36  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Berkey  (Charles  Peter) — Continued. 
9.  [Paleogeography  of  St.  Peter  time.] 
Abstract:  Science,  new  ser.,  vol.  21,  p.  221,  1905. 
10.  Interpretation  of  certain  laminated  clays,  with  their  bearing  upon  estimates  oi 
geologic  time. 
Abstract:  Science,  new  ser.,  vol.  21,  p.  426,  1905. 
11.  The  paleogeography  of  Mid-Ordovicic  time. 
Abstract:  Science,  new  ser.,  vol.  21,  p.  989,  1905. 
Berry  (Edward  Wilber). 
1.  Notes  on  the  phylogeny  of  Liriodendron. 
Bot.  Gazette,  vol.  34,  pp.  44-63,  1  tig.,  1902. 
2.  Notes  on  sassafras. 
Bot.  Gazette,  vol.  34,  pp.  426-450,  1  pi.,  4  figs.,  1902. 
3.  The  American  species  referred  to  Thinnfeldia. 
Torrey  Bot.  Club,  Bull.,  vol.  30,  pp.  438-445,  1903. 
4.  New  species  of  plants  from  the  Matawan  formation. 
Am.  Nat.,  vol.  37,  pp.  677-684,  9  figs.,  1903. 
5.  The  flora  of  the  Matawan  formation  (Cross wicks  clays). 
X.  Y.  Bot.  Garden,  Bull.,  vol.  3,  no.  9,  pp.  45-103,  15  pis.,  1903. 
Discusses  occurrence  and  litbologic  characters  of  the  Matawan  formation  and  its  subdivisions 
in  New  Jersey,  the  character  and  relationships  of  the  flora  collected  near  Cliffwood,  New 
Jersey,  and  gives  detailed  descriptions  of  the  plants. 
6.  Aralia  in  American  paleobotany. 
Bot.  Gazette,  vol.  36,  pp.  421-428,  1903. 
Discusses  leaf  characters  in  fossil  species  of  Aralia. 
7.  Additions  to  the  flora  of  the  Matawan  formation. 
Torrey  Bot.  Club,  Bull.,  vol.  31,  pp.  67-82,  5  pis.,  1904. 
8.  The  Cretaceous  exposure  near  Cliffwood,  N.  J. 
Am.  Geol.,  vol.  34,  pp.  253-260,  1  pi.,  1904. 
Discusses  the  correlation  of  the  Cretaceous  clays  at  Cliffwood,  N.  J.,  in  the  light  of  the  evi- 
dence of  the  fossil  plants.  Gives  a  table  showing  the  geologic  distribution  of  the  fossil  spe- 
cies from  the  Matawan. 
9.  Additions  to  the  fossil  flora  from  Cliffwood,  New  Jersey. 
Torrey  Bot.  Club,  Bull.,  vol.  32,  pp.  43-48,  2  pis.,  1905. 
10.  Fossil  grasses  and  sedges. 
Am.  Nat.,  vol.  39,  pp.  345-348,  1  fig.,  1905. 
Discusses  their  geologic  occurrence,  and  describes  a  new  species  of  Carex. 
11.  A  palm  from  the  mid-Cretaceous. 
Torreya,  vol.  5,  pp.  30-33,  1  fig.,  1905. 
12.  An  old  swamp  bottom. 
Torreya,  vol.  5,  pp.  179-182,  1  fig.,  1905. 
Gives  notes  upon  the  fossil  plants  occurring  in  Cretaceous  deposits  in  Monmouth  County,  N.J. 
13.  The  ancestors  of  the  big  trees. 
Pop.  Sci.  Monthly,  vol.  67,  pp.  465-474,  4  figs.,  1905. 
14.  A  Ficus  confused  with  Proteoides. 
Torrey  Bot.  Club,  Bull.,  vol.  32,  pp.  327-330,  1  pi.,  1905. 
Beyer  (S.  W.). 
1.  Mineral  production  of  Iowa  in  1901. 
Iowa  Geol.  Surv.,  vol.  12,  Ann.  Rept.,  1901,  pp.  39-61,  2  pis.,  1  fig.,  1902. 
Includes  a  discussion  of  the  occurrence  and  production  of  iron  ore  at  Iron  Hill,  Allamakee 
County,  Iowa. 
