120 ADDinOK'S TO THE LIBEAEY. 



Halle a. S. Zeitsclirift fiir Xaturwissenschaften. Bandlx. Hefte 1 

 & 2. 1887. 

 V. Steinecke. Ueber einige jiingere Eruptivgesteine aus Persien, 1. — 

 K. Picard. Ueber zwei interessante Versteinerungen aus dem unteren 

 Muscbelkalk bei Sondersbausen, 72. — C. Frommknecht. Petrograpbiscbe 

 Studien an EruptiYgesteinen aus der Umgegend von Neubaldensleben, 

 144. 



Hanau. "Wetterauische Gesellschaft fiir die gesannnte Naturkunde. 

 Bericht. 1885-87. 1887. 



Hermannstadt. Siebenbiirgischer Yerein fiir Xaturwissenscbaften. 

 "Verhandlungen und Mittbeilungen. Jahrgang 37. 1887. 



Hertford. Hertfordshire Natural- History Society and Field-Club. 



Transactions. Yol. iv. Parts 6 & 7. 1887. 

 Institution of Civil Engineers. Minutes of Proceedings. Yol. Ixxxix. 



1887. 



. . Yol. xc. 1887. 



J. W. Grover. Chalk Springs in the London Basin, illustrated by the 

 Newbury, Wokingham, Leatherhead, and Bickmansworth Waterworks, 

 1.— W. Fox. Borings in the Chalk at Bushey, Herts, 21.— T. S. Stooke. 

 On a Bore-hole in Leicestershire, 28. 



. . Yol. xci. 1888. 



. — . Yol. xcii. 1888. 



Brief Subject-Index. Yols. Hx.-xc. Sessions 1879- 



80 to 1886-87. 8vo. 1887. 



. Charter, Supplemental Charter, By-laws and List of Mem- 

 bers. 8vo, London. 1887. 



Iowa Academv'of Sciences. Proceedings. 1875-80. 8vo. 1880. 

 Presented hy W. WhitaJcer, Esq., F.R.S., F.G.S. 



Iron and Steel Trades Journal (late London Iron Trade Exchange). 

 Nos. 1491-1515. 1888. 



Kansas. Kansas City Eeview of Science and Industry. Yol. ii. 

 No. 12. 1879. Presented hy W. WhitaJcer, Esq., F.B.S., 

 F.G.S. 

 A. Lakes. The Dinosaurs of the Pocky Mountains, 731. 



. . Yol. iii. No. 8. 1879. Presented hy W. WUtaker, 



Esq., F.R.S., F.G.S. 

 S. W. Williston. Are Birds Derived from Dinosam's ?, 457. — G. 0. 

 Broadhead. Notes on Surface Geology of S. W. Missouri and S.E. Kansas, 

 460. — E. W. Guild. Climate, Geology and Natural History of Western 

 Kansas, 461. 



Kingston. Queen's CoUege and ITniversity, Kingston, Canada. 

 Calendar for the Tear 1887-88. 1887. 8vo. 



Lausanne. Societe Geologique Suisse. Eclogse Geologicae Helvetiae. 

 Eecueil Periodique. 1888. No. 2. 1888. 

 E. Favre et H. Schardt. Eevue Geologique Suisse pour I'annee 1887, 

 89. 



