7

C—la

Table 4. —Return showing Surveyors employed and the Work on Hand on 1st April, 1916.

Table 5. —Principal Glasses of Office-work done from 1st April, 1915, to 31st March, 1916.

APPENDIX I.—THE MAGNETIC OBSERVATORY. The Director states that during the year the Adie magnetographs at the Magnetic Observatory at Christchurch have been kept in continuous operation. From the resulting daily magnetograms there have been calculated an uninterrupted series of actual hourly values ol' tin l magnetic declination of every hour of the year. A similar series of hourly values of tin- horizontal magnetic force has also been calculated, with the exception of the Greenwich hours 10 h. lo L 5 h, and 17 h. to 23h. on the 17tli June. On this day the greatest magnetic storm of the year occurred, and unfortunately between the hours mentioned the horizontal force diminished so muoh that it was beyond the range of the instrument. The mean values of the magnetic declination lor the year is l(i° 17' E. of X.. and of the horizontal force O'22.'SS7 C.G.S. unit. Throughout the year the Milne seismograph lias been kept in continuous operation, and a large number of valuable records of earthquakes has been obtained. The work of developing records alone has been of considerable magnitude. The usual daily meteorological readings have been made and published for public information ; also the self-recording meteorological instruments have been successfully operated, Two especially important events in the history of this Observatory have occurred recently. The first is the visit to Lyttelton of the "Carnegie," the ocean magnetic surveying-vessel of the Carnegie Institution of Washington. This vessel, under tin- command of Captain J. P. Ault, arrived at Lyttelton mi the 3rd November. 1915, and sailed for a ci reuinpolnr cruise on the 6th December. During the visit an arduous bill valuable comparison was made between the Observatory standards and those of the Carnegie Institution, with ivsults not differing greatly from those obtained before during the visit of the " Galilee " in 1908. The " Carnegie " returned

Surveyors employed. Work on Hand. Chief Surveyors. i I H. M. Skeet .. ! W. H. Skinner .. G. H. Bullard .. G. H. M. MeClure P. A. Thompson .. H. G. Prioe W. P. Marsh C. R. Pollen R. T. Sadd H. D. M. Haszard Staff. T ™™°" ! Contract. ,' Land District. Trig. !?!??" Town. land Surrary. merit. yey i Bq. Mis. ! Acres. Acres. Acres. 13 5 47 Auckland .. .. * 189,406 44 261,557 6 1 12 Hawke's Bn,v .. 79,047 .. j 40,646 3 17 Taranaki .. 42 61,160 .. I 51,199 8 .. 9 Wellington .. .. 13,138 .. 46,097 4 1 1 Nelson .. .. 62,290 1 1 Marlborough I .. 5,906 1 1 Westland ..I .. 27,684 .. 3,970 2 1 .. Canterbury .. .. 69,698' 5 .. .. Otago .. .. 312,600 4 .. .. Southland .. .. 22,630 Roads. Miles. 337-0 9-0 16-0 7'8 29 5 Total staff surveyors Total staff surveyors 40 1.1 78 .'. 42 . 943,559 44 403,469 - Includes 1,500 acres topographical. 40 44 403,469 399 0 399 0

District. Plans placed on Insi of Title. ■d H a 1 9 m © m 8-S £ aj 3 R 3 " I I I auinoiits i o 1 i a> © °» 91 | J to 1 5i •3 og 1 =1 E | Maps drawn. CO n 1 II % 8 g \_ ■a ,a a Lithos sold. A (fi o I Auckland Hawke's Bay Taranaki Wellington] Nelson Marlborough Wostland Canterbury Otago Southland 1,755 3,224 184 2,529 302 I ,038 410 4,241 643 480 219 362 358 110 326 3,189 343 1,121 279 1,181 5,374 1,179 268 I ,289 2 204 142 5,340 844 49 2,275 185 1,861 582 154 219 267 446 410 243 410 84 209 69 3 307 173 343 109 469 216 2 26 5 16 16 94 20 3 3 4 13 2 42 1 41 £ s. d. 3,500 180 4 7 33 14 6 18 i 16 14 7 4 5 3 27 15 7 5 8 (I 19 !> 0 15 3 3 530 86 4 2 31 6 2 2,084 556 387 1 Totals 4,819 17,475 17,475 8,459 11,720 4,093 2,265 33 471 4,048 400 5 I