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INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Paleontology— Continued. 
Genera  end  species  described — Continued. 
Vermispongia  n.  gen.,  Whitfield,  12. 
dactyliformis  n.  sp.,  Whitfield,  12. 
hamiltonensis  n.  sp..  Whitfield,  12. 
Vorticordia  S.  Wood,  Arnold,  2. 
(Trigonulina)   bowdenensis  n.   sp.. 
Ball,  8. 
(Trigonulina)     cossmanni     n.    sp. 
Dall,  8. 
dalliana  n.  sp.,  Aldrich,  2. 
(Trigonulina)      emnionsi      Conrad, 
Dall,  8. 
eoceneusis    Langdon     (em.),    Dall, 
8. 
(Haliris)    jamaicensis  n.  sp..   Dall, 
8. 
(Haliris)       mississippiensis      Dall, 
Dall,  8. 
novemcostata    Adams    and    Reeve, 
Arnold,  2. 
quadrangularis  n.  sp..  Aldrich,  2. 
sotoensis  n.  sp.,  Aldrich.   2. 
sp.  indet.,  Dall.  8. 
(Trigonulina)  sp.  indet.,  Dall,  8. 
Vertigo  marki  n.  sp.,  Gulick,  1. 
numellata  n.  sp.,  Gulick,  1. 
Viburnum  hollickii  n.  sp.,  Berry.  4. 
mattewanense  n.  sp.,  Berry.   7. 
ovatum  n.  sp.,  Penhallow,  4. 
Vicarya  callosa  var.,  Becker,  1. 
semperi  n.  var..  Becker,   1. 
Villorita    cyprinoides    (Wood),   Dall,   S. 
fioridana  Dall,  Dall.  8. 
Vinella  Ulrich,  Ulrich  and  Bassler,  1. 
?  multiradiata  n.   sp.,   TTlrich  and 
Bassler.  1. 
radialis   Ulrich,    Ulrich    and    Bass- 
ler, 1. 
radiciformis     (Vine),    Ulrich    and 
Bassler,  1. 
radiciformis    conferta    Ulrich.    Ul- 
rich and  Bassler,  1. 
repens  Ulrich,  Ulrich  and   Bassler, 
1. 
Vitiphyllum  multifidum  Fontaine,  Fon- 
taine, 5. 
Vitrinella  C.  B.  Adams,  Arnold.  2. 
williamsoni  Dall,  Arnold,  2. 
Vitulina  pustulosa  Hall,  Kindle,  1. 
Viverravidse,  Matthew   (W.  D.  i.  19. 
Viverravus  Marsh,  Matthew  (W.  D.),  1. 
Viverravus    Marsh,    Wortman,    3. 
gracilis  Marsh,  Wortman,  3. 
minutus  n.  sp.,  Wortman.  .".. 
viviparus     montanaensis     n.     sp., 
Stanton,  4. 
Volupia  Defrance,  Dall,  8. 
Volutilithes   petrosus    (Conrad),    Clark 
and  Martin,  2. 
sp.,  Clark  and  Martin,  2. 
Volvarina  Hinds,  Arnold,  2. 
Volvula  A.  Adams,  Arnold,  2. 
cylindrica   Carpenter,  Arnold,  2. 
iota  (Conrad),  Martin  (G.  C),  5. 
iota  var.  calverta  n.  var.,  Martin 
(G.  €.),  5. 
Paleontology — Continued. 
Genera  <ni<l  species  described — Continued. 
Volvula    iota    var.    diminuta    n.    var., 
Martin    (G.   C),   5. 
iota  var.  marylandica  n.  var.,  Mar- 
tin (G.  C),  5. 
iota   var.   patuxentia  n.  var.,  Mar- 
tin (G.  C>.  5. 
Vulcanomya  Dall,  Dall,   8. 
Vulpavus  Marsh,  Wortman,  2. 
hargeri  n.  sp.,  Wortman,  2. 
palustris    Marsh,    Wortman,    2. 
Waagenoceras    Gemmellaro,    Smith    (J. 
P.),  3. 
cumminsi  White,  Smith   (J.  P.),  3. 
hilli  n.  sp..  Smith   (J.  P.),  3. 
Wardia  fertilis  n.  sp..  White  (D.),  17. 
Washakius  Leidy,  Wortman,  14. 
insignis  Leidy,  Wortman.  14. 
Westonia  n.  subgen.,  Walcott,  1. 
Westonia,    Walcott,   Matthew    (G.    F.), 
20. 
escasoni,  Matthew    (G.  F.),  20. 
Whitella    canadensis    n.    sp.,    Raymond 
(P.  E.),  7. 
?  siluriana  u.  sp.,  Kindle  and  Bre- 
ger,  1. 
suborbicularis  n.  sp.,  Weller,  6. 
subtruncata    (Hall),   Weller,  6. 
Whitfieldella  Hall  and  Clarke,  Graban, 
1. 
cylindrica  Hall,  Grabau,   1. 
intermedia  Hall,  Grabau,  1. 
lsevis  (Whitfield),  Grabau,  1. 
nitida  Hall,  Kindle  and  Breger,  1. 
nitida  Hall  1843.  Beecher,  1. 
nitida    Hall,    Clarke    and    Ruede- 
mann,  1. 
cf.  nitida  Hall,  Grabau,  9. 
nitida  Hall,  Grabau,  1. 
nitida  var.  oblata  Hall,  Grabau,  1. 
nucleolata   (Hall).  Weller,  6. 
oblata  Hall,  Grabau,  1. 
sulcata   (Vanuxem),  Grabau,  1. 
Whittleseya  Newbury  1853,  White  (D.), 
4. 
brevifolia  n.  sp.,  White  (D.).  4. 
dawsoniana  n.  sp.,  White   (D.),  4. 
desiderata  n.  sp.,  White  (D.),  4. 
Williamsonia?    bibbinsi    Ward    n.     sp., 
Fontaine,  ."">. 
?    .^allinacea    n.    sp.,    Ward,    Fon- 
taine, r. 
oregonensis  n.  sp.,  Fontaine,  1. 
?  sp.,  Fontaine,  1. 
Wilsonia  globosa  n.  sp.,  Decker,  6. 
Wilsonia  saffordi  Hall,  Kindle  and  Bre- 
ger,  1. 
Worthenia?  lasallensis   Worthen?,   Gir- 
(y.  3. 
?  marcouiana  Geinitz?,  Girty,  3. 
mississippiensis    (W.    &   W.),   Wel- 
ler. 2. 
tabulata  Conrad?,  Girty,  3. 
?  sp..  Girty,  ::. 
Xenaphora  zitteli  n.  sp.,  Weaver,  1. 
