182 



superieur de ia H'-? Marne. 26 p . — Yasseur, G.: 

 S la couche ä LepidosteCs etc. $ p. (1PL) — 



— 3 e Ser. T. III,' Fels. 49—52. Tit. u. Reg. 

 Paris 1875. 8". v 



Chauffat.P.: Couches ä Ammonites acarithicus 

 du Jura occ. 11 p. (1 Tab.). — Ebray, Th.: Nouy. 

 giseinentde Ca/t»eeUo^hycusscop'emus, 3p. — Favre, 

 Alph.: Course au Prarion. 5 p. — Course ä la nier 

 de Glace! 3 p. — Course'; au Brevent. 2.p. — Course , 

 de Ckanionix ä Martigny. 4 p.— Lory: Structure 

 geol. de la Yallee 'de Chamonix. 7 p. — Variat. min. 

 ch schistes cristallins. 3 p'. — 



Oberhessische Ges.. f. Bat.- u. Heilk. 1 5.Ber. 



Giessen 1876. 8°. 



Hirsch. B.: l'eb. ein Normal-Aräometer ,etc. 

 10 p. (1 Tafi. — Hoi'fmann, H.: I'hänolog. Beob. 

 in Wessen. 29 p. —Weiss, IL. u. Müller, J. F.: 

 Meteorol. Beob. 3 p. — Wiutlier, A.,u. Will, W. : 

 Heb: d. Basalt d. Schiffenberges. 12 p. — 



K.Pr. Akad. d.W. zu Berlin. Monatsber. Juli. 

 Berlin 1876'. 8°. 



Peters. W.: Ueb. Stenoderma Geoffroy. 5 p. 

 (2 Taf.). — Ueber-s. d. v. H. Prof. Dr. K. Möbius in 

 Mauritius etc. ges. Fische. "12 p — l'ringsheim: 

 Ueb. vege,tat. Sprossg- d. Moosfrückte, 4 p. (1 Ta 



— St ü der ; Dr. Th. i Ueb. Echinodcrmen a. d. antarkt. 

 Meere etc. 1 13. p. — 



American Acad. of Äris and Sc. Proceed. 

 Vol. XI. Boston 1876, 8°. 



Agassiz, AI.: .Viviparoüs Echini fr. the Ker- 



a Islands. 6 p. — Hydrographie Sketch of Lake 



caca. 10 ■ p. — Amo'rv. R. : Photographs of the 



(] PL) Bowditch.H.P.: A 



n. Form of Induct. Appäratus. 2 p. (1 PL). — Davis, 



l. iL: TLe Companions of.Procyon. 6 p. — Gibbs, 



Wo.: Los. on the Hexatomic Comp, of Cobalt. 51p. 



— Gray. A'sa: Botan. Contrib. 34 p.— 

 Jacques, W.W.: E&perim, Proof of the Law'pfin- 

 verse Squares for Sound. 4 p. — Diifract. of Sound. 

 4 p. _ P e i r c e , B. 0. jr. : On the Induct. Spark prod. 

 i i ; i (reakiag a Galvan. Circuit etc. 1 p. — Picke ring, 

 E. C: Mountain Surveying. 7 p. - Height a. Velocity 

 of Clouds. 2 p. — Compar. of Prisniat. a. Diffract. 



t ra. 6 p.— P ine. Ge-.S:: Chauge ofElectrieal.Resist. 

 iaWjres by.Stretching. 10p.— Rogers, WA.: On 

 a pbss. Explan, of the Meth. empl. byNobert in Rul- 

 ing his Test Plates. 19 p. — Rowland. H.A.; Notes 

 pn magn. Distribut. 2 p. — feafford.T.H.: Ou the 



r Motion in Space etc. 10 p. — On por 

 astrouom. Instrum. a. their Use. 17p.- Un the Me- 

 thod of Least Squares. 9 p.— On the Solar Motion 

 a. ihr' Stellar Distinces. 8 p. — S'Harples, S. P.: 

 Specim. of Mick fr. the Vicmity of Boston. 6 p. — 



Trouvelot. L.: On s. Physical Observ. of. the Planet 

 Saturn. 11 p. il PL). — On theVeiled Solar Spots. 

 8p. — Trowbridge, J. : Contrib. fr. the' Physic. La- 

 borat. of Harvard Coli. 8p. — Watson.S.: Botanical 

 Contrib.: 1. Flora ofGuadahipe Island. 7 p. — 2. List 

 ofColl of Plants fr. Guadal. Island. 9 p. — 3. Descr. 

 of N Spec, of Plants. chiefly CaUfornian etc. 28 p. — 

 Whiting.H.: Distrib. ofMagnetism on Armatures. 

