224  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Loomis  (Frederic  B.) — Continued. 
3.  On  Jurassic  stratigraphy  on  the  west  side  of  the  Black  Hills — second  paper  on 
American  Jurassic  stratigraphy. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  16,  pp.  401-407,  2  pis.,  1902. 
Describes  the  general  characters  of  the  Jurassic  strata  and  gives  detailed  sections. 
4.  The  dwarf  fauna  of  the  pyrite  layer  at  the  horizon  of  the  Tully  limestone  in 
western  New  York. 
N.  Y.  State  Mus.,  Bull.  69,  pp.  892-920,5  pis.,  1903. 
Describes  character  and  occurrence  of  the  fauna,  discusses  the  causes  of  its  dwarfing,  and 
gives  descriptions  and  figures  of  the  species  determined. 
5.  Two  new  river  reptiles  from  the  Titanothere  beds. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  18,  pp.  427-429,  11  figs.,  1904. 
6.  On  some  marine  fossils  in  the  Titanothere  beds. 
Abstract:  Science,  new  ser.,  vol.  19,  p.  254,  1904. 
7.  Hyopsodid?e  of  the  Wasatch  and  Wind  River  basins. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  19,  pp.  416-424,  8  figs.,  1905. 
Loomis  (F.  B.),  Emerson  (B.  K.)  and. 
1.  On  Stegomus  longipes,  a  new  reptile  from   the  Triassic  sandstones  of  the  Con- 
necticut Valley. 
See  Emerson  (B.  K.)  and  Loomis  i  F.  B.  i.  I. 
Louderback  (George  Davis). 
1 .  General  geological  features  of  Nevada  and  their  relationships  to  the  prevailing 
economic  deposits. 
Int.  Mg.  Cong.,  4th  sess.,  Proc,  pp.  200-207.  L901. 
2.  Some  gypsum  deposits  of  northwestern  Nevada. 
Abstract:  Jour.  Geol.,  vol.  11,  p.  99,  1903. 
Describes  occurrence  and  character. 
3.  A  structural  section  of  a  Basin  range.     • 
Abstract:  Jour.  Geol.,  vol.  11,  pp.  102-103,  1903. 
Describes  the  geologic  structure  and  stratigraphic  features  of  Humboldt  Lake  Range. 
4.  Basin  range  structure  of  the  Humboldt  region  [Nevada]. 
Geol.  Soc.  Am.,  Bull.,  vol.  15,  pp.  289-346,  8  pis.,  1904. 
Describes  the  character,  occurrence,  and  general  relations  of  sedimentary  and  igneous  rocks 
of  the  Basin  ranges  of  western  Nevada,  particularly  those  of  the  Humboldt  Lake  mountains, 
and  their  geologic  structure,  discusses  the  mode  of  their  formation  and  the  evidences 
therefor,  and  gives  an  outline  of  the  geologic  history  of  the  region. 
5.  Gypsum  deposits  in  Nevada. 
U.  S.  Geol.  Surv.,  Bull.  no.  223,  pp.  112-118,  1  pi.,  1  fig.,  1904. 
Describes  character,  occurrence,  economic  development,  and  geologic  relations  of  gypsum 
deposits  in  northwestern  Nevada. 
6.  The  Mesozoic  of  southwestern  Oregon. 
Jour.  Geol.,  vol.  13,  pp.  514-555,  1  fig.,  1905. 
Describes  the  character,  occurrence,  and  relations  of  sedimentary  rocks  of  Cretaceous  age  and 
of  igneous  and  sedimentary  rocks,  the  areal  distribution  of  the  formations,  and  their  corre- 
lation with  the  standard  California  type  formations. 
Loug\hlin  (Gerald  Francis). 
1.  The  clays  and  clay  industries  of  Connecticut. 
Conn.  Geol.  &  Nat.  Hist.  Surv.,  Bull.  no.  4, 121  pp.,  13  pis.,  1905. 
Describes  the  geographic  distribution,  origin,  geological  history,  composition,  and  character 
of  Connecticut  clays,  and  the  clay-working  industries  of  the  State. 
Loughlin  (G.  F.),  Crosby  (W.  O.)  and. 
1.  A  descriptive  catalogue  of  the  building  stones,  of  Boston  and  vicinity. 
See  Crosby  (W.  O.)  and  Iioughlin  (G.  F,),  1. 
