894 



INDEX 



APHIS MAIDIRADIC1S, afis (doubt- 

 ful origin ) 372 



Plant-sucking insects. 



API DAE, ap'ide (L, a bee) 367 



The bee family. 



APIS MELLIFERA 35 J, 



APIS NOSEMA, a'pis (L. a bee) 153 



APLACOPUORA, aplakof'ora (G. a, 

 without -f- plaxma, flat part + 



phoros, to bear) 421 



A suborder of Amphineura, having 

 a spiculed, vermiform body, with 

 foot absent or merely a groove. 

 APQCYM UM AN.DROSAEMIFOLI UM, 



apos'inum (G. apokunon, a plant) . .235 

 APOD A, ap'oda (G. a, without + pous, 



foot) 425, 643, 647 



APONEUROSIS, apoh'newrow'sis (G. 

 apo, from + neuron, tendon ) , defini- 

 tion of 78, 828 



APOTHECIA, apothe'sia (G. apo, 



away + theke, cup) 205 



APPENDICITIS, apendisi'tes (L. ad, 



to + pendere, to hang) 302 



APPENDIGULARIA, iipendikiila'ria 

 (L. ad, to -j- pendere, to hang), defi- 

 nition of . .639 



APPENDICULAR SKELETON, fipfm- 

 dik'ular (see Appendix), definition 



of 73 



APPENDIX VERMIFORMIS, apendtks 

 (L. ad -f- pendere, to hang), defi- 

 nition of . .' 728, ?'//?' 



APPLICATIONS VS. PRINCIPLES. 25, 32 

 APPOSITION IMAGE, ap'ozish'un (L. 

 ad, to -f- ponere, to place) , definition 



of 322 



APTERIUM, ap'te'rium (G. a, without 



+ pteron, wing) 069 



APTERYGIFORMES, apteri'j if orm'ez 



(G. a, + pteron) 425 



AQUATIC, akwa'tik (L. aqua, water.). 



223, 654 



AQUATIC VERTEBRATES 663 



AQUEDUCT OF SYLVIUS, ak'weduct 



(L. aqua, water; duco, lead) . . .511, 845 

 AQUEDUCTUS CEREBRI, akweduk'- 



tiis 845 



AQUEOUS HUMOR, a'kweus (L. aqua,. . 



water) 7.0, 873 



AQUINAS, THOMAS, akwi'nas 378 



ARACHNID A, arak'mda (G. arachne, 



spider) 429 



ARACHNOID, arack'noid (G. arachne, 



spider) 838 



A R A CHNOI DEA, firaknoid'ea (G. 

 arachne, spider -f- eidos, form. 422, 430 



Spiders. 

 ARANEAE, ara'nea (G. arachne, 



ppifler) 422 



An old genus of spiders. 

 ARANTII, duct of.. .795 



ARBOR]'] AL, arbf/real (L. arbor, tree) 654 

 ARC ELL A, arsera (N. L. diminutive 



of area, little box), definition of. . . .147 

 ARCHAEN, arke'an (G. archaios, an- 

 cient) i 395 



ARCHAEOPTERYX, arkeop'teriks (G, 



archaios + pteryx, wing) 671 



Oldest fossil bird, having some 

 characteristics of a reptile. 

 A R C II A E ORNITHE8, arkeor'nlthez 

 (G. archaios, ancient -j- ornis, a 



bird) 425 



Fossil birds of the genus Arch- 

 aeopteryx. 



ARCHEGONIA, arkego'nia (G. arche, 

 beginning -f- gonos, offspring), defi- 

 nition of 215 



ARCHEGONIOPHORES, arkegoniof- 

 orez (G. arche, beginning -f- gonos, 

 offspring + pherein, bear), defini- 

 tion of 218 



ARCHENTERON, arken'teron (G. 

 archos, chief, first; enteron, intes- 

 tine) , definition of 107 



ARCHEOLOGY 32 



ARCHES, VISCERAL, definition of.. 585 

 ARCHESPORE, ar'kespor (G. arche, 



beginning -(- sporos, seed 239, 243 



( Spore-mother-cell. ) 



ARCHIANNELIDA, arkianel'ida (G. 

 . archi, first + annulus, a ring) .... 



283, 420, 428 



A subclass of annelida, supposed 

 to be the nearest living relatives of 

 the archetypal segmented worms. 



ARCHIMEDES, arkime'des 24, 25 



ARCHINEPHRIC DUCT, arkinefrtk 

 (G. archi, first -f- nephros, the kid- 

 ney) 207, 208 



ARCHIPALLIUM, ar'kipal'ium (G. 

 archi, first -f- L. pallium, mantle), 



definition of 843, 848 



ARCIIOPLASMIC, arkoplns'mik (G. 

 archon, ruler + plasma, something 



moulded) , definition of 91 



ARCUALIA, ar'kiuale'eeah (L. arcus, 



bow) .716 



AREA OPACA, a'rea opfi'ka (L. area, 



ground space), definition of 439 



AREA PELLUCIDA, definition of.... 439 

 AREA VASCULOSA, definition of.... 467 

 AREA VITELLINA, definition of .... 467 

 AREOLAR, are'olar (L. areola, 



small space) 110 



ART8TOLOCHIA SIPHO, rir'istdlo'kta 

 (G. aristos, best + locheia, child- 

 birth) 23t 



The common Dutchman's pipe. 



ARISTOTLE, fmstot'al 376, 388 



ARMADILLO, nrmadil'o (from armed) 659 

 1RMOURED FISHES, definition of.. 676 



