127 



4. AMERICA. 



Abert, S. T. Report of a Survey of a Line to connect the Waters of 

 the Xeiise and Cape Fear River in North Carolina, and of a line 

 to connect the waters of Norfolk Harbor in Virginia with the 

 waters of Cape Fear River, at or near Wilmington, in North 

 Carolina. JSru/ineer Dejuirtment, U. S., no. 35. 

 Contains much matter on the physical features of the coast, and on 

 the changes which have been and are still going on there as to the 

 limits and depths of the Sound, and the extent and outline of the sea- 

 made lands. (Noticed in Amer. Journ. ser. 3, vol. xii. p. 149.) G. A. L. 



Ackermann, — . Die KupferfUhrenden Schichten am Lake Superior. 

 [Copper-bearing Beds of Lake Superior.] Sitz. Isis Dresden, 

 for 1875, pp. 101-105. 



Agassiz, Prof. A. Recent Corals from Tilibiche, Peru, nearly 3000 

 feet above the sea-level. Bull. Comp. Zool. vol. iii. See also 

 Nature^ vol. xiv. pp. 217, 218. 



These corals, indicating a former extension of the sea to that level, 

 have yet a very modern aspect. 



Agassiz, Prof. A., and S. W. Garman. Exploration of Lake Titi- 



caca. Ball. Mus. Comp. Zool. vol. iii. p. 274. 

 Carboniferous and Devonian rocks are described. 



Allen, J. A. The Little Missouri " Bad Lands." Amer. Nat. vol. x. 

 pp. 207-216. 



Describes the scenery of these Bad Lands in Dakotah. The lignites 

 interbedded with the sands and clays appear to be liable to spontaneous 

 combustion ; so that, whenever exposed to the atmosphere, they are 

 reduced to cinders, and the associated cla3's and sands are highly meta- 

 morphosed for a distance sometimes of 40 or 50 feet from the original 

 seam. H. A. N. 



Anon. Explorations in Colorado under Professor Hayden in 1875, 



Amer. Nat. vol. x. pp. 1G1-1G5. 

 Summarizes the work carried out by the United States Survey of the 

 Territories, and gives an account of the discoveries made. 



. Extinct Coral-reef at Bahia. Amer. Not. vol. x. pp. 439, 



440. 

 Gives an account of an extinct fringing-reef off the island of Itaparico, 

 in the Bay of Bahia. 



