A neglected correction in the use of refraction tables. By CLEVELAND ABBE.

On certain discontinuous and indeterminate functions, with applications. By

CHARLES K. WEAD (Title).

On the limitations in the use of Taylor's theorem for the computation of the

precessions of close polar stars. By Wм. A. ROGERS and ANNA WIN-

LOCK (Title)

On a method of determining the constants of precession, which is partially

independent of the variations of the proper motion of the stars employed.

By WM. A. ROGERS (Title)