630 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Paleontology— Continued. 
Genera  and  species  described — Continued. 
Agnostus     trisectus     Salt.,     inut.     ger- 
manus,  Matthew  (G.  F.),  9,  20. 
trisectus    Salt.,    mut.    ponepunctus 
n.  mut.,  Matthew   (G.  P.).  9,  20. 
Agomphus  Cope,  Wieland,  13. 
masculinus    Wieland    n.    sp.,    Wie- 
land, 13. 
tardus  Wieland  n.  sp.,  Wieland,  13. 
turgidus  Cope,  Wieland,  13. 
Agoniatites  Meek,  Smith  (J.  P.),  3. 
expansus,  Clarke,  2. 
opiums       White       and       Whitfield, 
Smith   (J.  P.),  3. 
Agraulos  saratogensis  Walcott,  Weller, 
6. 
Agrioehoerus  maximus  n.  sp.,  Douglass, 
4. 
minimus  n.  sp.,  Douglass,  4. 
Agriopoma  Dall,  Dall,  8. 
Ailauthus  ovata  Lesq.,  Knowlton,  14. 
Alasmidonta  Say,  Letson,  1. 
calceola   (Lea)  Simpson,  Letson,  1. 
truncata    (Wright)    Simpson,    Let- 
son,  1. 
Alhertosaurus  sarcophagus  n.  gen.   and 
sp..  Osborn,  50. 
Aldrichiella  nom.  nov.,  Vaughan,  16. 
Alectryonia  sp..  Shattuck,  8. 
Aligena  H.  C.  Lea.  Arnold.  2. 
a>quata  (Conrad),  Glenn,  6. 
sequata  var.  nuda  Dall,  Glenn,  6. 
cerritensis  n.  sp..  Arnold.  2. 
pustulosa  Dall,  Glenn,  0. 
Alisina  barnetti  n.  sp.,  Kindle,  1. 
barnetti  var.  elongata  n.  var.,  Kin- 
dle, 1. 
Allerisma  terminale  Hall,  Girty,  3. 
Allogramma  Dall,  Dall,  8. 
Allomeryx    planiceps    n.    gen.    and    sp.. 
Sinclair,  6. 
Allonema  n.  gen..  Ulrieh  and  Bassler,  1. 
fusiforme      (Nicholson     and     Eth- 
ridge,  jr.),  Ulrieh  and  Bassler,  1. 
?  minimum  n.  sp.,  Ulrieh  and  Bass- 
ler,  1. 
moniliforme   (Whiteaves)    and  var. 
aggregatum   n.    var.,   Ulrieh    and 
Bassler,  1. 
waldronense     n.     sp.,     Ulrieh     and 
Bassler.   1. 
Allops  ampins  Marsh,  Osborn,  10. 
crassicornis  Marsh.  Osborn,  10. 
serotinus  Marsh,  Osborn,  10. 
Allorisma  costatum  Meek  and  Worthen, 
Beede,  1. 
geinitzi  Meek,  Beede,  1. 
granosum  (Shumard),  Beede,  1. 
kansasensis  n.  sp.,  Beede,  74. 
subcuneatum  Meek,  Beede,  1. 
Alnus  coryfolia  Lesq.,  Knowlton,  16. 
macrodonta  n.  sp.,  Knowlton,  14. 
Paleontology— Continued. 
Genera  and  species  described — Continued. 
Alticamelus  n.  gen.,  Matthew   ( W.  D.), 
2,  15. 
altus   (Marsh),  Matthew    (W.  D.), 
2. 
Alveolites  dispansa  n.  sp.,  Greene,  9. 
subangularis  n.  sp.,  Greene,  9. 
Alveopora  regularis  Duncan,  Vaughan, 
2. 
Amalthea   marylandica   n.   sp.,   Martin, 
5. 
Amaura  Moller,  Arnold,  2. 
Amblypus  E.  Hitchcock,  Lull,  2. 
dextratus  E.  Hitchcock,  Lull,  2. 
Amblysiphonella         prosseri         Clarke, 
Beede,  1. 
Ambocoelia    nana    Grabau,    Wood     (El- 
vira  ),  1. 
planiconvexa  Shumard,  Girty,  3. 
planoconvexa   (Shumard),  Beede,  1. 
umbonata  (Conrad).  Kindle,  1. 
umbonata   (Con.),  Weller,  6. 
umbonata  Conrad,  in  tit.  pluto  nov., 
Loomis,  4. 
umbonata    Conrad,    mut.    pygmsea 
nov.,  Loomis,  4. 
Ambonychia?  curvata   n.   sp.,   Raymond 
(P.  E.),  7. 
septentrionalis    n.    sp.,    Whiteaves, 
17. 
Amiantis,  Carpenter,  Dall,  8. 
Amiantis  Carpenter,  Arnold,  2. 
section  Amiantis  s.  s.,  Dall,  8. 
section  Eucallista  Dall,  Dall,  8. 
callosa  Conrad,  Dall,  8. 
Ammonitella    yatesi    praecursor,    Stan- 
ton, 1. 
Amnicola  Gould  and  Haldeman,  Letson, 
1. 
letsoni  Walker,  Letson,  1. 
limosa   (Say)   Hald.,  Letson,  1. 
protia   Gould,    Stearns    <  R.    E.   C>, 
2. 
Amnigenia    catskillensis    Vanuxem    sp., 
Clarke,  4. 
Amphiblestrum    agellus    n.    sp.,    Ulrieh 
and  Bassler,  4. 
constrictum     n.     sp.,     Ulrieh     and 
Bassler,  4. 
Amphichelydia,  Hay,  23. 
Amphicoalia    neglecta   McChesney,   Kin- 
dle and  Breger,  1. 
Amphicyon  americanus,  Wortman,  1. 
americanus      Wortman,      Matthew 
(W.  D.),  5. 
sinapius  n.  sp.,  Matthew    (W.  D.), 
r. 
ursinus  Cope,  Matthew  (W.  D.),  5. 
Amphigenia  elongata  (Van.),  Weller,  6. 
Amphilichas    n.    n.    for    Platymetopus, 
Raymond   I  P.  E.),  6. 
Aitiphion  canadensis    Billings,  Raymond 
(P.   B.)i   5. 
Amphissa  H.  and  A.  Adams,  Arnold,  2. 
corrugata  Reeve,  Arnold,  2. 
