Warman.]  BULLETINS.  41 
61.  Contributions  to  the  mineralogy  of  the  Pacific  coast,  by  William  Harlow 
Melville  and  Waldemar  Lindgren.     1890.     40  pp.,  3  pis.     Price,  5  cents. 
62.  The  greenstone-schist  areas  of  the  Menominee  and  Marquette  regions  of 
Michigan,  a  contribution  to  the  subject  of  dynamic  metamorphism  in  eruptive 
rocks,  by  George  Huntington  Williams,  with  an  introduction  by  Roland  Duer 
Irving.      181)0.     241  pp.,  16  pis.     Price,  30  cents. 
63.  .v  bibliography  of  Paleozoic  Crustacea  from  1698  to  1889,  including  a  list 
of  North  American  species  and  a  systematic  arrangement  of  genera,  by  Anthony 
W.  Vodges.      L890.     177  pp.     Price,  15  cents. 
64.  A  report  of  work  done  in  the  division  of  chemistry  and  physics,  mainly 
during  the  fiscal  year  1888-89;  F.  W.  Clarke,  chief  chemist.  1890.  60  pp. 
Price,  10  cents. 
A  theory  of  the  mica  group,  by  F.  W.  Clarke,  pp. 9-19. 
A  platiniferous  nickel  ore  from  Canada,  by  F.  W.  Clarke  and  Charles  Catlett,  pp. 20-21. 
A  oew  occurrence  of  gyrolite,  by  F.W.Clarke,  pp. 22-23. 
Analyses  of  three  descloizites  from  new  localities,  by  W.  F.Hillebrand,  pp.24-28. 
A  n.u  meteorite  from  Mexico,  by  .1.  Edward  Wbitfield,  pp.  29-30. 
Dumortierite  from  Harlem,  New  York,  and  Clip,  Arizona,  by  J.  S.  Diller  and  J.  E.  Whitfield, 
pp.31  :;:;. 
Chemical  action  between  solids,  by  William  Hallock,  pp.S4-37. 
The  tlou  of  solids;  a  note,  by  William  Hallock,  pp.38-39. 
Miscellaneous  analyses,  pp.  40-60. 
65.  Stratigraphy  of  the  bituminous  coal  field  of  Pennsylvania,  Ohio,  and  West 
Virginia,  by  Israel  C.  White.  L891.  212  pp.,  11  pis.  Price,  20  cents.  (Out  of 
stock,  i 
66.  <  )n  a  group  of  volcanic  rocks  from  the  Tewan  Mountains,  New  Mexico,  and 
on  the  occurrence  of  primary  quartz  in  certain  basalts,  by  Joseph  Paxson  Idd- 
ings.     L890.     :;i  pp.     I  Mice.  5  cents. 
<i7.  The  relations  of  the  traps  of  the  Newark  system  in  the  New  Jersey  region, 
by  Nelson  Horatio  Darton.     L890.     82pp.,6pls.  and  maps.     Price,  10  cents. 
68.  Earthquakes  in  California  in  L889,  by  James  Edward  Keeler,  astronomer 
in  charge  of  earthquake  observations,  Lick  observatory.  1S90.  25  pp.  Price, 
5  cents. 
69.  A  classed  ami  annotated  bibliography  of  fossil  insects,  by  Samuel  Hubbard 
Scudder.      L890.      101pp.      Price,   15  cents. 
70.  Report  on  astronomical  work  of  1889  and  1890,  by  Robert  Simpson  Wood- 
ward.     1890.      7!l  pp.      Price,  10  cents. 
71.  Index  to  the  known  fossil  insects  of  the  world,  including  myriapods  and 
arachnid-,  by  Samuel  Hubbard  Scudder.     1891.     744  pp.     Price,  50  cents. 
72.  Altitudes  between  hake  Superior  and  the  Rocky  Mountains,  by  Warren 
Upham.     1891.     229  pp.     Price,  20  cents. 
7.'!.  The  viscosity  of  solids,  by  ('ail  Barus.  1891.  xii,  139  pp.,  6  pis.  Price, 
15  cents. 
74.  The  minerals  of  North  Carolina,  by  Frederick  Augustus  Genth.  1891. 
1  1!)  pp.      Price,  15  cents. 
75.  Record  of  North  American  geology  for  1887  to  1889,  inclusive,  by  Nelson 
Horatio  Dai  ton.     1891.     173  pp.     Price,  15  cents. 
76.  A  dictionary  of  altitudes  in  the  United  States  (second  edition),  compiled 
by  Henry  Gannett,  chief  topographer.  1891.  393  pp.  Price,  25  cents.  (Out  of 
stock.) 
77.  The  Texan  Permian  and  its  Mesozoic  types  of  fossils,  by  Charles  A.  White. 
1891.     51  pp.,  4  pis.     Price,  10  cents. 
78.  A  report  of  work  done  in  the  division  of  chemistry  and  physics,  mainly 
during  the  fiscal  year  1889-'90;  F.  W.  Clarke,  chief  chemist.  1891.  131  pp. 
Price,  15  cents. 
Experiments  upon  the  constitution  of  the  natural  silicates,  by  F.W.Clarke  and  E.A.Schnei- 
der, pp.  11-33. 
