



ACTINIARIA, aktinia'ria (G. actin, a 



ray) .257, 420 



A division of Actinozoa, including 

 the sea-anemones; approximately the 

 Malacodermata. 



ACTINOMMA, Aktinom'a, (a ray + 

 omma, the eye), definition of 148 



AGTINOMYCE8 BOVIS, aktinomisez 

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

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

 definition of 214 



ACTINOPHRY8, aktinof'rfs (G. actin, 

 a ray + ophrys, brow), definition of 



