﻿II] 
  General 
  Geology 
  : 
  Quaternary 
  115 
  

  

  State 
  in 
  deposits 
  which 
  are 
  the 
  time 
  equivalents 
  of 
  the 
  upper 
  

   part 
  of 
  the 
  Port 
  Hudson 
  or 
  the 
  lower 
  part 
  of 
  the 
  loess. 
  The 
  

   early 
  accounts 
  of 
  the 
  geology 
  of 
  the 
  State 
  contain 
  reports 
  of 
  find- 
  

   ing 
  mastodon 
  remains 
  near 
  Opelousas. 
  Carpenter 
  reports 
  the 
  

   find 
  of 
  a 
  mastodon 
  jaw 
  and 
  teeth 
  and 
  the 
  tooth 
  of 
  a 
  large 
  horse 
  

   on 
  Bayou 
  Sara 
  in 
  the 
  parish 
  of 
  West 
  Feliciana. 
  f 
  The 
  bone 
  beds 
  

   on 
  the 
  Mississippi 
  just 
  north 
  of 
  the 
  line 
  are 
  extremely 
  rich. 
  On 
  

   Petite 
  Anse 
  the 
  remains 
  of 
  Mastodon, 
  Mylodo7i, 
  Equus 
  and 
  Elephas 
  

   have 
  been 
  reported. 
  Mastodon 
  bones 
  have 
  been 
  reported 
  from 
  

   Port 
  Hudson 
  bluffj 
  ; 
  from 
  Cote 
  Blanche 
  §; 
  from 
  King's 
  salt 
  

   works; 
  Price's 
  salt 
  works|| 
  ; 
  Rayburn's 
  salt 
  works|| 
  ; 
  Dunbar's 
  

   creek, 
  West 
  Feliciana 
  parish; 
  and 
  at 
  Alsworth's, 
  6 
  miles 
  above 
  

   Baton 
  Rouge 
  •y. 
  

  

  In 
  the 
  river 
  exposures 
  fresh 
  water 
  shells 
  are 
  occasionally 
  found 
  

   and 
  Hilgard 
  has 
  reported 
  imperfect 
  specimens 
  from 
  Cote 
  Blanche 
  

   and 
  Petite 
  Anse**. 
  Marine 
  forms 
  are 
  found 
  over 
  nearly 
  the 
  whole 
  

   of 
  the 
  area 
  covered 
  by 
  the 
  marine 
  phase 
  of 
  the 
  Port 
  Hudson. 
  

   They 
  have 
  been 
  reported 
  by 
  locality 
  from 
  Bayou 
  Sale, 
  Belle 
  

   Isle, 
  Opelousas, 
  Lake 
  Charles, 
  Bonnet 
  Carre 
  on 
  the 
  Mississippi 
  

   river 
  above 
  New 
  Orleans, 
  New 
  Orleans, 
  the 
  Lake 
  Borgne 
  bor- 
  

   ings 
  and 
  Pontchatoula. 
  

  

  The 
  Lcess 
  and 
  Yellow 
  Loam 
  

  

  Origin 
  of 
  the 
  term 
  lcess. 
  — 
  The 
  term 
  lcess, 
  applied 
  to 
  the 
  very 
  

   fine 
  yellow 
  calcareous 
  silt 
  of 
  the 
  Rhine 
  valley, 
  came 
  into 
  general 
  

   use 
  among 
  European 
  geologists 
  early 
  in 
  this 
  century. 
  Lyell 
  in 
  

   1846 
  recognized 
  in 
  certain 
  deposits 
  in 
  the 
  Mississippi 
  valley 
  the 
  

   American 
  counterpart 
  of 
  the 
  European 
  deposits. 
  

  

  Its 
  great 
  development 
  along 
  the 
  bluffs 
  bordering 
  the 
  Missis- 
  

   sippi 
  valley 
  caused 
  it 
  to 
  be 
  called 
  the 
  ' 
  ' 
  Bluff 
  formation 
  ' 
  ' 
  by 
  

  

  * 
  Dunbar, 
  Am. 
  Phil. 
  Soc. 
  Trans., 
  vol. 
  6, 
  pp. 
  40-41, 
  1801 
  ; 
  Duralde, 
  Am. 
  

   Phil. 
  Soc. 
  Trans., 
  vol. 
  6, 
  pp. 
  55-58, 
  1802 
  ; 
  Carpenter, 
  Am. 
  Jour. 
  Sci., 
  vol. 
  

   35, 
  pp. 
  344-346, 
  1838. 
  

  

  f 
  Am. 
  Jour. 
  Sci., 
  vol. 
  34, 
  pp. 
  201-203, 
  1838. 
  

  

  :}: 
  Hilgard, 
  Smith. 
  Contr. 
  No. 
  248, 
  vol. 
  23, 
  p. 
  5, 
  1872, 
  an 
  1 
  other 
  places. 
  

   § 
  Ibid, 
  p, 
  12. 
  

  

  II 
  Hopkins, 
  2d 
  An. 
  Rep. 
  Geol. 
  Surv. 
  La., 
  187:, 
  p. 
  6. 
  

   T[ 
  Hopkins, 
  3d 
  An. 
  Rep. 
  Geol. 
  Surv. 
  La., 
  1872, 
  p. 
  188. 
  

   ** 
  Smith. 
  Contr. 
  No. 
  248, 
  vol. 
  23, 
  pp. 
  12, 
  18, 
  1872. 
  

  

  