Jahrg. Ed. Seite 



Duhem, P. : Sur une theorie des [xh» : :i utmen.es pyro-elec- 



triques. R 88 I 396 



Dumble, E.T. : Texas Geological and >jmer;ijngical Survey.R. 89 II 256 

 Duncan, P. M.: On Galerites albogalcrus Lam., syn. Echi- 



noconus conicus Breyniüs R 85 I 135 



— On Streptelasma Roemeri. R 85 II 203 



- On Cyathophyllum Fletschen, R 85 II 203 



— On the genus Galerites = Eehinocooiis. R 86 I 484 



— On the Structure of the Ambulacra of sonne fossil Genera 



and Spezies of regulär Echinoidea. R 86 I 357 



— On the Anatomy of the Ambulacra of the recent Diade- 



matidae. R 86 I 359 



— On the internal structure and classiticatory position of 



Micrabacia coronula Goldf. <y>. R 87 1 475 



— On the Echinoidea of the Cretaceous Strata of the Lower 



Narbada Region. R 88 1 127 



— On the Astrocoenia of the Sutten stone and other depo- 



sits of the Infra-Lias of South Wales. R . . . . 88 II 333 

 On the structure and classiticatory position of some 

 Madreporaria of the secondarv strata of England and 

 South Wales. R 88 II 333 



— On a new Genus of Madreporar ia (Glyphastraea)., with 



remarks on the morpholögv of Glvphastraea Forbesi 



Edw. et H., from the Tertia n of Maryland. R. . . 88 II 338 



— Answer to „observations on some imperfectly known 



Madreporaria from the Cretaceons t'ormation of Eng- 

 land by R. F. Tomes". R v 89, I 322 



— On a new Speeles of Axosmilia (A. elougata) from the 



Pea grit of the Inferior Oolite of Kngland. R. . . 89 I 323 



— and W. P. Sladen: A Monograph of the Tertiary 



Echinoidea of Kachh and Kattywar. \l 85 I 124 



— A Monograph of the fossil Erhinoidea of Sind. 



Part II. III. R. 85 I 126 



On the Family Arbacidae Gray. Part I. The mor- 



phology of the test in the genera Coelopleurus and 



Arbacia. R 86 I 358 



— — A Monograph of the fossil Kchinoidea of Sind. 



Part IV. V. R. . 86 I 359 



— — The classificatory position of Hemiaster elongatus 



D. & S.: a reply to a Criticism by S. Loven. R. . 86 I 484 

 Dunikowski, v.: Geologische Untersuchungen in Russisch- 



Podolien. R 85 II 127 



— Ueber Permo-Carbon-Schwämrne von Spitzbergen. R. . 85 II 448 



— Ueber einige Nummulitenfun.de in den ostgalizischen 



Karpathen. R 87 I III 



Dunkel: Topographie et consolidation des carrieres sous 

 Paris avec une description geologique et hydrologique 

 du sol et 4 plans cotes en com lern. R 88 II 455 



Dunker, E.: Ueber die Temperatur-Beobachtungen im Bohr- 

 loche zu Schladebach. A S9 I 29 



Dunn, E. J. : On the Mode of Occurren'ce of Gold in the 



Transvaal Goldneid. R 88 II 430 



Dunnington: Columbite, Orthite and Monazite from Ame- 



lia. Co. R . 85 I 14 



Dupont,E.: Surles calcairesfrasniHiisd'nriginecorallienne. R. 86 II 372 



— Note sur le Devonieii inferieur d( j la Belgique. R. . 86 II 372 



