﻿CONTENTS. 
  

  

  Number 
  291. 
  

  

  Page 
  

  

  Art. 
  X. 
  — 
  On 
  Certain 
  Fossil 
  Shells 
  in 
  the 
  Bowlder 
  Clay 
  of 
  

  

  Boston 
  Basin 
  ; 
  by 
  E. 
  S. 
  Morse 
  157 
  

  

  Art. 
  XI. 
  — 
  Bismutoplagionite, 
  a 
  New 
  Mineral; 
  by 
  E. 
  V. 
  

  

  Shannon 
  166 
  

  

  Art. 
  XII. 
  — 
  The 
  Devonian 
  Formations 
  of 
  Illinois; 
  by 
  T. 
  E. 
  

  

  Savage 
  169 
  

  

  Art. 
  XIII. 
  — 
  Type 
  Section 
  of 
  the 
  Morrison 
  Formation; 
  by 
  

  

  W. 
  T. 
  Lee 
  183 
  

  

  Art. 
  XIV. 
  — 
  A 
  Dicotyledonous 
  Flora 
  in 
  the 
  Type 
  Section 
  of 
  

  

  the 
  Morrison 
  Formation; 
  by 
  F. 
  H. 
  Knowlton 
  189 
  

  

  Art. 
  XV. 
  — 
  Studies 
  in 
  the 
  Cyperacese 
  ; 
  by 
  T. 
  Holm. 
  XXVIII. 
  

  

  Notes 
  on 
  Carex 
  Franklinii 
  Boott, 
  and 
  C. 
  spectabilis 
  Dew. 
  195 
  

  

  Art. 
  XVI. 
  — 
  The 
  Evolution 
  of 
  Flowering 
  Plants 
  and 
  Warm- 
  

   blooded 
  Animals; 
  by 
  E. 
  W. 
  Berry 
  207 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics 
  — 
  Mathematical 
  Proof 
  that 
  the 
  Atomic 
  Weights 
  are 
  Inte- 
  

   gers 
  when 
  = 
  16 
  : 
  The 
  Activation 
  of 
  Carbon, 
  N. 
  K. 
  Chaney, 
  212. 
  — 
  On 
  the 
  

   Sulphite 
  Method 
  for 
  the 
  Separation 
  and 
  Determination 
  of 
  Gallium 
  when 
  

   Associated 
  with 
  Zinc, 
  L. 
  E. 
  Porter 
  and 
  P. 
  E. 
  Browning 
  : 
  The 
  Spectra 
  of 
  

   Isotropic 
  Lead 
  and 
  Thallium, 
  T. 
  R. 
  Merton, 
  213. 
  — 
  The 
  Petroleum 
  Hand- 
  

   book, 
  S. 
  0. 
  Andros 
  : 
  Secret 
  signalling 
  by 
  Light 
  Eays, 
  E. 
  W. 
  Wood, 
  

   214. 
  — 
  The 
  Air 
  Propeller, 
  F. 
  Bedell 
  : 
  Smithsonian 
  Meteorological 
  Tables, 
  

   Fourth 
  Revised 
  Edition, 
  216. 
  — 
  Accounts 
  Rendered 
  of 
  Work 
  Done 
  and 
  

   Things 
  Seen, 
  J. 
  Y. 
  Buchanan 
  : 
  La 
  Tension 
  de 
  Vapeur 
  des 
  Melanges 
  de 
  

   Liquides. 
  L'Azeotropisme. 
  Part 
  I, 
  M. 
  Lecat, 
  217. 
  — 
  Pensees 
  sur 
  la 
  

   Science 
  la 
  Guerre 
  et 
  sur 
  des 
  sujets 
  tres 
  varies, 
  M. 
  Lecat, 
  218. 
  

   ' 
  r 
  

  

  Geology 
  and 
  Natural 
  History— 
  The 
  Geology 
  of 
  Kentucky, 
  A. 
  M. 
  Miller 
  : 
  The 
  

   Geography 
  of 
  the 
  Oz*cfc 
  Highland 
  of 
  Missouri, 
  C. 
  O. 
  Sauer 
  : 
  Geology 
  of 
  

   India, 
  D. 
  N. 
  Wadia, 
  21fc. 
  — 
  Secrets 
  of 
  Animal 
  Life, 
  J. 
  A. 
  Thomson 
  : 
  The 
  

   Unity 
  of 
  the 
  Organism, 
  or 
  The 
  Organismal 
  Conception 
  of 
  Life, 
  W. 
  E. 
  

   Ritter, 
  220. 
  — 
  The 
  Life 
  of 
  Matter; 
  an 
  Inquiry 
  and 
  Adventure, 
  A. 
  Turn- 
  

   bull 
  : 
  Psychology 
  from 
  the 
  Standpoint 
  of 
  a 
  Behaviorist, 
  J. 
  B. 
  Watson, 
  

   221. 
  — 
  A 
  Laboratory 
  Outline 
  of 
  Embryology 
  ; 
  with 
  Special 
  Reference 
  to 
  

   the 
  Chick 
  and 
  the 
  Pig, 
  F. 
  R. 
  Lillie 
  and 
  C. 
  R. 
  Moore 
  : 
  The 
  Cactaceaa 
  : 
  

   Descriptions 
  and 
  Illustrations 
  of 
  Plants 
  of 
  the 
  Cactus 
  Family, 
  N. 
  L. 
  Brit- 
  

   ton 
  and 
  J. 
  N. 
  Rose, 
  222. 
  — 
  Fossil 
  Plants 
  : 
  A 
  text-book 
  for 
  students 
  of 
  

   Botany 
  and 
  Geology, 
  A. 
  C. 
  Seward, 
  223. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  Publications 
  of 
  the 
  Carnegie 
  Institution 
  

   of 
  Washington, 
  224. 
  — 
  Publications 
  of 
  the 
  Yerkes 
  Observatory. 
  Photo- 
  

   graphic 
  Investigations 
  of 
  Faint 
  Nebulas, 
  E. 
  P. 
  Hubble 
  : 
  Cat&logo 
  de 
  7412 
  

   Estrellas 
  de 
  Declinaciones 
  comprendidas 
  entre-52° 
  Y-57° 
  (1875) 
  para 
  el 
  

   Equinoccio 
  1925, 
  Pablo 
  T. 
  Delavan 
  : 
  Technical 
  Book 
  Review 
  Index. 
  

   Issued 
  bv 
  the 
  Technology 
  Department 
  of 
  the 
  Carnegie 
  Library 
  of 
  Pitts- 
  

   burgh, 
  226. 
  

  

  Obituary— 
  R. 
  E. 
  Peary 
  : 
  F. 
  P. 
  Whitman, 
  226. 
  

  

  