, 1875-05-15
LITERATURE.


SEXUAL sTupIeG.
mr. gr.rs Trnou'suour NArnhE: ~ Anro1HEr7E
nanwx Ek4cSwiLt, Au!nr ni Hi.htlrH In General
Hc,enec." tsc:. etc. l2no,, m. 2to. Hew fark: q.
= pusuata's Sous. 2!.2s.
Tho.o are flre oaaaSs In this volumo, all cloeo-
!, rela,otl 10 the subject announced In tho ttls,
and all showing uncommon originality, braaith,
.nt nower Of reasoning. They do not, aa1o in
1omo directly personal alluaions, hosray tho BEE
~ tho writer, but aro impartial. temperate,
loecal and learned arguments ou tho much
.,oo.ed Q,lcBton Of eox In naturo Thoy add
1.uable quota to our understanding Of the sub
ret treating It from = purely scientific point Of
yav, aud iu accordance with iho oxncL and
,ss.ching methods used by tlinkors t.atnod to
Iaponatrate facts by HgidIy mathematical tcsts.
Tho cnntral theory OF tho different papers In tho
..mc, but 1t Ia mitch moro fully developed in tho
frss and longoGt essay, Which has tho tito Of
use1 and Evolution" Tho theory anserss that tho
sa1cs In nl species Of totngs. from tho lomcat to
te highest, arc trua equivalents,-"o oqusls bnt
not klouttcais In development and in relative
x,poupts Of ali normal force" Tic proposition
Is not based upon tho hypothesis of evolution.
G,t is considered In t1,o light Of It, and ia aup-
uuted in firm mud bravo opposition TO the con-
caslons Of sfr. spnucsr and BIZ. Darwin. 1t ia
&t&Illk hlllB tAu1 W EAh1t tAS h9No NJ 14Aok WV
Of tito strongest and most popular leaders OF sci
epco With tho infant to agbt thoin With their own
Weapons and upon thoir own ground, but tho
tevn contluctal, cxonorato tho wons1ly antkGo-
u!rs from every charge Of presumption.
'cuo formnl statement Of the theory e1sB.
Blackwell seeks 10 build Up. il In those words:
!. II clasuol that averago aos and females, in
ery sr+c!es always h1yn Goen Approximately egna'r
toth physically snd n,e,tasy ii n cta!tned ti.t tho
sp1sndaets, nul tbs g1eatar physical hrrngth and
tyJ In 1na1ca, have ean W sach hectea ,lathcnnti-
@ ~ =, s hsh9 p
de1ropmelh; greater raplAty u oTGanlr proccsssa
hre relative auduraane, dependent npnn mora ia~
;n4u.ing moro prompt raaunrst!on nfter every re.
writ az on sde, snersfex. Z y claimed TINT the
sF 1T y IT, deepel I'D q
runs ruet.so tlseaaes Of Ito mails In baauced BY
t.hly in coping with lntailn and reducing hen, ia
katnonioas nd]uasmcnt, Ia a4e female. i y slho
tue tstrslat!re influences u Aex-,nllke praosca vir
trs anil sicPa md yarte moral perceptions, mus. still
'le re7ar1ed sa ActttltInc eqnralents.
To prors ta,o truth OF this proposition, tho
fuuctiona ard tho traits Of malen anl females Of
the same spocios in tEa different divisions Of tho
nliu,al kingdom aro carefully veigllol and COM
pared. It 10 impossible In such Ill investigation
10 fix moro than approximate vaiuea upon tho
various foroas possopuod by either Gox. yot with
sumo degree Of c0rrecsnoss one may ba set oil
agai,lst smother, and something l,!ta d tust bal
auce 10 struck. Az e1ptossoa By tho author:
Nc DO not weigh lead aud s,ubean,h t the En.no
baIsno yet tho a1raHfs tti1nae thoir equivalent
forces some other baHih than nvolr,npoh. 10, II
Tue ay3raEe fclfAe anitlu II tho natural equivalent
bf the ayetaRe 1nAio Of 1ts uwn t3lW tn tLu whole
aggregate OF tAeir differentiated Gukltts, science, by
turning tosesntratet At:eusiol to this protlst mud
applying The adequate tets yet dotaoAstsats this
tact beyond oouiroYefgy.
Box taesf. according to our author. originates
In tho necoBsty for diyeion Of functions In
order to socu1o the pcrpetuatun of tho species.
In the lowest clGHses of organiEns. whero tho
structure ii siinpso aud food an1 warmth aDun-
,da,t, sexless indlviduak multiply a,la continue
the sp"cies. but wtloM, ia tbs process OF eyoln-
tion, organisms grow moro complex and tho
'strnggLs for oxiattnce mora hovcre. ti,a mood OF
two parents for tho production anh nurture OF
onsprioG axses and Ia provided for by tho Ronessa
uud co-operation Of tho Hoxca. Int In eyory
lype 1T being tho BaxeB arc necessarily In
, 'atab'e equilibrium" Thfa iaAccn ih tue hovsr
of = plaut, wle1o statnena End Btnrnens and
ristilB equivalents In tize h!ld structure, and
uac tho eame amount Of forcs, taoush In dlyorRa
s1irectionb. IN tho work Of frl1ctiacatou.
Some portion Of tho elaborate tabular view Of
equations In organic nnture, constructed by Mlf.
Black eli, will lid tho reader n getting clear
idea Of her plan Of proving tue equality Of the
sexes.
THE SEXUAL PLANE.
hALts. YEMkLrS,