Individuals will assemble in Persis Smith Hall for preliminary instruction in sighting drills for the rifle from 10 until 12 o'clock and from 1.30 until 3 o'clock, under the supervision of Sergeants Bryan and Gavigan, U.S.A.

Provisional companies will assemble on Soldiers Field for drill with arms from 3 until 5 o'clock, under the supervision of the Assistant Instructors and Company Officers.

Companies E, F, G, and H will assemble in the roadway, east of James Smith Hall for drill with arms at 5.10 o'clock, under the supervision of the Regimental Commander.

Companies C and D will assemble in Persis Smith Hall for drill with arms at 7.15 o'clock, under the supervision of the Regimental Commander.

The memorandum of the 15th inst.--re attendance at certain prescribed formations--is amended to include as authorized absentees, in addition to the sick or injured, the following:

(a) Those having college engagements, (b) whose examinations take place prior to June 3; or, (c), whose absence from Cambridge is necessitated, (d) such men as may be placed upon the authorized excused list. C. CORDIER,   Captain, U. S. Army,   Commanding.