Geology and Mineralogy. 73 



(=Ordovician), since both the St. John and the Quebec groups 

 include strata of two great geological systems." (pp. 120-121.) 



5. Fossil resin. — The following chemical analyses of specimens 

 of a fossil resin of black color from two horizons in the Tertiary- 

 formation in Alabama, viz : the base and the summit of the 

 Eocene, imbedded in impure limestone, are reported by Eugene 

 A. Smith, the State Geologist, in a letter to the editors. 



The analyses were made by Dr. Win. B. Phillips. 



No. 1. Marengo Co., Ala. Base of Eocene. 

 No. 2. Barbour Co., " " " 



No. 3. Choctaw Co., " Top 



Proximate Analyses. 



I. II. III. 



Volatile matters 51-65 62-85 62-90 



Fixed carbon . 41-00 36*20 34-50 



Ash -15 -85 2-30 



Moisture 1-20 '10 -30 



100-00 100-00 100-00 



Ultimate Analyses. 

 I. 



Carbon... 63-88 



Hydrogen 9-07 



Oxygen by difference 20-21 



Nitrogen 0-37 



Sulphur 5 - 12 



Ash -15 



Moisture.. 1-20 



II. 



III. 



59-86 



54-47 



7-90 



7-72 



26-17 



29-71 



0-63 



0-22 



4-49 



5-2S 



•85 



2-30 



•10 



•30 



100-00 100-00 100-00 



6. -Papers and Notes on the Glacial Geology of Great Britain 

 and Ireland ; by the late Henry Carvili. Lewis, M.A., F.G.S., 

 Professor of Mineralogy in the Academy of Natural Sciences, 

 Philadelphia, and Professor of Geology in Haverford College, 

 U. S. A. Edited from his Unpublished MSS. with an Introduc- 

 tion by Henry W. Crosskey, LL.D., F.G.S. London : Longmans, 

 Green & Co. 1894. 8vo, pp. lxxxi, 469. — The sudden death 

 of Professor Lewis in July, 1888, just as he was beginning to 

 revise his field work on glacial geology in Great Britain and 

 Ireland, led many to fear that the world had lost the greater part 

 of the work already done by him, for there are few observers 

 whose field notes can be safely published without the author's 

 own revision ; but those who knew the habits of Professor Lewis 

 expected that his notes upon this subject would prove of inesti- 

 mable value. They are not disappointed. The present volume 

 of 550 elegantly printed 8vo pages, is really one of the most im- 

 portant contributions to glacial geology which has yet been made. 

 The late Bev. Henry W. Crosskey has furnished an introduction 



