warman.]  SENONIAN SEYBERTITE.  723 
Serpentine  in  California,  Colfax  quadrangle GF  66,  p  3 
in  California,  Downieville  quadrangle GF  37,  pp  3-4 
Jackson  quadrangle GF  11,  p  4 
Lassen  Peak  district Ann  8,  i,  p  405 
Nevada  City  and  Grass  Valley  districts.  .Ann  17,  n,  pp 52-55,  153;  GF  29,  p  4 
Placerville  quadrangle GF  3,  p  2 
Sacramento  quadrangle GF  5,  p  2 
Sierra  Nevada Ann  17,  i,  pp  550,  578,  674-675 
Sniartsville  quadrangle .GF  18,  p  4 
Sonora  quadrangle GF  41,  p  5 
in  Colorado,  Mosquito  Range Mon  xn,  pp  281-284 
in  Maryland,  near  Baltimore,  origin  of Bull  28,  pp  56-58 
in  Massachusetts,  Holyoke  quadrangle GF  50,  p  4 
western Mon  \  \  i  \ .  pp  54-56,  78-155 
in  New  Jersey,  Montville Bull  60,  p  137 
in  Oregon,  Roseburg  quadrangle GF  49,  p  3 
in  Wash  inn  ton.  northern .Ann  20,  ii,  pp  109-111 
microstructure  of . . . Mon  on,  pp  114-117 
occurrence  of MR  1883  84,  pp  775-776 
origin  of Mon  xn,  |>|>  282-284;  Mon  \m,  pp  117-126 
pseudomorphic Mon  sin,  pp  123-126 
thin  section  of.  from  southwestern    Minnesota,  derived    from   alteration  of 
saxonite - Bull  157,  pp  156-157 
Serpentine  and  serpentinization  in  California,  especially  in  Coast  Ranges... Mon  xiii, 
pp  108  L28,  251,  276-278,  293,  311,  359,  457-458 
Serpentinization.  character  of Mon  \  in,  pp  120-127 
Seven  Devils.  Idaho,  copper  deposits  of Ann  20,  in,  pp  249-253 
Severn  formation  of  Maryland \nn  12, 1,  p  421;   Bull  138,  p  1l'."> 
Sexier  Lake,  Utah,  analyses  of  products  and  brine  of .Mon  i,  p  227 
Sevier  River,  Utah,  flow  of,  measurements  of Ann  1 1 , 
ii,  pp  105,  109;  Ann  12,  n,  pp 342, 355,  361 ;  Ann  13,  in, 
pp  97,99;  Ann   14,n,pp  125-126;   Bull   131,  pp  60-61 
hydrography  of  basin  of Vnn  11,  n,  pp  74-77,  105;  Ann  12,  n,  pp  339-344 
profile  of \VS  44,  p  89 
Sevier  shale  in  Kentucky,  North  Carolina,  Tennessee,  Virginia,  and  West  Vir- 
ginia  GF  L2,p  2;  GF16,p4;  GF20, 
P  3;  GF  25,  p  :;;  GF  26,  p  2;  <.F  27.  p  3;  <JF44,  p3;  GF59,p3 
Sewage,  analyses  of,  from  Ohio,  Canton WS  22,  p  75 
disposal  of,  methods  of WS  3,  pp  25 
plants  for,  in  America WS  22,  pp  41-89 
English  and  American,  comparison  of WS  22,  pp  13-15 
purification  of,  at  manufacturing  establishments WS  22,  pp  22-26 
at  towns  on  Great  Lakes,  necessity  of WS  22,  pp  36-41 
in  United  States WS  3,  p  98 
utilization  of,  in  France WS  3,  pp  92-98 
in  Germany WS  3,  pp  87-92 
utilization  and  disposal  of,  bibliography  of WS  22,  pp  89-98 
Sewage  farming  in  England WS  3,  pp  71-87 
Sewage  irrigation WS  3;  WS  22 
Sewanee  quadrangle,  Tennessee,  geology  of GF  8 
Sewell  formation  in  southern  Appalachians,  relation  of,  to  Pottsville Ann  20, 
ii,  pp  816-817 
in  Virginia  and  West  Virginia GF  26,  p  3 
in  West  Virginia,  along  New-Kanawha  River Ann  17,  n,  pp  494-497 
Seybertite,  chemical  constitution  of Bull  125,  p  47 
