, 1875-05-15
fLANTB4
stssnsns nj tA+ prod4ets .stits and tstr pfaduel

= 1AsEcrs.
,a4ues.r> sstruesuz.,
- stzs, / s!ze,
Ss'Iss:,, 3s'is: iissssfiysl.y.
ssxul lore, :. te1uai lors,
tWan:angi. Parental losA
Y1suEs.
tss:sFustas~ ss :ss,rsctass
tcolor. color,
tAeuy!ty. EActivily.
Products, Products,
iS ssaasi iSSv., Esssaa! E,aIfS ioSyA
1Psrantai loxs. tWsuuns,s
.structas., Structure,
soier, stiS' -seais; eois;r,
tOrna,nsuta, l. Ornaments.
Actt,Ay, T. Activity,
= Products, T1oaucts,
Nn1turs ! t Nurture,
Pugnae!tT, -Pu9uac!ty,
ScxuAl Iovs, Sexual lovs,
-PArentsl 1--we. I Parental lorA
oAaN1vollA.
-stsuctess, structure,
t0rns.s<nsA F. Ornaments,
Strength - tstreuath,
activity. Activity,
- Direct nnrturs, Direct nurture,
Indirect natturs, Indirect nutnss.
as:saa, assat,1sS; IL, + sn1ifNs; sssnai icys,
-Pszsntsl l<vas Parental laVe.
NAN.
--straeal,s. tstsucsuns,
Size, = Size,
Amo';,s II activity, : A,nount % of activity,
- nate OF activity I late OF activity,
- iate Of circulation, llate Of circulation,
- Products, lToiucss,
- ptret4 nurausa. Direct nurture.
- 1ntilrtct nurturt, + Indirect nurluIs.
tssxNalloys, r. Hoxuul love,
-. Pafs otAl love, rrentnl love,
1sssk .ning pewetsy r ltsasaning powers.
-DlreA insight Il psla-i Direct tnsIght of Isla-
t1hosghs, rhoaaht, rhSiht
tFecilng, Fse!Inx,
Moral lowess, Neral powers.
rheae approximate equations arc largely collect
ed from Darwin'a extended comparisons ct
the f0tcs e1pended by tho fomals In bearing aud
AurtunnK offspEing IL mado to offset that ex-
hauktud by lilo nlalo III tils development Of
brighter colota, of ornamental and anpor1unns
traits aud functions distinguishing tho sc1ss No
ly no ,naanB inyatiAblo In tho species OF lid
different claasea but sro maaJ OF them inter-
chapEeabla. Yot whon tho female puts on Tho
II is argued by Airs. Blackwell that the equilb-
rum ~ sustained BY corresponding aRsutnp-
ton Ut feminine habits aud GAita by tho uale.
Whcn ths femals bird sports brighter p1u1nsge
than The naalo, 1t IL found to ho thu cston of lie
Latter to tAko the greAter oaro Of tho young, to
brood over them Ia tho nest ard To provide \
hrxo portion Of their food. Also when male
bisdi greatly Rurpsas their matoa In bsilliancy OF
pluntags. they Aro ixchiug Ia parental iovo aud
pe8Iset tho nurture Of theiE o1spriug.
TEs peacock cau afford toa ttuao and dovelop the
nleEss tor displaying hia hno p!o1nase VI Ill occa-
@ons; ~hls thu busy Astie lou*ehnh1kr whn studies
Low - weave tbs beat atsaw tno lin dotnic!s IN thu
eest lnannsr rosaialo. who sh 2ufuy upon the heas
nov aud theh. sr bTinss tie breakfast 10 his more
PaEett sou1s who Esiocas - 4ho does oyoF lAo nsw
chicks aud does Liz bsss ia fccd them aud to giro
shem ayin4 leaaons Whom thoy ass old enouEh--tlns
ooss h'&bly-lsvelopel aad betsr-hslRnesd pss.oh-
s8e 4a neilhsf t1as nur eucFgy to devote 70 tho uegs
OF 4&s- llo may stpK very tle, may ha sesrgY.
Larger Or brighter coIoral than LIS mate, An1 Eot
mo1s xssa,ks Of chiyslroas; y.4 Hho snail say
AA ha Rits AEr not fairly olItvatnt Ia 1os0 ot his
@eFs ahoxy eoualna, Tbs 1atnaciuf
In mental trAisp, alss. Blackwell 1pt.a thkt tue
seasR hays universally differed ~ Fundamentally
~ " tie organisms through which thought and
toolinK RTo evolved. and Also that appAxeutiy the
t!aneo Of psychlssl qualities Aas boen :. asrie.-
AiptA!nel a8 IN cave OF tit pAyatcal tlua!lttss
In woman, tho smaller Ald moro eonanlex ptrup.
ake 10 more lo'icatoay elaborated, Iciroulation
and respiration agG mora rapid, and het mental
piooeasea arc taota swiftly executed thau IN man
md thua tho equilibrium of the two Il ostab.
tsaAd. AZ ttese IL IN oqual diYtaion Of foros
sstsssa man aud woman, - thero should 10 q
- &dViaiou Of duties. ~ Oh tbs former do.
tot7aa liza ditsat kurtu1s el hsr otfap5ins for
'e-"'v s'ns4hr h"fors ard sh.r .HAA+ Htt.'" th-