FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
717 
Paleontology— Continued. 
Genera  and  species  described — Continued. 
Spirifer  segmentum  Hall,  Kindle,  1. 
(Delthyris)   sulcatus  Hall,  Grabau. 
1. 
tullius  Hall,  mut.  belphegor  Clarke, 
Loomis,   4. 
vanuxemi  Hall,  Shinier,  5. 
vanuxemi  Hall,  Grabau,  9. 
vanuxemi  Hall,  Weller.  6. 
vanuxemi  Hall,  var.  minor  n.  var.. 
Weller,  G. 
varicosus  Hall,   Kindle,    1. 
varicosa   var.   hobbsi    (Nettleroth) , 
Kindle,  1. 
sp.,  Girty,  3. 
sp.  undet.,  Weller,  G. 
Spiriferina  eampestris  White,  Girty,  3. 
cristata    (Schlotheim),  Beede,   1. 
horizontal  is      n.       sp.       (Rowley), 
Greene,  2. 
kentuckyensis    Shumard,    Girty,    3. 
solidirostris  White?,  Girty,  3. 
solidirostris    (White),  Weller.  2. 
Spiroglyphus  Iituella  Morch,  Arnold,  2. 
Spiroloculina  d'Orbigny,  Bagg,  6. 
grata   Terquem,   Bagg,   6. 
tenuis   (Czjzek),  Bagg,  6. 
tenuiseptata,  Guppy,  4. 
Spiroplecta  clarki  Bagg,  Bagg,  1. 
Spirotropsis  Sars,  Arnold,  2. 
Spirorbis  arietina  Dawson,  Girty,  3. 
calvertensis  n.  sp.,   Martin,   7. 
?  dubius  n.  sp.,  Rowley,  1. 
imbricatus  n.  sp.,  Ulrich,  8. 
sp.,  Girty^  3. 
Spisula  Gray,  Arnold,  2. 
callista?formis  n.  sp.,  Dall,  10. 
(Hemimactra?)    ehesapeakensis    n. 
sp.,  Glenn,  6. 
(Hemimactra)   confraga   (Conrad), 
Glenn,  6. 
(Hemimactra)       curtidens       Dall, 
Glenn,  G. 
(Hemimactra)   delumbis   (Conrad), 
Glenn,  6. 
(Hemimactra)     marylandica    Dall, 
Glenn,  6. 
(Hemimactra)       subparilis       (Con- 
rad), Glenn,  G. 
(Hemimactra)  subponderosa  (d'Or- 
bigny),  Glenn,  6. 
sp.,  Dall,  10. 
Spongasteriscus    marylandicus    n.    sp., 
Martin,  8. 
Spondylus  carlosensis  n.  sp.,  Anderson, 
7. 
(sp.  uncertain),  Whiteaves,  12. 
sp.,  Shattuck,  8. 
Sporangites  jacksoni  D.  W.,  White  (D.), 
18. 
Sportella  patuxentia  n.  sp.,  Glenn,  6. 
pelex  Dall,  Glenn,  6. 
petropolitana  Dall,  Glenn,  6. 
recessa  n.  sp.,  Glenn.  G. 
whitfieldi  Dall,  Glenn,  6. 
Paleontology— Continued. 
Genera  and  species  described — Continued. 
Spyroceras   anellus  Conrad  sp.,   Ruede- 
mann,  2. 
Squalodon  atlanticus  Leidy,  Case,  9. 
protervus  Cope,  Case,  9. 
Squamula'ria   Gemmellaro,   Girty,   ::. 
perplexa  McChesney,  Girty,  3. 
Squatina  Dumeril,  Eastman,  18. 
occidentalis  n.  sp.,  Eastman,  18. 
Stantonites  n.  subg.,  Hyatt  and  Smith. 
1. 
Slant  onoceras    n.     gen.,     Johnson     (D. 
W.),  5. 
pseudocostatum     n.     sp.,     Johnson 
(D.  W.),  5. 
guadaloupae   Roemer    (sp.)  ?,   John- 
son (D.  W.),  5. 
Staurocystis  Haeckel,   Schuchert.    11. 
Staurograptus  Emmons,  Ruedemann,  8. 
dichotomus    Emmons,    Ruedemann, 
8. 
dichotomus    var.    apertus    n.    var., 
Ruedemann,  8. 
Stegoceras  n.  gen.,  Lambe,  3. 
Stegomus  longipes,  Emerson  and  Loom- 
is,  1. 
longipes.  Lull,  3. 
validus  n.  sp..  Lamlie.  3. 
Stegopelta  landerensis,  Williston,  26. 
Stegosaurus  marshi  n.  sp.,   Lucas.   2. 
Stellipora    antheloidea    Hall,    Sardeson, 
3. 
Stemmatocrinus?  veryi  n.   sp.,   Rowley, 
Greene,  8. 
Stemmatopteris  distans  n.   sp.,   Herzer, 
4. 
Steneofiber     Geoffroy,     Matthew      (W. 
D. ) ,  6. 
barbouri  n.   sp.,  Gilmore,  3. 
complexus,  Matthew   (W.  D.),  6. 
complexus  n.  sp.,  Douglass,  4. 
complexus  Douglas,  Peterson,  3. 
fossor  n.  sp.,  Peterson,  3. 
gradatus  Cope,  Peterson,  3. 
gradatus,  Matthew  (W.  D.),  6. 
hesperus,  Matthew  (W.  D.),  6. 
hesperus  n.  sp.,  Douglass,  4. 
hesperus  Douglas,  Peterson,  3. 
montanus,  Matthew   (W.  D.),  6. 
montanus  Scott,  Peterson,  3. 
nebrascensis,  Matthew   (W.  D.),  6. 
nebrascensis  Leidy,  Peterson  3. 
pansus  Cope,  Peterson,  3. 
pansus  Cope,  Matthew  and  Gidley, 
1. 
pansus,  Matthew   (W.  D.),  6. 
peninsulatus,  Matthew  (W.  D.),  6. 
peninsula! us  Cope,  Peterson,  3. 
Stenopteris?  cretacea  n.  sp.,  Hollick,  5. 
Stenonyx  nom.  nov.,  Lull,  2. 
lateralis  (E.  Hitchcock),  Lull,  2. 
Stenopora  Lonsdale,  Condra,  2. 
carbonaria    (Worthen),   Condra.   2. 
carbonaria  -  conferta    Ulrich,    Con- 
dra, 2. 
cestriensis  Ulrich,  Girty,  3, 
