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A summary of the survey work executed during- the year is given in the following tables : —

Till ANGULATION. Not much of this class of work has been done during the year. With respect to the secondary triangulation, it was hoped that better progress would, have been made this year than heretofore, but at the beginning of the year it was impossible to spare from settlement surveys suitable surveyors for this class of work, and later, owing l to the urgent need of the strictest economy during war-time, it was decided to hold this work in abeyance. The completion of the observations for connecting the Wairarapa base with the initial station (Mount Cook) was nevertheless effected, and this gives data for oomputing and readjusting the co-ordinate values of a large proportion of the minor triangulation stations in the Wellington District and for connecting several suburban standard surveys with the initial station. In the Auckland District a few signals were built, but no observations taken. The necessary computations were made in connection with the observations for- azimuth completed last year. In minor triangulation the only work done has been that absolutely necessary for the control of settlement surveys, and it included the revision of portions of old triangulation work which had been found not to be up to the standard of accuracy required in modern surveys.

Table 1 Class of Work. Area. Average (Jos per Acre. Average (Jost per Acre. >si St Total Cost. Acres. Triangulation, by staff surveyors .. .. .. 178,353 Topographical, by staff surveyors .. .. 311.985 Rural, by staff surveyors .. .. .. 805,134 Rural, by licensed surveyors .. .. .. 57,794 Rural, by licensed surveyors (costs not available) ..' 24,245 Village and suburban, by staff survej'ors . . .. I .920 Village and suburban, by licensed surveyors .. 23-25 Village and suburban, by licensed surveyors (costs not 20 available) Town, by staff surveyors .. .. .. 618 (in 650 sections) Town, by licensed surveyors .. .. .. 160 (in 34 sections) Town, by licensed surveyors (paid by applicants) .. 54 Native Land Court, by staff surveyors .. .. 79,354 Native Land Court, by licensed surveyors . . .. 302.355 Native Land Court, by licensed surveyors (paid by 18.275 applicants) Maori Land Board, by staff surveyors .. .. 4,460 Mining, by staff surveyors .. .. .. 90 Mining, by licensed surveyors (paid by applicants) .. 2.561 Roads, by staff surveyors . . . . . . 405 miles Roads, by licensed surveyors . * .. .. 20 ,, Roads, by licensed surveyors (costs not available) .. 105-41 miles ()-97d. l-77d. 0-95s. I -33s. £ i. d. 723 4 1 2.297 13 10 38.432 15 2 3.845 9 6 7-12s. I7-25s. 683 17 3 i 20. I 0 27-18s.* 883 9 4 5) 56-OOs.* I 95 0 0 r IL2d. l7-09d. 4,693 16 II 21 .531 3 2 26-37d. 3-01 s. 190 I 3 13 11 1 E17-23t ! CI7-4 f 6.985 14 0 348 0 5 I ■■ * Per section. f P° r mile. Table B. Land District. Rural Surveys. , Native Land Court Surveys. i: - ! <» Aptipij Auckland .. .. .. 159,768 Hawke's Bay .. .". .. 76,188 Taranaki "'.. ,. .. 10.652 Wellington .. .. .. 23,945 Nelson .. .. .. .. 58,413 Marlborough .. .. .. 18,022 Westland .. .. .. 8.904 Canterbury .. .. 48.852 Otago .. .. .. .. 469.387 Southland .. .. .. 13.012 Acres. 170,333 143,020 31.750* 58.383 735 63 160 I Totals .. .. .. 887. 173 101.444 * Includes 4,460 acres Maori Land Board.