ETI- 
to blanch.] The condition pro- 
Pace in plants reared in darkness 
etiolin ay tidlin) # [F. étio wi? - 
bla A yellowish pigm 
found in the senior ott of canis 
n darkne YS. 
idle Bi, nee aetiology. 
grow 
etiology (2 
‘tér) 7. “, good ; 
e 
euaster (ids 
aster, star. 
raysm 
ete Seti, -séf-)a. [Gk. 
eu. he 
With 
men makin bent appl. certain 
insect larvae (z00/.). 
eucone secon a. [Gk ew 1 
ko: stal- 
0S, CO ney Having t the 
line cones ully de er in the 
aries elements of the compound 
eye 
eudipleural (@diploo’ ral) a. [Gk. e 
good ; dis, double ; Alewron, side] 
Peancentat raced h median plane ; 
bilaterally creeairape (zool.). 
eu ages uiddk’sd [Gk. ez, 
; ere: Sat pie pei 
“ee -swim ming stage of a Siphon 
phore in = there is no ais 
calyx 
eugenics * (ajen'tks) n. (Gk. ew, well ; 
genos, bitth.] The science dealing 
with the improvement of stoc 
usually —— d to betterment of 
human race (éfo/.). 
euglenoid Cagien’oid) a. Dore well ; 
a oa 
(rim n. {Ge # 
rt.} An agree: 
Gun oof Tike og (Giol. \ 
eumerogenesis (i'm crc capas n. 
[Gk. ew, well; meros, part; gig- 
nesthat to pons uce. ] Sermentation 
which t 
@ 
‘a8 
pai 
y= 
e units are similar at 
for ac pera time (d7o 
is 
broad; Aalinos, marine. 
marine animals adaptable to a wide 
range of salinity ; cf. stenohaline 
(dio/.). 
eurypylous ad lis) a. [Gk. eurys, 
broad ; pyle, gate.] Wide at the 
opening ; ty canal system of 
99 
EVO- 
Sponges in which the chambers 
— directly into the excurrent 
nals by wide e 
i in 
(aol) through the _prosopyles 
Z. 
eusporangiate = ccs ‘jiat) a. [Gk. 
eu, well; sf eed ; anggeion, 
ed fr 
that follows the periclinal division 
of the sabre initial ; cf lepto- 
sporan e (do8. 
Eustachian mane wheel ee a, [It. Eustachi, 
Italian physician cana 
connecting tympanic cavity with 
pharynx (anaz. 
—a rudimentary 
valve guarding the orifice of the 
cnapiress vena “a in the atrium of 
the heart (ana 
eustele “(al se [Gk. eu, well; 
aay pillar. ] The arrangement of 
vascular tissue into collateral 
bende with the conjunctive tissue 
oe as in atypical Dicotyledon 
eustomatous ghost ies bs a 
well; stoma out 
distinct mouth- like opening pa se 
euthenies (iithén’iks) 7. ence © uthen- 
ein, tothrive.] The science of the 
betterment of the human race on 
the side of fivhatioes morals 
the psychological as distinct Peat 
the ca deere ag improvement, or 
eugenics (dz0 
uu 
rock mag ‘thini’riis) a. k. 
putas: straight; meuron, “nerve.] 
aving the visceral loop the 
appearing 
a 
escere, to vanish.] Dis 
early; appl. flowers which fade 
quickly (do¢. 
eviscerate (avis érat) ev. [L. out ; 
apts entrails.] To mabowik: 
to eject the viscera, as Holothurians 
do ste capture (zool, 
ppp (e cb a. [L. evolvere, to 
oll.] ned back ; unfolded 
evolution (e'vola’shiin) #. [L. evol- 
