Plutarch,  hoWeTer(Vt(.  Lifeurg.,  e.  3).  aaya  that  the
change  of  name  waa  owing  to  Eurypoo'a  baring  rdaz-
ed  the  atrietneas  Of  kingly  goTemment,  and  indined  to
the  intereate  of  the  people.  (Conault  VaUkameri  ed
TVoerit.  ^denittt.,  p.  871. >

EoKraTBiMna,  a  era  of  Ariatodemna,  who  idgned
conjointly  whb  bw  twin-brathet  Procles  at  SparU.  It
waa  not  known  which  of  the  two  was  boni  firsf;  the
mother,  who  wished  to  see  both  ber  sons  raised  on  the
throne,  refused  to  declare  it ;  and  they  were  both  ^
pointed  kinga  d"  Sparu  by  order  d  the  otacle  of  Del-
phi, B.G.  1 108.   After  the  death  tf  the  two  brotbere,
the  LeeednmoaiBBe,  tdw  know  not  M  vrtwt  feuitr  the
r^  of  seniority  and  sueceeskia  belonged,  permitted
two  kings  to  sit  on  the  throne,  on*  of  each  femily.
The  deacendantfl  of  Eurysthenea  were  cdled  Eitf^e-
ihen^A,  and  those  of  Prodea,  ProdUa.'  It  was  in-
consiatent  with  the  lawa  of  SparU  for  two  kinga  of  the
same  family  to  ascend  {be  throne  together^yet  that  law
wsa  sometimes  viobted  by  oppression  and'  tyranny.
Eaiyathenea  had  a  son  called  Agio,  who  eucceeded
him.   His  deacendanU  were  eiAMAgida.  There  ast
on  the  throne  of  SparU  81  kinn  of  ute  family  of  Eu-
rysthenea. and  only  84  of  (he  Proelide.   The  fbnner
were  the  more  illuatriooa.   (JV«rodof.,  4, 147;  8, 58.—
Pmusan  ,  3,  1.— C.  Jfrt.,  VU.  Aget.)
EoxTeTHMiDjB.    Kid.  Eorysthenea.
EtrRTaTHOS,  a  king  of  Atgoa  and  Myeenw,  son  of
Stbeneha  and  Nldppe  the  datwhter  of  Pelopa.  Jnno
baetened  hu  birth  aj  two  inontna,.thax  he  might  come
into  tiie  wtnU  before  Hemulea,  the  son  of  Alcmen'a,
as  Uie  yoonger  of  the  two  was  doomed  by  order  of  Ju-'
piter  IQ  be  subeervient  to  the  will  of  the  other.   ( Vid.
