1892. ] NEW YORK ACADEMY OF SCIENCES. 105 
Mr. TaTLock gave an interesting description of the recent 
auroral displays, as follows :— 
Remarks on the Aurora of February 13, 1892. 
The aurora was observed from about 6.30 to 7.15 P. M. in West 
78th Street, near Riverside Drive, where an uninterrupted view was 
secured of the phenomenon. This aurora presented some curious 
and unique features, the principal of which are as follows : — 
i eS, ee es eS 4 
ioe tice Se . 
ERRATA. 
On p. 129, 13tn line from top, for ‘‘in less characteristic schists by G. H. 
Williams from the contacts of the Cortlandt series on the Hudson,”’ read ‘‘ in 
Europe in less characteristic schists by Teller and von John at Klausen in the 
Tyrolese Alps.’’? 
On same page, let the footnotes read as follows :— 
1 Albany Granite and its Contact Phenomena. A. J. S., Jan. 1881. 
2 Geologisch-petrographische Beitrige etc. Jahrbuch d. k. k. geol. Reichsanst. 
xxxii. 589, 1882. 
On p. 130, 16th line from top, for ‘‘ 0.0021, 0.0021, 0.00224, and 0.0026 per 
cents.’’ read ‘* 0.21, 0.21, 0.224, and 0.26 per cents.”’ 
Vor. XL.—S8 
