FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
725 
Paleontology — Continued. 
Genera  and  species  described — Continued. 
Trochosmilia  ?  sp.  indet.,  Vaughan,  17. 
Trochus  sp.,  Shattuck,  8. 
Troodon  formosus  Leidy,  Lambe,  3. 
Troostocrinus  ?    dubius    Rowley,    Row- 
ley, ::. 
Trophon  Mohtfort,  Arnold.  2. 
(Boreotropbon)    cerriiensis   n.    sp., 
Arnold.  2. 
chesapeakanus  n.  sp.,  Martin,  5. 
gabbiana  n.  sp.,  Anderson,  7. 
(Boreotropbon)  gracilis  Perry,  Ar- 
nold, 2. 
kernensis  n.  sp.,  Anderson,  7. 
(Boreotropbon)    multi  costatus 
Escbscboltz,  Arnold,  2. 
(Boreotropbon)     pedroana    n.    sp., 
Arnold,  2. 
(Boreotropbon)    seal  a  r  i  f  o  r  m  i  s 
Gould,  Arnold.  2. 
(Boreotrophon)    stuarti    Smith, 
Arnold,  2. 
(Boreotrophon)     stuarti    Smith, 
var.  precursor  new  var.,  Arnold, 
2 
sublevis  Harris,  Clark  and  Martin, 
2. 
(Boreotrophon)   tenuisculptus  Car- 
penter, Arnold,  2. 
tetricus  Conrad,  Martin,  5. 
tetricus  var.  lsevis  n.  var.,  Martin, 
5. 
(Boreotrophon)    triangularis   Car- 
penter, Arnold,  2. 
sp.,  Martin,  5. 
Tropidocyelas  Ball,  Ball,  8. 
Tropidocyclus  Be  Koninck,  Clarke,  19. 
hyalinus  n.  sp.,  Clarke,  19. 
Tropiceltites     Mojsisovies,     Hyatt    and 
Smith,  1. 
frecbi  n.  sp.,  Hyatt  and  Smith,  1. 
Tropidocaris,  Beeeher,  8. 
alternata,  Beeeher,  8. 
bicarinata,  Beeeher,  8. 
Tropidoleptus  earinatus  (Conrad),  Kin- 
dle, 1. 
earinatus    Conrad,     Raymond     (P. 
E.),  3,  4. 
earinatus  (Con.),  Weller,  6. 
earinatus    Conrad,    mut.    pygmseus 
nov.,  Loomis,  4. 
Tropidomya  Ball  and  Smith,  Ball,  8. 
Tropisureula  n.  gen.,  Casey,  5. 
caseyi  Aid.,  Casey,  5. 
erenula  n.  sp.,  Casey,  5. 
Tropites  Mojsisovies,  Hyatt  and  Smith, 
1. 
Tropites  Mojsisovies,  Smith  (J.  P.),  5. 
dilleri  n.  sp.,  Smith  (J.  P.),  5. 
subbullatus      Hauer,      Hyatt     and 
Smith,  1. 
torquillus    Mojsisovies,    Smith    (J. 
P.),  5. 
Tropitidse      Mojsisovies,      Hyatt      and 
Smith,  1. 
Paleontology — Continued. 
Genera  and  species  described — Continued. 
Tropitoidea  Hyatt  and  Smith,  1. 
Truncatella  sp.  indet.,  Ball,  15. 
Truncatulina  d'Orbigny,  Bagg,  6. 
lobatula      (Walker     and      Jacob), 
Bagg,  1,  6,  !>. 
pygmaea  Ilantken,  Bagg,  9. 
ungeriana   (d'Orbigny),  Bagg,  1. 
variabilis  d'Orbigny,  Bagg,  9. 
variabilis  d'Orbigny.   Bagg,   6. 
wuellerstorh"    (Schwager),  Bagg,  9. 
Tryblidium   exsertum   n.   sp..    Sardeson, 
9. 
patulum  n.  sp.,  Cleland.  3. 
repertum  n.  sp.,   Sardeson,  2. 
validum   n.   sp.,   Sardeson,   9. 
Trypanotoma  Coss.,  Casey,  5. 
longispira  n.  sp.,  Casey,  5. 
obtusa  n.  sp.,  Casey,  5. 
terebriformis  Meyer,  Casey,  5. 
Tuba    marylandica     n.    sp.,    Clark    and 
Martin,   2. 
Tudicla   marylandica    n.   sp.,   ('lark   and 
Martin,   2. 
sp.,  Clark  and  Martin,  2. 
Turbinella  ?  demissa  Conrad,  Martin,  5. 
(Psilocoehlis)  mccallie,  Ball,  12. 
Turbinolia    acutieostata     Vaughan, 
Vaughan,  1. 
Turbo?  beneclathratus  n.  sp.,  Cragin,  2. 
shumardi  Be  Verneuil,  Kindle,  1. 
Turbonilla  Risso,  Arnold,  2. 
(Pyrgolampros)    adleri  B.  &  B.,  n. 
sp.,  Arnold.  2. 
(Pyrgolampros)    arnoldi    B.    &    B.. 
n.  sp.,  Arnold,  2. 
(Lancea)    aurantia   Carpenter,   Ar- 
nold, 2. 
(Pyrgiscus)    auricoma  B.  &  B.,   n. 
sp.,  Arnold,  2. 
(Pyrgiscus)   crebrifilata  Carpenter, 
Arnold,  2. 
(Pyrgolampros)     gibbosa     Carpen- 
ter, Arnold,  2. 
(Tragula)  gubernatoria  n.  sp.,  Mar- 
tin, 5. 
(Pyrgiscus)     interrupta     (Totten), 
Martin.  5. 
(Pyrgisculus)      laminata     Carpen- 
ter, Arnold,  2. 
(Pyrgiscus)    latifundia  I).  &  B.,  n. 
sp.,  Arnold,   2. 
(Pyrgolampros)    lowei  B.   &  B.,  n. 
sp.,  Arnold,  2. 
(Pyrgolampros)    lowei,    var   pedro- 
ana D.  &  B.,  n.  sp.,  Arnold,  2. 
(Strioturbonilla)      muricata      Car- 
penter, Arnold,   2. 
(Chemnitzia)        nivea       Stimpson, 
Martin,  5. 
(Chemnitzia)   nivea  stimpson  var., 
Martin,  5. 
(Lancea)    pentalopha   B.    &   B.,   n. 
sp.,  Arnold,   2. 
potomacensis     n.     sp.,     Clark     and 
Martin,  2. 
