372 



DONATIONS 



TO THE 



LIBRARY OP THE GEOLOGICAL SOCIETY. 



From January 1st to March 31st, 1863. 



I. TRANSACTIONS AND JOURNALS. 



Presented by the respective Societies and Editors. 



American Journal of Science and Arts. Second Series. Vol. xxxiv. 

 No. 102. November 1862. From Prof. B.Silliman, For. Mem. G.S. 



A. Winchell. — Saliferous Rocks and Salt-springs of Michigan, 307. 



W. Gibbs. — Researches on the Platinum Metals, 341. 



O. D. Allen. — On Caesium and Rubidium, 367. 



C. Rominger.— Calamoporce from the Gravel-deposits near Ann Ar- 

 bour, Michigan, 389. 



G. J. Brush. — Triphyline at Norwich, Massachusetts, 402. 



Spectrum-analysis, 403 ; Thallium, 409. 



J. P. Lesley. — Appalachian region of Southern Virginia, 413. 



J. W. Dawson. — Footprints of Limidus compared with the Protich- 

 nites of the Potsdam Sandstone, 416. 



Thirty-second Meeting of the British Association, 432. 



Dana's ' Manual of Geology,' noticed, 444. 



. . Vol. xxxv. No. 103. January 1863. From Prof. 



B. Silliman, For. Mem. G.S. 



A. Winchell. — Identification of the Cattskill Red Sandstone Group 

 with the Chemung, 61. 



C. Rominger. — True nature of Pleurodictyum problematicum, 82. 



D. M. Balch. — Tellurbismuth from Dahlonega, 99. 



Brush and Torrey. — Variety of Galena with octahedral cleavage, 126. 

 The Archaopteryx, 129. 



J. W. Kirkby. — Species common to Carboniferous and Permian strata, 

 133. 



Art-Union of London, Report for 1862. 



