58 GEOLOGY. 



DoLLFUss, G. Sediments et faune du Sinus Itius. [Sedimentary 



deposits and fauna of the Sinus Itius.'] Ann. Soc. Geol. Nord, 



1870-74, pp. 10, 11. 



Abstract. Lists of moUusca from three sets of deposits, representing the 



bed of the Eoman Sinus Itius between St. Omer and the sea, are given. 



These marine beds lie between the old peat and the soil. G. A. L. 



. Fossiles dans I'Ypresien de Roubaix. [Possils in the Ypresian 



of Roubaix.] Ann. Soc. Geol. du Nord, 1870-74, pp. 12, 13. 

 Section shown by works at the railway- station, with names of fossils 

 found. 



. Fossiles dans I'Ypresien de Mouscron. [Fossils in the Ypre- 

 sian of Mouscron.] Ann. Soc. Geol. Nord, 1870-74, pp. 44, 45. 

 Section at the Mouscron station, with names of fossils found. 



. Sur un travail de M. Yieillard, Ingenieur des Mines, intitule : 



Le terrain houiller de Easse-Normandie. [On a work entitled 



"the Coal Measures of Lower Normandy."] BuU. Soc. Geol. 



France, 3 ser. t. ii. pp. 308-312. 



Defines the boundaries of the coal-fields in question. The author 



thinks it improbable that other coal-fields may be found in Normandy 



in other Silurian folds. G. A. L. 



Dkascue, Dr. [E,.] von. Ueber ein merkwiirdiges Gang-Yorkommen 

 bey Throndhjem in Nowegen. [On the occurrence of a remarkable 

 vein at Throndhjem in Norway.] Yerh. k.-k. geol. Eeichs. 

 pp. 40, 41. 



Describes the occurrence of a remarkable vein of protogine. 



Droit Aux, G. Eapport sur les Travaux de la Societe pendant I'Annee 

 1873. [Work of the Society in 1873.] Bull. Soc. Geol. Norm, 

 t.i. 2fascic. pp. 193-216. 



Dtjmortiee, — . Etudes Paleontologiques sur les depots Jurassiques 



du Bassin du Ehone. [Palseontological studies on the Jurassic 



deposits of the Ehone basin.] Compt. Eend. 2 sess. Assoc. Frang. 



p. 364 (abstract). 



Upper Lias divided into two zones- characterized by Ammonites 



hifrons and A. opalinus, 



DupoNT, — . Note sur le terrain devonien. [On the Devonian.] 



Bull. Ac. roy. Belg. 2 ser. t. xxxvii. pp. 196-198. 

 Observations on Prof. Gosselet's paper on the Devonian rocks of the 

 ountry between the Sambre and the Mouse. 



Ebray, Th. Parachevement de la demonstration de I'existence du 

 Lias inferieur, a Charlieu. [Lower Lias at Charlieu.] Bull. Soc. 

 Geol. France, 3 ser. t. ii. pp. 208, 209. 



A note establishing the existence of the Lower Lias on the evidence 

 of a few fossils. 



