APPENDIX.  443

Some  specimens  of  C.formosa  received  from  Perak  are  much  paler  in  hue,  and  seem
to  connect  it  with  the  form  or  species  I  described  as  G.  earli  {antea,  p.  141).  Mr.  de
Niceville  has  communicated  his  opinion  to  me  that  he  considers  C.  codes,  C.  formosa  and
C.  earli  to  be  all  phases  of  one  species,  and  certainly  there  is  much  to  impress  this  view,  which
if  accepted  must  also  include  aud  synonymically  sink  several  other  described  "  species."
Actual  breeding  must,  however,  decide  this  question,  and  at  present  I  treat  them  here  as
distinct.  Certainly  C.  codes  is  much  further  removed  from  C.  formosa  than  the  last  named
is  from  C.  earli.*

5.  Cyrestis  periander.     (Tab.  XLI.,  fig.  10.)

Piipilio  Periander,  Fabricius,  Maut.  Ins.  ii.  p.  9,  n.  74  (1787)  ;    Ent.  Syst.  iii.  p.  65,  n.  204  (1793) ;    Don.  Iiis.
Ind.  t.  37,  f.  1  (1800).
Nymphalis  Periander,  Godt.  Enc.  Metb.  ix.  p.  362,  n.  42  (1823).
Paphia  Perimuler,  Horsf.  Cat.  Lep.  E.I.  C.  t.  5,  f.  3,  3((  (1829).
Cyrestis  Periander,  Horsf.  &  Moore,  Cat.  Lep.  Mus.  E.  I.  C.  vol.  i.  p.  147,  u.  299  (1857) ;  Butl.  Cat.  Fabr.  Lep.
p.  82,  n.  2  (1869).
Cyrestis  Themire,  Honrath,  Berl.  Entomol.  Zeitscbr.  Bd.  xsviii.  Heft  1,  p.  398,  t.  x.  f.  5  (1884).
