PTEROCLIN  E 
;>(>. — Tctrao  IndiOQI  limit.  ;  Pleroclcs  quadriiiiu'tus  Ti  mm.  Jcrd. 
111.  I  ml.  Orn.  t.  10. 
7.  P.  exustus  Temm.  PL  eoL  354.  360.  —  Ptnoohi  lenegalentii 
Lkht. 
8.  P.  varieyntiis  Uurch.  Trav.  S.  Afr.  ii.  345.,  Smith)  111.  S.  Afr. 
Zool.  Birds,  pL  10. 
9.  P.  senegalus  (Linn.)  PL  enL  130.  —  Ptcroclesguttatus  Licht. 
PI.  col.  345. ;  P.  simplex  Less. 
10.  P.  personal  us  Gould,  Voy.  Sulph.  Zool.  pi.  30. 
11.  P.  guttundit  Smith,  111.  S.  Afr.  Zool.  pi.  3.  31. 
12.  P.  coronatus  Licht.  Cat.  Dupl.  Perl.  Mus.  p.  65.  No.  677., 
Temm.  PI.  col.  339,  340. 
Syhuiiaptes  Illig.* 
Bill  very  small,  slender,  with  the  culmen  curved  to  the  tip,  the  sides  compressed,  and  the  lateral 
margins  curved  and  entire;  the  nostrils  basal,  lateral,  and  covered  by  the  frontal  plumes.  Wings  very 
long,  with  t lie  first  quill  the  longest,  and  the  second  ending  in  a  lengthened  thread.  Tail  long  and 
wcdgc-sliiipcd,  with  the  two  middle  feathers  ending  in  lengthened  threads.  7am  robust,  longer  than 
the  middle  toe,  and  entirely  covered  with  feathers.  Toes  moderate,  robust,  the  lateral  ones  united  as 
far  as  their  ends  to  the  middle  toe,  entirely  clothed  above  with  plumes,  and  the  under  surface  strongly 
granulated  ;  the  hind  toe  wanting  ;  the  claws  long,  robust,  and  curved. 
This  singular  bird  inhabits  the  sandy  deserts  of  Northern  Asia. 
S.  paradoxus  (Pall.)  111.  Pall.  Itin.  ii.  t.  1.  —  Syrrhaptes  Pallasii  Temm.  PI.  col.  95.  ;  Heteroclita  tatarica,  or  Syrrhaptes  heteroclita 
Vieill. 
•  Established  by  Illiger  {Prodr.  Syst.  p.  248.)  in  1811.  In  1813,  M.Fischer  proposed  Nematura ;  and  Vieillot,  in  1816,  used 
Heteroclitus  for  the  same  bird. 
March,  184.5. 
