AMERICA. 127 



Geological matter in reference to the geysers, hot springs, canons, 

 and other natural phenomena of the district. 



Romanes, G. Anthracite Coal-Mining in Pennsylvania. Coll. Guard, 

 vol. xxvii. p. 574. 



A paper read at a meeting of the Edinburgh and Leith Engineers' 

 Society. There are three very large anthracite coal-fields in Pennsyl- 

 vania — the Schuylkyl, the Middle, and the Wyoming and Lacka- 

 wanna. The seams worked are from 4 to 20 feet in thickness. The 

 mode of working is described, and the commercial aspects of the subject 

 are discussed. G. A. L. 



ScHicKEXDANTz, D. F. Estudios sobre la formacion dc los Salinas. 

 [Formation of the Salt-plains.] Bol. Acad. Nac. Cordova, pt. iii. 



With analysis of the salt. 



Selwyn, R. a. C. (and others). Report of Progress of the Geolo- 

 gical Survey of Canada for 1873-74. Pp. 268. 8vo. Montreal. 



This volume comprises various reports of work done in connexion 

 with the Canadian Geological Survey, which, under its extended field of 

 operations, gives rise to much work, of necessity more in the way 

 of reconnaissance than of a detailed description of particular areas. 

 The headings are : — 



The Report on Operations in Manitoba with the Diamond-pointed 

 Steam Drill, by W. B. Watjd, pp. 12-16. 



Observations in the North-west Territory, from Fort Garry to Rocky- 

 Mountain House, by R. A. C. Selwyn, pp. 17-62. 



Memorandum on Western Coals, Iron-ore, &c., by Dr. B. J. Har- 

 rington, pp. 63-65. 



Report on the Country between Red River and the South Saskat- 

 chewan, by R. Bell, mainly a lignite Tertiary area, pp. 66-93, with 

 analyses by C. Hoffmann. 



Report on Geological Explorations in British Columbia [Vancouver's 

 Island], by James Richardson (pp. 94-102), which describes the 

 extension of the Cretaceous coal-bearing rocks, and, what is of more 

 interest, the discovery of fossils in limestones associated with the 

 highly altered green slates forming the older rocks of the island, 

 which are probably Carboniferous. There is also information as to 

 iron-ores and coal from the main laud ; but much of this is given in 

 the reports of other parties. 



Report of Explorations in Frontenac, Leeds, and Lanark Counties, , 

 with notes on the Plumbago and Apatite of Ottawa County, by H. G. 

 Yennor (pp. 103-146). A detailed account of all the workings that 

 have been carried on in the Apatite-deposits of the Lauren tian lime- 

 stones, some portions of which are illustrated by a map. 



Reports on the SpringhiU Coal-Field, by S. Barlow (pp. 147-160), 

 on the Coal-Field of Cumberland County, by W. M'^Ouatt (pp. 161- 

 170), and of Explorations in Capo Breton, by C. Robb (pp. 171-191), 

 are detailed examinations of parts of the Coal-field of Nova Scotia, and 

 contain details of the seams and mines worked, with chemical exami- 

 tions of the coal by C. Hoffmann. 



