Records of Milne Seismograph No. 16, At Christchurch, New Zealand.

Latitude, 43° 31′ 50″ S.; longitude, 172° 37′ 18″ E. Time employed: Greenwich mean civil time.

P.T., preliminary tremors less than 2 mm. complete amplitude; A.T., after-tremors less than 2 mm. complete amplitude; B., E., beginning and end of vibrations not less than 2 mm.; Amp., half-range in millimetres; 1 mm. boom motion=0″.43. B. and E. signify beginning and end of amplitudes exceeding 1 mm., the range being 2 mm.

C. Coleridge Farr,