Inhalt. 



XXI 



Seite 



Wells, H. L. and S. L. Penfield: On Herderite from Hebron . 228 

 Wethered, E. : On the microscopic structure of the Wenlock 



limestone 303 



— On the microscopic structure and residues insoluble in hydro- 

 chloric acid in the devonian limestones of South Devon . . . 303 



Whidborne, G. F.: A Monograph of the Devonian fauna of the 

 South of England. Parti: The fauna of the limestones of Lum- 

 maton, Wolborough etc 172 



Whiteaves: The Cretaceous system in Canada 124 



— Description of two new species of Ammonites from the Cretaceous 

 rocks of the Queen Charlotte Islands 470 



W h i 1 1 1 e , C. L. : An Ottrelite bearing Phase of a Metamorphic 



Conglomerate in the Green Mountains 95 



Wichmann: Ueber den Ausbruch des Cunuug Awu am 7. Juni 1892 417 

 Williams, G. H. : On the Use of the Terms Poikilitic and Mikro- 



poikilitic in Petrography 51 



— A new Machine for cutting and grinding Thin Sections of Rocks 



and Minerals 255 



— Piedmontite and Scheelite from the Ancient Rhyolite of South 

 Mountain, Pennsylvania 262 



Williams, G. H. and W. B. Clark: Outline of the Geology and 



Physical Features of Maryland 72 



Williamson, W. C: On the Organisation of the fossil plants of 



the coal-measures. Part XVI 186 



— On the Organisation of the fossil plants of the coal-measures 369. 372 

 Willis, B. and C. W. Hayes: Conditions of Appalachian Faulting 243 

 Wim an, C. : Ueber das Silurgebiet des Bottnischen Meeres ... 98 

 Win che 11, H. V.: Geological Age of Saganaga Syenite .... 94 

 Winchell, N. H. : The crystalline Rocks, some Preliminary Con- 



siderations as to their Structures and Origin 51 



— The Norian of the Northwest 264 



Wöhrmann, v. und Koken: Die Fauna der Raibier Schichten 



vom Schlernplateau 141 



Wölf er: Bericht über einen Grandrücken bei dem Dorfe Krschywa- 



gura südlich Wreschen 131. 456 



Wolff, J. E. : The Geology of the Crazy Mountains, Montana . . 88 

 Wollemann, A. : Verzeichniss der im Eisenstein des Lias y von 

 Rottdorf am Kley bei Helmstedt bislang gefundenen Versteine- 

 rungen , 340 



Wolter s t orf f, W.: Mittheilung über die Entdeckung einer Meeres- 

 fauna in der Magdeburger Grauwacke 101 



Wood: A note on the Cretaceous of Northwestern Montana . . . 123 

 Woodward, A. S.: The fossil fishes of the Hawkesbury Series at 



Gosford 161 



— Further Contributions to Knowledge of the Devonian Fish- 

 Fauna of Canada 350 



Woodward, H. : Note on a new British species of Cyclus from the 



Coal-Measures of Bacup, Lancashire 165 



— On a Neuropterous Insect from the Lower Lias, Barrow on Soar, 

 Leicestershire 165 



Wulf, G. : Ueber die Vereinfachung der krystallographischen Rech- 

 nungen 209 



— Beschaffenheit einiger pseudosymmetrischer Krystalle mit Be- 

 ziehung auf die Theorie von der krystallinischen Beschaffenheit 



der Materie 217 



Wulff, L. : Mittheilungen zur Kenntniss der regulär krystallisiren- 



den Substanzen . 394 



