FOR    THE    YEARS    1901-1905,   INCLUSIVE.  259 
Osborn  (Henry  Fairfield) — Continued. 
22.  Recent  zoopaleontology. 
Science,  new  ser.,  vol.  17,  pp.  673-674,  1903. 
Gives  a  comparison  of  the  European  and  American  Eocene  horses. 
23.  Evolution  of  the  Proboscidea  in  North  America. 
Abstract:  science,  new  ser.,  vol.  17,  p.  249,  1903. 
24.  On  recent  models  and  restorations  of  a  number  of  extinct  animals,  with  a  discus- 
sion of  their  probable  habits  and  mode  of  life. 
Abstract:  Science,  new  ser.,  vol.  17,  p.  978,  1903. 
25.  Vertebrate  paleontology  in  the  United  States  Geological  Survey. 
Science,  new  ser.,  vol.  18,  pp.  835-837,  1903. 
Describes  the  work  being  done  to  complete  Professor  Marsh's  monographs  on  the  Titano- 
theres,  Ceratopsia,  Stegosauria,  and  Sauropoda. 
26.  Reclassification  of  the  Reptilia. 
Am.  Nat.,  vol.  38,  pp.  93-115,  13  figs.,  1904. 
Reviews  the  history  and  principles  of  classification  of  the  Reptilia,  proposes  a  new  classifica- 
tion, and  gives  definitions  of  the  higher  groups. 
27.  Paleontological  evidence  for  the  original  tritubercular  theory. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  17,  pp.  321-323,  1  pi.,  1904. 
28.  Recent  zoopaleontology.     Field  expeditions  during  the  past  season. 
Science,  new  ser.,  vol.  19,  pp.  35-36,  1904. 
29.  Recent  advances  in  our  knowledge  of  the  evolution  of  the  horse. 
Am.  Phil.  Soc,  Proc,  vol.  43,  pp.  156-157,  1904.    Abstract:  Science,  new  ser.,  vol.  19,  p.  717, 1904. 
30.  An  armadillo  from  the  middle  Eocene  (Bridger)  of  North  America. 
\u\.  Mus.  Nat.  Hist.,  Bull.,  vol.  20,  pp.  163-165,  1904. 
31.  New  Oligocene  horses. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  20,  pp.  167-179,  2  pis.  and  8  figs.,  1904. 
32.  Manus,  sacrum,  and  caudals  of  Sauropoda. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  20,  pp.  181-190,  6  tigs.,  1904. 
33.  Teleorhinus  brown i— a  teleosaur  in  the  Fort  Benton. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  20,  pp.  239-240,  1904. 
34.  New  Miocene  rhinoceroses  with  revision  of  known  species. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  20,  pp.  307-326.  21  figs..  1904. 
35.  The  great  Cretaceous  fish  Portheus  molossus  Cope. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  20,  pp.  377-381,  1  pi.  and  4  figs..  1904. 
36.  Revised  list  of  casts,  models,  photographs,  and  restorations  of  fossil  vertebrates 
of  the  Department  of  vertebrate  paleontology  of  the  American  Museum  of 
Natural  History. 
Am.  Mus.  Nat.  Hist..  Bull.,  vol.  20,  Supplement,  52  pp.,  8  figs.,  1904. 
37.  On  the  position  of  the  bones  of  the  forearm  in  the  Opisthoccelia  or  Sauropoda. 
Abstract:  Science,  new  ser..  vol.  19,  pp.  255-256,  1904. 
38.  On  the  use  of  the  sandblast  in  cleaning  fossils. 
Abstract:  Science,  new  ser.,  vol.  19,  p.  256,  1904. 
30.   A  reclassification  of  the  Reptilia. 
Abstract:  Science,  new  ser.,  vol.  19,  pp.  256-257,  1904. 
40.  On  the  primary  components  of  vertebras  and  their  relations  to  ribs. 
Abstract:  Science,  new  ser.,  vol.  19,  p.  257,  1904. 
41.  The  classification  of  the  Reptilia. 
Abstract:  Science,  new  ser.,  vol.  19,  pp.  307-308,  1904. 
42.  Fossil  wonders  of  the  West.     The  dinosaurs  of  the  Bone-cabin  quarry,  being  the 
first  description  of  the  greatest  "  find  "  of  extinct  animals  ever  made. 
The  Century  Magazine,  vol.  68,  pp.  680-694,  18  figs.,  1904. 
