200 GEOLOGY. 



Evans, M., and T. Bowstead, Report on laying down land to Per- 

 manent Pasture. Jouni. R. Agric. Soc. ser. 2, vol. xi, pp. 442-509. 

 Contains 55 Sub-lleports from farms in various parts of England and 

 Wales (pp. 452-497). There are notes on the soils ; and in many cases 

 the rock-formations beneath are mentioued. W. T. 



Everwijn, H. Onderzoek von Kolen volgens de methode van Hilt, 

 met eine Bijlage. [The Search for Coal after the Method of Van 

 Hilt, with an Appendix.] Jaarb. Mijn. Ned. O.-Ind. 3 Jaar. 2 Deel, 

 pp. 119-132. 



Frankland, Dr. E., and J. C. Morton. Sixth lieport of the Com- 

 missioners appointed to inquire into the best means of preventing 

 the Pollution of Elvers. — Domestic Water Supply of Great Britain. 

 Fol. Lond. Pp. xi, 525. Maps and Plans. [Although dated 

 1874, not published till late in 1875.] 

 A Geological Map of the British Islands (scale 25 m. to 1 inch), pre- 

 pared by E. Best, accompanies the Report. Part ii. (pp. 24-131) gives 

 analyses of about 2000 waters, classified as follows : — Upland Surface- 

 waters, Surface-waters from Cultivated Land, Shallow Well Waters, 

 Deep Well Waters, Spring Waters ; each class is subdivided according 

 to the quality of the water, and again as to the beds in which it occurs. 

 Part iv. Descriptive, is divided as follows : — Water Supply of the 

 Metropolis ; Water Supply of Provincial Cities, Towns and YaUeys ; 

 Rural Water Supply ; Water Supply to the Royal Residences. Appen- 

 dices 5 and 6 by J. Bravender ; The Watershed of the Upper Thames, 

 Remarks on the Geological Strata of the Upper Thames, with notes on 

 the yield of Springs in the Basin of that River. Geological notes are 

 scattered throughout. W. T. 



Frazer, Prof. Persifor. Hydro-Geology. Trans. Amer. Inst. Min. 



Eng. vol. iii. pp. 108-116. 

 Formulated rules for solving questions of water-supply, and par- 

 ticulars of a reconnoissance for water made on Lehigh Mountain. 



Helmersen, G. v. Einige Erwagungen iiber die Bedeutung der 

 Steinkohlen-Industrie in Russland. [Significance of the Coal- 

 Industry in Russia.] St. Petersburger Zeitung, Jan. 7, 15, 16, 17. 



Opening address at the annual meeting of the Imperial Academy of 

 Sciences, St. Petersburg. 



Hunt, Robert. Mineral Statistics of the United Kingdom of Great 



Britain and Ireland, for the year 1874, with an Appendix. Pp. xv, 



279. 8vo. London. 



Gives the amount and value of the various minerals raised in 1874. 



The character of the iron-ores from the various districts is stated. The 



Appendix (pp. 181-279) gives a list of the mines in the United 



Kingdom, noting the chief minerals produced in each. W. T. 



. On the present state of Tin production and the Tin trade. 



Bep. Miners^ Assoc. Cornwall for 1874 and part of 1875, pp. 35-39. 

 The total output of tin-ore by Cornwall and Devon, as well as 