 10 p. - Wilson. W. P. : Condenser's a. Geissler's 

 Tubes. 3 p.— 



American Journ.of Sc. a.Arts. 3.S. Vol. XI, 

 Nr. 66. Newhaven 1876. 8°. 



Brush. G. J.: Chemical Compos. of Durangite. 

 2 p. - Hawes.G. W. : On a Lithia-bearing Biotite. 

 2p. — Hartt,C.F.:TheGeol.SurveyofBrezil. 7p. 



— King.CL: Paleozoic Subdiv. onthe40«i Parallel. 

 .7 p. — Lea,M. C: Sensitiveness of Silver Bromide 



to the Green Kays etc. 5 p. — Marsh, 0. C: N. 

 Odontornithes. 2' p. — N. Sub-ordre of Pterosauria. 

 2 p. — McFar'land, R. W.: Curve of Eccentricity 

 of the Earth's orbit. 2 p.— Norton, W. A.: Res. 

 of Experim. on Contact Resistance. 5 p. — P i c k e r i ng , 

 E. C.: A Xebula-photometer. 25 p. — Shepard, C. 

 II: Meteoric Stone of Waconda. 2 p. — Smith, J. 

 L.: Res. on the Solid Carbon Comp, in Meteorites. 

 9 p. — On a Bolid of January 31 "t. lp. — Trouve- 

 lot, L.: Pliysic. Obs. on Saturn. 9p.— Young, CA.: 

 Dupiicity offne"] 474" line in the Solar Spectrum. 2 p. 



— — Vol. XII, Nr. 67. Newhaven 1876. 8°. 

 Armsbv.H.P.: React. of Sulph. Acid upon Tri- 



calcic Phosphate. 2 p. — Blake, J.: On Roscoelite, 

 a Vanadium Mica. I p. — Farlow, W. G.: On a 

 Desease of Olive a. Orange Trees etc. 9 p. (1 PL). 



— G en th . F. A. : American Vanadium Minerals. 5 p. 



— Gilbert. G.K.: Th'e * I 'iateau Province 

 as a Field for Geol. Study. 9 p. — Grinell. G. B.: On 

 a N\ Crinoid fr: the < Yeta'ceoüs form, of the West. 3 p. 

 (1 PL). — L ea , M. C. : Dr. Vogel's C'oior Theory. 2 p. 



— Loomis, E. : Contrib. to Meteorology etc. 15 p. 

 (2 PL .— Rock wo od, C. G. : Recent American Eartli- 

 quakes. 6 p. — 



Natuiwissensch.Ver. zu Magdeburg. 6. Jb. 

 Magdeb. 1876. 8°.- 



— Ahhandlgn. Hft. 7. Magdeb. 1876. 80. 

 Dr. Blath: DieWoIkenbild .'. u l>. &. Norddeutsch. 



Tiefebene. 16 p. — Ebeling . W. : Mitthlgn. a. d. bo- 

 tan.VereinzuMagdeliurg.23 ; . (iTat).— Schreiber, 

 Dr.A. : Die Bodenvhltne r im Süden' Magdeburgs. 9 p. 



Bedriaga, Dr. J. v. : D. Faraglione-Eidechse. 

 21 p. Heidelberg 1S76. 8». 



. Naturhist.-medic. Ver. zu Heidelberg. Ver- 

 handln. 3. Bd. Nr. 4 u. 5. Heidelberg 1865. 8°. 



Bericht über die am 14., 15. u. 16. August • 



1878 in Jena gehaltene Versammlung der 



deutschen Geologischen Gesellschaft. 



Von Dr. H. v. Pechen, M. A. X.. Wirkl. Ghmrth. 

 n. Oberberghauptm. a. D. zu Bonn. 

 (Schi 

 Die Richtung dieser .Schluchten, wie diejenige 

 der zwischen denselben auftretenden Höhen und 



so auch das Streichen der Braunkohlenschichten 

 t, 5', dherrascheiider Weise abweichend 

 von. der Erlieburigsncbiung des Flemmiiigs so- 

 wohl, wie der in der norddeutschen Tiefebene 

 sich der Erhebungslinie des Thüringer Waldes 

 anschliessenden Thäler und Höhenzüge. Viele 

 der liier zusammengestellten Lageruugs formen 



