Index 



443 



ARISTOLOGBIA SIPBO, ar'IstolS'kia 

 (G. aristos, best -f- locheia, child- 

 birth) 232 



The common Dutchman's pipe. 



ARISTOTLE, aristot'al 377, 389 



AROMATIC COMPOUNDS (L. aro- 



maticus, having a spicy odor) 95 



ARROW- WORM 309 



ARTERIES OF FROG, ar'terez (L. 



arteria, artery) 53-60 



ARTHROBRANCHES, ar'throbran'- 

 kez (G. arthron, a joint), definition 



of 322 



ARTHROPLEONA, arthrople'ona (G. 



arthron + pleon, full) 425 



An order of the class Gollembola. 

 ARTHROPOD A, arthro'poda (G. 

 arthron, joint + pous, foot) .. .313, 432 



Crayfish 313, 328 



Fly 368 



Grasshopper 333 



Honeybee 354 



Insects at Large 329 



Plankton 326 



Terrestrial crustaceans 327 



ARTICULATA, artikiila'ta 431 



ARTICULATE, artik'ulat (L. articu- 



lus, joint) 73 



ARTIFICIAL FERTILIZATION 1 206 



ARTIODACT YLA, artiodak'tila ( G. 



artios, equal + daktylos, finger 429 



ASQARI8 LUMBRICOIDES, as'karis 



(G. an intestinal worm) 299 



ASGELLUS AQUATIGUS, asel'us (G. 



diminutive of askus, a wine skin ) . . 327 

 ASGIDIAGEA, asidia'sea (G. askos, a 



wine-skin + eidos, shape ) 427 



An order of tunicates. 

 ASGOMYGETES, as'komise'tex ( G. 

 askos, bag -f- mukus, a mushroom) . 



208,210 



ASCOSPORE, as'kospor (G. askos, 

 wine-skin, or bladder, -f- sporos, 



seed) 189 



ASCUS, as'ktis (G. askos, bladder), 



definition of '. 189 



ASEXUAL REPRODUCTION IN 



VAUCHERIA 208 



ASIATIC LUNG-FLUKE 292 



ASPERA, as'pera (L. aspera, rough) . 150 

 ASPERGILLUS FUMIGATUS, asper- 

 jil'us (L. aspergere, sprinkle), defi- 

 nition of 212, 213 



ASPIDIUM, aspid'ium (G. aspidion, a 



little shield) 225 



A species of fern. 

 ASPWOBRANGHIA, as'pidobrang'kia 

 (G. aspis, shield + bronchia, gills) .423 

 A group of Gastropods. 

 ASSIMILATING TISSUES, asim'ilat- 



ing (L. ad, to + similis, like) 237 



Conversion into protoplasm of in- 

 gested nutrient material. 



ASSIMILATION 30, 63 



ASSOCIATION MEMORY, definition 



of 66, 179 



ASTAGUS FLUVIATALIS, as'takus 



(G. a crayfish) 31J f 



ASTEROIDEA, asteroi'dea (G. aster, 



star + eidos, shape) 422, 431 



An order of Echinoderms, the Star- 

 fishes. 

 ASTRAGALUS, astrag'alus (G. an 



ankle bone ) 75 



ATLAS (G. Atlas, a giant) 12 



ATROPHY, at'rofi (G. a, without, 



trephein, to nourish) 317 



ATTRACTION SPHERE, definition of. 90 

 AUDITORY, aw'ditory (L. auditorius, 



pertaining to hearing) 68 



AUDITORY CAPSULES, organs of in- 

 sect 338 



AURICLE, aw'reekal (L. auricula, a 



little ear) 55 



AUTOTROPHIC, ot'otrof'ik (G. autos, 



self + trephein, to nourish) 187 



AVES, ay'veez (birds) 425,431 



AVIGULARIA, avikula'ria (G. avicula, 



diminutive of bird) 310 



AWARENESS, definition of 175 



AXIALITY 



The growth along a definite axis. 



AXIAL SKELETON, definition of 73 



AXILLARY, ak'silari (L. axilla) 204 



Pertaining to axil; growing in the 



axil, or pertaining to the arm-pit. 

 AXIOM (L. axioma, a self-evident 



proposition) 88 



AXIS CYLINDER 115 



The central tract of a nerve fiber. 



AXON, ak'son (G. axon, axle) 68 



The axis-cylinder process of a 



multipolar nerve-cell. 

 BACILLUS, basil'us (L. bacillum t a 



small stick) 191 



Rod-shaped bacteria, 



BACKGROUNDS 158 



BACON, ROGER 379 



BACTERIA, bakte'ria (G. bacterion, 



rod) , definition of 191 



rate of increase 193 



BACTERIOTROPIN, bakter'iotro'pin, 



definition of 201 



BACTERIUM ACTINOCLADOTHRIX, 



bakte'riam ak'tinoklad'othriks (G. 



aktis, ray + klados, branch + tJnir, 



hair) 215 



BALANCING ORGAN, definition of. 324 

 BALANTIDIUM COLT, balrintul'ium 



(G. bakintidimn, a little bag) l.)5 



BARBERRY^, bar'ber'i (M. L. barbaris, 



berry) 2^ 



A shrub whose ill-smelling flowers 



produce red berries of a pleasantly 



acid flavor. 



