82 GEOLOGY. 



Malaise, C. Note sur la description du terrain silurien du centre 

 de la Bclgique. [Silurian rocks of Central Be]gium.] Ann. 

 Soc. Mai. Belg. t. viii. Bull, des seances, pp. c-cv. Abstract of 

 memoir in Mem. Ac. roy. Belg. 1873. 



Maktin, Jules. Deux epoques glaciaires en Bourgogne. [Two 

 glacial epochs in Burgundy.] Bull. Soc. Geol. Prance, 3 ser. t. i. 

 pp. 390-397. 



Brings forward evidence to prove that Burgundy shows relics of two 

 glacial epuchs, the first in Miocene and the second in Quaternary times ; 

 the former characterized by the conglomerates with scratched pebbles 

 of Dijon, by the clay with flints of the Chalonnais plain, and by the 

 conglomerates and grit of the Gatinais and the Senonais. To the latter 

 period belong the granitic sands, with rolled and angular blocks, of 

 Autun &c., the trainees of boulders at all altitudes, and the detritic 

 angular gravels which have been disintegrated from the subsoil on 

 many of the plateaux and hill-sides without transportation. G. A. L. 



— — . Renseignements complementaires sur I'epoque glaciaire Mio- 

 cene en Bourgogne. [Miocene glacial epoch in Burgundy.] Bull. 

 Soc. Geol. Prance, 3 ser. t. ii. pp. 269-272, 1 fig. in text. 

 A reply to objections to the author's former paper, especially insisting 

 on the probability of a period of cooling having occurred between the 

 Eocene and Miocene periods. G. A. L. 



Maetins, Ch. Aigues-Mortes : son passe, son present, son avenir. 

 Essai geologique et historique. [Aigues-Mortes : its past, present, 

 and future. Geological and historical essay.] 40 pp., map. Eevue 

 des Deux Mondes, Eeb. 15, 1874. 



— . Topographic geologique des environs d' Aigues-Mortes. [Geo- 

 logy of the neighbourhood of Aigues-Mortes.] Compt. Bend, 

 t. Ixxviii. pp. 1748-1750. 

 A letter discussing the deformation of the coast-line now going on 

 at the western extremity of the delta of the Rhone. Since the founda- 

 tion of Aigues-Mortes the sea has not retreated, and at that point the 

 delta has not progressed ; the increase of land which is taking place- is 

 owing to the deposit brought into the sea by the Petit Rhone, and 

 driven by the littoral current, which is kept up by the south-east winds 

 along the coasts of Provence and Languedoc ; and these are forming a 

 kind of natural breakwater. The amount of these deposits brought 

 down has been calculated at four millions of cubic metres a year. 



G. A. L. 



Mekcey, N. de. Geologic resume'e du canton d'A miens. [Geology 

 of the canton of Amiens.] Bull. Soc. Lin. N. Prance, pp. 128, 

 146. 



. Meyn, — . [Jurassic rocks of Germany.] Zeit. deutsch. geol. Gesell. 

 Bd. xxvi. pp. 355-362. 



