232 ADDITIONS TO THE LIBEART. 



Vienna. Tschermak's Mineralogische und Petrographische Mittheil- 

 ungen. Neue Folge. Band xi. Hefte 4-6. 1890. Pur- 

 chased. 

 J. Granzer. Das ortholdasalinliclie Druzenmineral und der Leucit- 

 tepbrit vom F.ulenberg'e bei Leitmeritz, 277. — E. Ludwig. Der Preblauer 

 Siiuoiiing, 29;">. — E, Ludwig. Fortgesetzte Untersuchungen liber die 

 jirseiibaltigen Vitriolquellen von Srebrenica in Bosnien, 301. — E. Ludwig. 

 Die Mineralquellen des Biidcis (Balvnayos) in Siebenbiirgen, 304. — C. 

 Doelter. Einige Versuche iiber die Losliclikeit der Mineralien, 319. — 

 A. Pelikan. Natiirliche Aetzung an Topaskrystallen von San LuisPotosi 

 in Mexico, 331. — F. Becke. Aetz versuche am Fluorit, 349. — M. Hunter 

 und H. Rosenbusch. Ueber Moncliiquit, 445. — O. Lang. Ueber die 

 Individualitat der Gesteine, 467. — 0. v. Than. Die cheiuische Consti- 

 tution der Mineralwasser und die Vergleichung derseiben, 487. — F. Becke. 

 Orientirung des Dolomit von Gebroulaz, 536. 



. . . Band xii. Heft 1. 1891. Purchased. 



J. J. Sederholm. Ueber die finnlandischen Rapakiwigesteine, 1. — E. 

 Ludwig und G. Tschermak. Neue Chloritanalysen, 32. — J. Hof. Kera- 

 mohalit von Tenerifa, 39. — F. Becke. Kr^^stallform und optische 

 Orientirung des Keramohalit von Tenerifa, 45. — H. Rosenbusch. Zur 

 Auffassungder chemischenNatur des Grundgebirges, 49. — A. Brunlechner. 

 Der Baryt des Huttenberger Erzberges, 62. — G. Linck. Aetztiguren am 

 Sylvin, 82. 



Warvrick. Warwickshire Naturalists' and Archaeologists' Field- 

 Club. 34th Annual Report, 1889. 

 P. B. Brodie. On the Character, Variety, and Distribution of the 

 Fossil Insects in the Palaeozoic (Primary), Mesozoic (Secondary), and 

 Cainozoic (Tertiary) Periods : with an accoimt of the more recent dis- 

 coveries in this branch of Palaeontology up to the present day, 7. — W. 

 Andrews. On the Bore-holes at Coventry, 27. 



35th Annual Report, 1890. 1891. 



P. B. Brodie. Annual Address of the President, 3. — W. Andrews, 

 On a Discovery of Blue Slate in North Warwickshire, 9. — P. B. Brodie. 

 On Fossil and Recent Extinct Birds, with an account of the Formations 

 in which they occur, and the Circumstances of their Preservation, 11. 



Washington. Smithsonian Institution. Annual Report for the 

 year ending June 30, 1886. 1 889. 



xAnnual Report for the year ending June 30, 1887. 



Parts 1 & 2. 1889. 



-. . Annual Report of the Board of Regents, showing- 



the operations, expenditures, and conditions of the Institution 

 to July 1888. 1890. 



— for the year ending June 30, 1888. Report 



of the U.S. National Museum. 1890. 



— . . Contributions to Knowledge. Vol. xxvi. 4to. 



1890. 

 A. Hyatt. Genesis of the Arietidce, Article II. (1889.) 



