680 
INDEX   TO    NORTH    AMERICAN    GEOLOGY 
Paleontology— Continued. 
(,<  in ■}•<!■  and  species  described — Continued. 
Martesia  maloniana  n.  sp.,  Cragin,  2. 
ovalis  (Say),  Glenn,  6. 
?  parvula  n.  sp.,  Whiteaves,  12. 
Martinia  subumbona   (Hall),  Kindle,  1. 
williarnsi  n.  sp.,  Kindle,  1. 
Mastodon,  Douglass,  8. 
americanus,  Holland,  3. 
Matheria  brevis  n.  sp.,  Whiteaves,  8. 
Matonidium  althausii    (Dunker)    Ward, 
Fontaine,  ::. 
Meandriana  Lamarck,  Vaugban,  2. 
inaeandrites    (Linnaeus),    Vaughan, 
2. 
Medlicottia,  Waagen,  Smith  (.1.  P.),  3. 
copei  Whire,  Smith  (J.  P.),  3. 
Medullosa  stellata  var.  gigantea,  White 
(D.),  19. 
stellata    var.    typica,    White    (D.), 
19. 
Meekella  striaticostata  Cox,  Girty,  3. 
striatocostata  (Cox),  Beede,  1. 
Meekoceras  Hyatt,  Hyatt  and  Smith,  1. 
Meekoeeras  Hyatt,  Smith  (J.  P.),  5. 
(Gyronites)  aplanatum  White,  Hy- 
att and  Smith,  1. 
(Gyronites)       aplanatum      White, 
Smith  (J.  PJ.  5. 
gracilitatis   White,    Smith    (J.   P.), 
5. 
gracilitatis      White,      Hyatt      and 
Smith,  1. 
(Prionolobus)   jacksoni  n.  sp.,  Hy- 
att and  Smith,  1. 
(Koninckites)  mushbachanum 
White.  Smith   (J.  P.).  5. 
(Koninckites)  mushbachanum 
White,  Hyatt  and  Smith,  1. 
pilatum  n.  sp.,  Hyatt  and  Smith,  1. 
(Prionolobus)    waageni  n.  sp.,  Hy- 
att and  Smith,  1. 
Meekoceratidae,  Hyatt  and  Smith,  1. 
Meekopora  Ulrich,  Condra,  2. 
prosseri  Ulrich  n.  sp..  Condra  1,  2. 
Megablattina  n.  gen.,  Sellards,  5. 
beecheri  n.  sp.,  Sellards,  5. 
Megacerops,  Lull,  6. 
amplus  Marsh.  Lull,  5. 
angustigenis  Cope,  Osborn,  10. 
avus  Marsh,  Osborn,  10. 
bicornutus  Osborne,  Lull,  5. 
bicornutus  n.  sp.,  Osborn,  10. 
brachycephalus  n.  sp.,  Osborn,  10. 
coloradensis  Leidy,  Osborn,  10. 
dispar  Marsh,  Osborn,  10. 
marshi  n.  sp.,  Osborn,  10. 
robustus  Marsh,  Osborn,  10. 
?  selwynianus  Cope,  Osborn,  10. 
tichoceras    Scott   and   Osborn,   Os- 
born, 10. 
tyleri  n.  sp.,  Lull,  5. 
Megalneusaurus  Knight,  Williston,  14. 
Megalocnus  Leidy,  Vaughan,  9. 
Megalomphala    robusta    n.    sp.,    Whit- 
eaves, 17. 
Paleontology — Continued. 
Genera  and  species  described — Continued. 
Megalonyx  jeffersonii  Leidy?,   Sinclair, 
7. 
sierrensis  n.  sp.,  Sinclair,  7. 
wheatleyi  Cope?,  Sinclair,  7. 
?  sp.,  Sinclair,  7. 
Megambonia    aviculoidea    Hall,    Weller, 
6. 
bellistriata  Hall,  Weller,  6. 
parva  n.  sp.,  Weller,  6. 
?  sp.  undet.,  Weller,  6. 
Megapezia  n.  gen.,  Matthew  (G.  F.),  21, 
30. 
pineoi  n.  sp.,  Matthew  (G.  F.),  21, 
30. 
Megistocrinus  abnormis    (Lyon),  Wood 
(Elvira),  3. 
circulus?  Rowley,  Greene,  13. 
circulus  n.   sp.    (Rowley),   Greene, 
2 
corniger  n.   sp.    (Rowley),  Greene, 
2_ 
corniger,  Rowley,  Greene,  9. 
depressus    (Hall),  Wood    (Elvira), 
3. 
expansus  Miller  and  Gurley,  Wood 
(Elvira),  3. 
expansus  M.  &  G.,  Rowley,  Greene, 
11. 
expansus,  Miller  and  Gurley,  Row- 
ley, Greene,  2. 
expansus    var.     inflatus,    n.    var., 
(Rowley),  Greene,  2. 
expansus     var.     magniventrus,     n. 
var.,  Rowley,  Greene,  6. 
expansus  var.  magniventrus?,  Row- 
ley, Greene,  9. 
hemisphericus?   M.   &  G.,   Rowley, 
Greene,  9. 
nodosus   Barris?,    Wood    (Elvira), 
3. 
oppelti  n.  sp.,  Rowley,  Greene,  8. 
regularis  n.  sp.,  Wood  (Elvira),  3. 
rugosus  Lyon  and  Casseday,  Wood 
(Elvira),  3. 
rugosus  L.   &  C,   Rowley,   Greene, 
8. 
rugosus  var.  spinuliferus,   n.  var., 
Rowley,  Greene,  6. 
spinosulus   Lyon,   Rowley,   Greene, 
13. 
sphaeralis  n.  sp.,  Wood  (Elvira),  3. 
tuberatus  n.  sp.,  Wood  (Elvira),  3. 
unicornis  n.  sp.   (Rowley),  Greene, 
o 
Melampus  Montfort,  Arnold,  2. 
olivaceus  Carpenter,  Arnold,  2. 
Melania  exigua  Conrad,  Stearns  (R.  E. 
C.),2. 
?  whiteavesi  n.  sp.,  Stanton,  Stan- 
ton and  Hatcher,  1. 
Melina  maxillata  (Deshayes)   Glenn,  6. 
Melocrinus     clarkei     (Hall)     Williams, 
Clarke,  19. 
nobilissimus   (Hall),  Talbot,  2. 
