Index 



453 



ELASMOBRANCHII, elas'mobran'ke-i 

 (G. elasmos, plate + branchia, 

 gills) 427 



ELECTROTROPISM, elektrotro'pizm 

 (G. electron, amber + trope, turn- 

 ing ) , definition of 128 



ELEMENTARY EMBRYOLOGY 100 



ELEPHANTIASIS, elefanti'asis (G. for 

 elephant disease) 305 



ELYTRA, elit'ra (G. elytron, sheath) .337 

 The anterior wing of certain in- 

 sects, hard and case-like; one of the 

 scales or shield-like plates found on 

 the dorsal surface of some worms. 



EMBIDARIA 425 



A sub-class of Siphunculata. 



EMBIIDINA 425 



An order of Embidaria. 



EMBRYOLOGY 31 



Elementary 100 



Of bee 363 



Of earthworm 280 



Of insects 347 



EMBRYONIC SAC 245 



EMERIA STIEDAE 153 



EMOTIONS, definition of 175 



EMPIS, em'pis (G. empis, a mosquito 

 or gnat) 331 



EMULSION, definition of 50, 94 



ENCYRTUS, enser'tus (G. enkyrtos, 

 curved in ) 347 



ENCYST, ensist' (G. en, in; kystis, 



bladder) 128, 130 



For a small animal or a cell to 

 surround itself with an outer coat. 



ENDOCRINE GLANDS, endokrin (G. 

 endon, within; krinein, to separate) . 52 



ENDODERM or ENDODERMIS, ento- 

 derm (G. endon, within; derma, 

 skin) , definition of 107, 230, 231 



ENDOGENOUS (G. endon, within + 

 gignesthaA, to produce) 229 



E N D O P A R ASITIC, en'dSpar'asit'ik 

 ( G. endon, within ; para, beside ; 

 sitos, food) , definition of 289 



ENDOPLASM, en'doplazm (G. endon, 

 within; plasma, something moulded) 

 See Endosarc. 



ENDOPODITE, endop'odit (G. endon, 



within ; pous, foot ) 315 



The inner or mesial branch of a 

 biramous crustacean limb, or the 

 only part of a biramous limb re- 

 maining. 



ENDOSARC, en'dosark (G. endon, 



within; sarx, flesh) 122 



The inner portion (or endoplasm) 

 of the protoplasm in a cell. 



ENDOSKELETON, en'doskel'eton (G. 



endon, within; skelletos, hard) 46 



The inner skeleton as opposed to 

 the exoskeleton. 



ENDOSPERM, en'dosperm (G. endon, 

 within; sperma, seed), definition 

 of 241, 246 



ENDOSPORE, en'dospor (G. endon, 

 within -f- amoeba 143 



ENDOTHELIUM, en'dotheTium (G. 

 endon, within + thele, nipple), defi- 

 nition of 272 



ENERGY 30 



ENGLISH LANGUAGE, need of 40 



ENTAMOEBA BUCCALIS (G. entos, 



within -f- amoeba) 143 



Coli 145 



Dentalis 143 



Gingivalis 1^3 



Eystolytica 143 



ENTEROBIUS VERMICULARIS ... .302 



ENTERON, en'teron (G. enteron, 



gut) 281 



The alimentary tract. 



ENTEROPNEUSTA, en'teropnu'sta (G. 

 enteron, intestine + pneustos, breath- 

 ing) 427 



ENTODERM, en'toederm (G. endo + 

 derma, skin) 107 



ENTOMESODERM, definition of 363 



ENTOMOLOGIST, entomol'ojist (G. 

 entomon, insect ; logos, discourse ) , 

 definition of 420 



ENTONISCIDAE, entonis'kide ( G. 

 entos, within + oniskos, a wood 

 louse) 328 



ENTOPROCTA, entoprok'ta (G. entos 

 + proktos, anus), definition of 311 



ENVELOPES, FLORAL, en'velups (F. 

 envoloppe, covering) 2Jf3 



ENVIRONMENT, environment ( F. 



environ, about) 32, 158 



The sum total of the external in- 

 fluences acting on an organism. 



ENZYME, en'zim (G. en, in; zyme, 



leaven) 96, 190 



A chemical or unorganized, soluble 

 ferment. 



EPHEMEROIDEA 426 



A sub-class of Pterygogenea. 



EPIBLAST, ep'iblast (G. epi, upon; 

 blastos, bud) . definition of 107 



EPIBOLE or EPIBOLY, epib'oli (G. 

 epi, upon + ballein, to throw) 107 



EPICORACOID, ep'ikor'akoid (G. epi, 

 upon; korax, crow; eidos, resem- 

 blance) 76 



Pertaining to an element, usually 

 cartilaginous, at the sternal end of * 

 the coracoid in amphibians, reptiles, 

 and monotremes. 



EPICRANIUM, ep'ikranium (G. epi, 



upon; kranion, skull) 335 



The region between and behind the 

 eyes in an insect's head. 



EPIDERMIS. ep'ider'mis (G. epi, 

 upon; derma, skin) 46. 230 



