XVI 



Seite 



V o 1 k m a n n , P. : Einfache Ableitung des GRKEN'schen Ausdrucks für 



das Potential des Lichtäthers 197 



V r b a , Carl : Mineralogische Notizen 24 



Walcott, Charles: Descriptive notes of new genera and species 



from the Lower Cambrian or Olenellus-Zone of North-America 334 

 W a 1 d , F. : Ein Beitrag zur Theorie der Krystallisation .... 369 

 Wedding, W. : Die magnetische Drehung der Polarisationsebene 



bei wachsender Doppelbrechung in dilatirtem Glas 195 



Weithof er, A. : Ueber die tertiären Landsäugethiere Italiens . . 143 



— Die fossilen Hyänen des Arnothaies 326 



Wells, H. L. : Bisniutosphaerite from Willimantic and Portland, 



Conn 40 



Wenjukoff, P. : Basalte der Mongolei 280 



— Die eutaxitischen Gläser der Liparite 281 



Wethered: On the Microscopic Structure of the Jurassic Pisolite 89 

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



South of England 431 



White aves, J. F. : On some cretaceous fossils from British Colum- 

 bia, the North West Territory and Manitoba 158 



Whitefield, J. Edward: Analyses of some Natural Borates and 



Borosilicates 42 



W iener, 0.: Gemeinsame Wirkung von Circularpolarisation und 



Doppelbrechung 195 



Will, W. und J. Pinnow: Chemische Untersuchung eines Meteori- 

 ten von Carcote (Chile) 50 



Williams. George H. : Note on some remarkable crystals ot 



Pyroxene from Orange County, N. Y 42 



Williams, Henry S. : The Cuboides-Zone and its fauna .... 115 



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



the coal-measures. Part XV 170 



Wood ward, A. Smith : On the Myriacanthidae — an Extinct Fa- 

 mily of Chimaeroid Fishes 429 



— Acanthodian Fishes from the Devonian of Canada 429 



On the so called Cretaceous Lizard, Raphiosaurus 429 



Woodward, A. Smith and Ch. Davies Sherborn: A Catalogue 



of British Fossil Vertebrata 139 



Woodward, B. S. : On the Form and Position of the Sea 



Level . 245 



— Latitudes and Longitudes of Certain Points in Missouri, Kansas 



and New Mexico 246 



— Formulas and Tables to facilitate the Construction and Use of 



- Maps 247 



Worth, B, N. : On the Volcanic Bocks of Dartmoor 93 



— On the Igneous Constituents of the Triassic Breccias and Conglo- 

 merates of South Devon 93 



Yokoyama, Matajiro : Jurassic plants from Kaga , Hida , and 



Echizen 175 



Zepharovich, V. v. : Mineralogische Notizen. No. XI .... 374 

 Zittel, K. A. : Handbuch der Palaeontologie. I. Abtheilung: Pa- 



laeozoologie. III. Bd. 3 Lief. . 424 



IV. Zeitschriften. 



Abhandlungen der geologischen Reichsanstalt. St. Petersburg, (r.) . 366 

 Abhandlungen der kaukasischen Abtheilung der k. Russ. Geographi- 

 schen "Gesellschaft. Tiflis 191 



