FOR   THE    YEARS    1901-1905,   INCLUSIVE.  171 
Hobbs  (William  Herbert) — Continued. 
27.  The  configuration  of  the  rock  floor  of  Greater  New  York. 
U.  S.  Geol.  Surv.,  Bull.  no.  270,  96  pp.,  5  pis.,  6  figs.,  1905. 
Reviews  the  geological  studies  of  the  New  York  City  area  of  previous  writers,  and  describes 
investigations  upon  the  rock  floor  of  Greater  New  York. 
28.  Contributions  from  the  mineralogical  laboratory  of  the  University  of  Minnesota. 
Arn.  Geol.,  vol.  36,  pp.  179-186,  1  pi.,  2  figs.,  1905. 
Gives  notes  upon  the  composition,  characters,  and  crystallographic  features  of  minerals  from 
various  localities. 
Hodg-don  (F.  W.). 
1.    [In  discussion  of  paper  by  J.  P.  Frizell  on  "Tidal  scour  in  harbors,  etc."] 
Assoc.  Eng.  Soc.,  Jour.,  vol.  28,  pp.  85-87,  1902. 
Contains  notes  on  scour  in  Boston  Harbor. 
Hoeing  (J.  B.). 
1.  The  oil  and  gas  sands  of  Kentucky. 
Ky.  Geol.,  Surv.,  Bull.  no.  1  (preliminary  part),  2:53  pp.,  10  pis.  and  3  maps,  1905. 
Describes  the  general  geology  of  oil  and  gas,  the  geological  relations,  character,  and  occur- 
rence of  oil  and  gas  bearing  strata,  and  gives  numerous  well  records.     An  appendix  con- 
tains lists  of  elevations  above  sea  of  points  in  Kentucky. 
Hoen  (A.  B.). 
1.  Discussion  of  the  requisite  qualities  of  lithographic  limestone,  with  report  on  tests 
of  the  lithographic  stone  of  Mitchell  County,  Iowa. 
Iowa  Geol.  Surv.,  vol.  13,  pp.  339-352,  1  pi.,  1903. 
Hoernes  (Rudolf). 
1.  Die  vulkanischen  Ausbriiche  auf  den  Kleinen  Antillen. 
Steiermark  naturw.  Ver.,  Mitt..  Jahrg.  1902,  Heft :','.),  pp.  LXXXI-XCII,  1903. 
Describes  the  volcanic  eruptions  and  the  attendant  phenomena  that  took  place;  in  the  Lesser 
Antilles  in  1902. 
Hoffmann  (G.  Christian). 
1.  Report  of  the  section  of  chemistry  and  mineralogy. 
Can.  Geol.  Surv.,  new  ser.,  vol.  11,  Rept.  R.,  55  pp.,  1901.     Published  in  1900. 
2.  On  some  new  mineral  occurrences  in  Canada. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  11,  pp.  149-153,  1901. 
3.  On  some  new  mineral  occurrences  in  Canada. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  12,  pp.  447-448,  1901. 
Describes  datoiite  and  faujasite. 
4.  Report  of  the  section  of  chemistry  and  mineralogy. 
Can.  Geol.  Surv.,  Ann.  Rept,,  new  ser.,  vol.  12,  pp.  1  R-64R,  1902. 
5.  On  the  occurrence  of  chrompicotite  in  Canada. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  13,  pp.  242-243,  1902. 
Describes  its  occurrence,  characters,  and  chemical  composition. 
6.  Report  of  the  section  of  chemistry  and  mineralogy. 
Can.  Geol.  Surv.,  Ann.  Rept.,  new  ser.,  vol.  13,  67  pp.,  1903. 
7.  Bouesite,  a  native  iron-nickel  alloy  occurring  in  the  auriferous  gravels  of  the  Fra- 
ser,  province  of  British  Columbia,  Canada. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  19,  pp.  319-320, 1905. 
8.  Chemistry  and  mineralogy. 
Can.  Geol.  Surv.,  Summ.  Rept,  for  1904,  pp.  337-349,  1905. 
Includes  notes  on  the  examination  and  occurrence  of  various  minerals. 
Hogarty  (Barry). 
1.  The  andesite  of  Mount  Sugar  Loaf,  Boulder  County,  Colorado. 
Colo.  Sci.  Soc,  Proc,  vol.  6,  pp.  171-185  [1902]. 
Describes  the  occurrence,  the  megascopic  and  microscopic  characters,  and  the  composition  of 
the  rock. 
