24 SOCIEDAD ARAGONESA 



New Species of North American Coleóptera, John L. Le- 



conte. Part 1 . 1866. 

 List of described Species of Humming Birds, Daniel 



Giraud Elliot. 1879. 

 Explanation of the Principies of Crystallographie and 



Crystallophj^sics, Aristides Bvezina. Washington 1874. 

 Catalogue of Oíd World Birds in the United States Na- 

 tional Museum, Rohevt Ridgway . 1882. 

 ■526. An Account of the Progress in Geology in the Years 



1 881, 1882, T. StevvyHunt. 1883. 

 531. An Account of the Progress of in Mineralogy in the 



Year 1S82, Edward S. Dana. 1882. 

 575. An Account of the Progres in Geology in the 

 Year 1883. T. Sterry Himt. 1884. 

 — 580. An Accout of the Progress in Mineralogy in the 

 Year 1883. Prof. Edward S. Dana. 



615. An Account of the Progress in Mineralogy in the 

 Year 1884, Prof. Edward S. Dana. 1885. 



616. An Account of the Progress in Vulcanology and 

 Seismology in the Years 1883, 1884, Prof. Charles G. 

 Rockwood. 1885. 



639. An Account of the Progress in Mineralogy in the 



Year 1885, Prof. Edward S. Dana. 1886. 

 -634. An Account of the Progress in Vulcanology and 

 Seismology in the Year 1885. Prof. Charles G. Rock- 

 wood. 1886. 



— 697. An Account of the Progress in North American Geo- 

 logy in the Year 1886, Nelson H. Darton. 1889. 

 — 699. An Account of the Progress in Vulcanology and 



Seismology in the Year 1886, C. G. Rockwood. 1889. 

 — 703. An Account of the Progress of Mineralogy in the 

 Year 1886, Edward S. Dana. 1889. 

 753. An Account of the Progress in Mineralogy for the 



Years r887, 1888, Edward S. Dana. 1890. 

 776. On the Movements oí theEarth' sCrust, A . Blytt. 1891. 

 806. On the Physical Structure of the Earth, Henry Hen- 

 nessy. 1891. 



