[36] 
Neue  Literatur. 
3.  1898.  Livr.  1.  —  Derjawine:  Description  geologique  de  la  partie 
sud-est  de  la  13  me  feuille  (VJLL  zone)  et  de  la  partie  nord-est  de  la 
13  me  feuille  (VIII.  zone)  de  la  carte  generale  du  gouvernement  Tomsk 
(Feuilles  Kolgwane  et  Berskoie).  1.  —  de  Peetz:  Description  geo- 
logique de  la  partie  sud-ouest  de  la  14  ine  feuille  (VIII.  zone)  de 
la  carte  generale  du  gouvernement  Toinsk  (Feuille  Anisimowa-Borow- 
lianka).  32. 
The  American  Journal  of  Science.  Editor  Edward  S.  Dana.  8°. 
New  Häven,  Conn.,  ü.  St.    [Jb.  1899.  I.  [17].] 
(4.)  6.  November  1898.  No.  35.  —  Hidden:  Occurrence  of  Sperrylite 
in  North  Carolina.  381.  —  Girty:  Description  of  a  fauna  found  in  the 
Devonian  Black  shale  of  Eastern  Kentucky.  384.  —  Lucas  :  Contributions 
to  palaeontology.  399.  —  Marsh:  Value  of  type  specimeus  and  importance 
of  their  preservation.  401 ;  —  Origin  of  mammals.  406.  —  Walker  :  Causes 
of  Variation  in  the  composition  of  igneous  rocks.  410. 
December  1898.  No.  30.  —  Spencer  :  Another  episode  in  the  history 
of  Niagara  falls.  439.  —  Hidden  and  Pratt:  Associated  minerals  of 
Ehodolite.  463.  —  Todd:  Eevision  of  the  moraines  of  Minnesota.  469.  — 
Ortmann:  Preliminary  report  on  some  new  marine  Tertiary  horizons 
discovered  by  M.  J.  B.  Hatcher  near  Punta  Arenas,  Magellaens,  Chile. 
478.  —  Marsh  :  Comparative  value  of  different  kinds  of  fossils  in  determi- 
ning  geological  age.  483 ;  —  Families  of  Sauropodous  Dinosauria.  487.  — 
Eakle  :  Biotite-tinguaite  dike  from  Manchester  by  the  Sea,  Essex  County, 
Mass.  489. 
Transactions  American  Philosoph.  Soc.  at  Philadelphia. 
19.  1898.  —  W.  B.  Scott  :  The  osteology  of  Elotherium.  273 ;  - 
Notes  on  the  Canidae  of  the  White  Eiver  Oligocene.  325 — 414. 
Proceedings  of  the  Academy  of  Natural  Sciences  of  Phil- 
adelphia. 8°.  Philadelphia.  [Jb.  1898.  II.  -365-.] 
1898.  Part  IL  —  Bhoads:  Notes  on  the  fossil  walrus  of  Eastern 
North  America.  196.  —  Woolman:  Fossil  mollusks  and  diatoms  from  the 
Dismal  Swamp,  Virginia  and  North  Carolina ;  indication  of  the  geological 
age  of  the  deposit.  414. 
The  Kansas  University  Quarterly.  Lawrence,  Kansas.  [Jb.  1899. 
I.  [17].] 
7.  No.  3.  —  A.  Stewart:  Individual  variations  in  the  genus 
Xiphactinus  Leidy.  —  G.  J.  Adams:  Geological  reconnoisance  in  Grant, 
Garfield  and  Woods  Counties,  Oklahoma.  —  H.  B.  Newson:  Normal 
forms  of  Projective  Transformations.  —  J.  Z.  Gilbert  :  On  the  skull  of 
Xerobates  undata  Cope.  —  W.  K.  Palmer:  The  Hyperbolic  Spiral.  — 
S.  W.  Williston:  The  Sacrum  of  Morosaurus. 
