roMCIIMN  1'.. 
1.  P,  criitahu  (Linn.)  Lath.  PI.  enl.  KM).  —  Colymbus  cornutus 
Briss.;  C.  urinator  I. inn.  Edwards's  Minis,  pi.  ,'{()0.  f.  2.,  PI.  cnl. 
944. 941.,  Gould,  B.  of  Eur.  pi.  888.,  Aiulub.  B.  of  Amer.  pi.  292. ; 
Type  of  Lophaithyia  Kaup  (1829). 
2.  P.  australis  Gould,  Proc.  Z.  S.  181*.  p.  B.  of  Austr.  pi. 
3.  P.  letmopterut  King,  Zool.Joura.ii.  p.  101.,  Jard.  &  Sclby, 
111.  Orn.  pi.  107. 
1.  P.  i/rixfi/ciKi  (Itodd.)  Lath.  Pi.  enl.  931.  —  Colymbus  rubri- 
collia  GmeL ;  C.  lubcrutatua  Jacq.  V8g.  t.18. ;  C.  parotis  Sparr. 
Mtts.  Carls,  t.  9.  ;  C.  vulgaris  Scop.  ;  C.  CUOUllatUB  et  C.  nivvins 
Pall.  Gould,  B.  of  Eur.  pi.  389.,  Audub.  B.  of  Amer.  pi.  298. ;  C. 
longirostris  Bonn.  ;  Type  of  Podeaithyia  Kaup  (1829). 
5.  P.  cornutus  (GmeL)  Lath.  PI.  enL  404.  f.  2. 942.  Edwards's 
Hirds,  pi.  9I1.  ('.  1.  1  I.').  — Colymbus  obscurus  GmeL;  C.  caspicus 
S.O.Omel.  ;  ('.nigricans  Scop.  Briss.  Orn.  vi.  t.  3.  f.  2.,  Gould,  B. 
of  Eur.  pi.  .''90.,  Audub.  B.  of  Amer.  pi.  259-  J  C.  comosus  Bonn. ; 
(  .  minimis  /V//.;  Type  of  Dytes  Kaup  (1829). 
(i.  P.  aurihu  (Linn.)  Lath.  Edwards's  Birds,  t.  9()-  f-  2.,  Gould, 
B.  of  Eur.  pi.  39I.,  Audub.  B.  of  Amer.  pi.  404. ;  Type  of  Proetopus 
Edup  (1829). 
7.  P.  minor  (Gmel.)  Lath.  PI.  enl.  905.  —  Colymbus  hebridicus 
GmeL  Penn.  Br.  Zool.  ii.  pi.  79- ;  C.  fluviatilis  Br.  Gould,  B.  of 
Eur.  pi.  .392. ;  C.  pyrenaicus  La  Pcyr. 
8.  P.  plti/ippcnsix  (Bonn.)  Temm.  PI  enl.  f)4.'3. —  Podiceps 
minor  var.  ft  Lath. 
9.  P.  poKoetphahu  Jard.  &  Sell>y's  111.  Orn.  t.  —  Podiceps 
DestOI  (iniilil  ;  Type  of  Poliocepbalus  .SV-%  (18.'}  ?). 
10.  P.  rufbptctu*  G.  R.  Gray,  Eaun.  New  Zealand,  App.  p  198., 
Voy.  Ereb.  &  Terr.  Birds,  pi.  1 9. 
11.  P.  nov<c  huilandicB  Steph.  (Jen.  Zool.  xiii.  p.  18.  —  P.  gularis 
Gould,  Proc  Z.  S.  183f).  p.  14.r».  B.  of  Austr.  pi. 
12.  P.  Rulldiuii  Quoy  &  Gaim.  Voy.  de  l'L'ranie,  Zool.  t.  36. 
1 .'{.  P.  kalipareua  Less.  Voy  de  la  Coqu.  Ois.  t.  4.5.  —  Podiceps 
occipitalis  Less.  Pernetty's  Voy.  t.  11. 
14.  P.  dominkus  (Linn.)  Lath.  Briss.  Orn.  vi.  t.  5.  f.  2.,  Azara, 
No.  445. 
15.  P.  major  (Bodd.)  —  C.  cayennensis  Gmel.  PI.  enl.  404.  f.  1. ; 
Podiceps  cayanus  Lath. 
If).  P.  thometuis  (Gmel.)   Lath.  —  Colymbus  insula'  S.  Thorns 
Briss. 
17.  P.  antarcticus  Less.  Rev.  Zool.  1842.  p.  20<). 
18.  P.  arnericanus  Gam.  Voy.  de  la  Coqu.  Zool.  p.  599- 
19.  P-  chiHensis  Gam.  Voy.  de  la  Coqu.  Zool.  p.  601. 
20.  P.  bicornis  (Licht.)  Cat.  Dupl.  Berl.  Mus.  p.  88.,  Azara,  No. 
443. 
PODILYMBUS  LeSS* 
Bill  shorter  than  the  head,  strong,  and  much  compressed  on  the  sides,  with  the  culmen  much  curved 
to  the  tip,  which  is  hooked  over  that  of  the  lower  mandible,  and  entire  ;  the  gonys  short  and  suddenly 
advancing  upwards ;  the  nostrils  placed  anteriorly  in  a  broad  membranous  groove,  oval,  and  exposed. 
Wings  short,  with  the  second  quill  the  longest,  and  the  first  four  more  or  less  emarginated  anteriorly 
near  the  tip.  Tail  not  apparent.  Tarsi  short  and  much  compressed  on  the  sides,  and  the  posterior 
edge  serrated.  Toes  long,  depressed,  and  strongly  margined  on  the  sides,  especially  on  the  inner 
margins ;  the  hind  toe  short,  and  moderately  lobed ;  the  claws  short,  depressed,  and  obtuse. 
The  species  of  this  division  are  peculiar  to  the  New  Continent.  Their  habits  and  manners  are  similar  to  those  just 
described. 
1.  P.  carolinemis  (Lath.)  —  Colymbus  podiceps  Linn.  Catesby's 
Carol,  pi.  91.  ;  C.  ludovicianus  Gmel.  PI.  enl.  943.,  Spix,  A  v.  Bras, 
ii.  t.  100.,  Azara,  No.  444. 
2.  P.  brevirostris  G.  R.  Gray. 
*  M.  Lesson  established  this  division  in  1831  (Traite  d' Ornithologw,  p.  595.).  Sylbeocyclus  of  the  Prince  of  Canino  (1832),  and 
Hydroka  of  Mr.  Nuttal  (1834)  are  synonymous. 
June,  1840". 
