50 GEOLOGY. 



Bianconi, G. Gr. Considcrazioni sul dcposito di ramc di Bisano. 

 [Copper-deposit of Bisano.] Pp. 17. Bologna. 



Bol^ierre, — . [Marine Peat.] Compte rendu des travaux du laho- 

 ratoire de chimie agricole de la Loire- Inferieure, 1850-1875. Ab- 

 stract in llev. Geol. in Ann. Mines, ser. vii. t. x. pp. 469, 470. 

 Account of large beds of peat formed of sea-weed and covered by 

 3 feet of soil at Sarzeau and at Teven in the Seine-Inferieure, at three 

 localities in Morbihan and Finistere, and in Jersey. Analyses of peat 

 from the French deposits are given. G. A. L. 



Bolsche, Dr. — . N. Jahrh. Heft ix. p. 924. 



Notes the discovery of marl-slates, belonging to the Coronatus-zone, 

 near Wittlage, in Essen. 



Bogdanow, Modeste. Quelques mots sur I'histoire de la faune de la 

 liussie d'Europe. [History of the Russian Fauna.] Arch. Sci, 

 Phys. Nat. t. Ivi. pp. 22-31. 



Defines the Area of Erratics in Bussia. 



Bone, Dr. Carl. Das Plateau von Ferschweiler bei Echternach, etc. 



[The Ferschweiler Plateau near Echterriach.] Trier. 

 Contains geological notes. 



Boucheporn, — de. Explication de la carte geologique du dcparte- 

 ment de la Correze. [Explanation of the Geological Map of the 

 Correze.] 12mo. Tulle. (See po5^, under " Maps.") 



Bone, Dr. A. Notiz iiber Dolomisation, Serpen tin, oder eigentlich 

 iiber die Genesis dor Bittererde- oder Magnesia-Anhaufung in 

 gewissen Felsarten. [Dolomite, Serpentine, &c. in certain Hocks.] 

 Sitz. h. Ah. Wis%. Wien, math.-nat. CI. Abth. i. Bd. Ixxiv. Heft 2, 

 pp. 266, 267. 

 Notices the occurrence of serpentine, flanked by talcose schist, in the 

 midst of Cretaceous sandstones, in Epirus and Peloponnesus, and asks 

 for a solution of the question, Is the serpentine derived by metamor- 

 phosis from an olivine-rock ? E. B. T. 



Boulay, — . Le terrain houiller du Nord de la France et ses Vege- 

 taux fossiles. [The Coal Measures of N. France and their Fossil 

 Plants.] Pp. 54. 4to. Lille. A thesis for the degree of D.Sc. 



BoTitiUier, Louis. Note sur un depot d'objets organiques et d'objets 

 de fabrication humaine aux environs de Jarnac (Charente). [De- 

 posit of Organic Remains and of Objects of Human Manufacture 

 near Jarnac] Bull. iSoc. Geol. France, 3 se'r. t. iv. pp. 28-30. 

 The deposit, 100 kilometres from and 40 metres above the sea, is a 

 few inches thick, and consists of marine shells, with fragments of pot- 

 tery and iron nails. Beneath this remains of Gallo-Eoman buildings 



