CONTENTS.

PAGE. General Report: Summary o£ work done for 1883-84 .. .. i Triangulation .. .. ■ ■ ■ • .. i Geodesical Operations: Longitude .. •. ■ • • • .. u Latitude .. .. •• •• .. iv Reconnaissance survey.. .. • • .. v Settlement survey .. .. • • • • Y Native surveys .. ■ ■ • ■ " Ju Mining, road, Land Transfer surveys .. .. vii lload construction .. ■ • • ■ " TS Publication of maps .. .. • • • • viii Miscellaneous work .. ■ ■ • • ■ • V»J Future operations .. .. • • • • viii General roturn of field-work, and cost of department .. • • • • ■ • .. x Tndex map, showing state of surveys. Land-tenure maps (2). Map of triangulation across Cook Strait. Map of geodesical latitudes and longitudos. Plan of observatory. Appendix No. I.—Longitudo : Report on telegraphic difference of longitude, Sydney to Wellington .. .. • • .. 1 Description of instruments .. .. .. 2 Arrangement for exchange of time-signals .. 3 List of observations at Mount Cook Collimation error, transit instrument .. .. 7 Level error, transit instrument .. .. .. 8 Azimuth error, transit instrument .. .. 10 Meridional transits of stars .. .. .. 12 Clock errors (with diagram) .. .. .. 15 Clock corrections .'. .. • • .. 15 Personal equations .. ■ ■ • • .. 15 Time-signals .. .. • • ■ ■ .. 16 Correction of clock times .. .. .. 23 Difference of longitude, Sydney and Mount Cook .. 24 Appendix No. 2.—Settlement Surveys : Report of Assistant Surveyor-General, Auckland .. 25 Reports of Chief Surveyors : Hawke's Bay .. • • • • .. 31 Taranaki .. .. • ■ • • .. 32 Wellington .. .. .. ■■ ..36 Marlborough ■ ■ - • • • .. 38 Nelson .. • - •• •• ..40 Westland .. ■ • • • ■ • ■ • 41 Canterbury .. .. • • • ■ .. 43 Otago .. •• •• •• ..44 Southland .. .. .. •■ ..46 Degree of Precision obtained : Auckland .. .. • • • ■ .. 25 Wellington .. .. •• •• ..37 Nelson .. • • ■ • • • .. 39 Westland .. .. • • • • 41, 42 Major Triangulation and Standard Survey: Auckland .. .. • • • • .. 25 Taranaki .. .. • • • ■ .. 84 Marlborough .. ■ • • • .. 38 Westland .. .. •• •• •■ 41 Minor Triangulation: Auckland .. .. • • • • .. 26 Hawke's Bay .. ■ • • • .. 31 Taranaki .. ' .. . • • • .. 34 Wellington .. .. .. •• ..36 Marlborough .. .. • • .. 38 Nelson (with diagram) .. .. .. 39 Westland .. .. .. •• • • 41 Canterbury .. .. .. • • .. 43 Otago 44 Southland .. .. .. ■• • • 40 Settlement Surveys: Auckland _ .. ■ • • • .. 26 Hawke's Bay .. • ■ • • .. 31 Taranaki .. .. «-^£ • • ■ ■ .. 34 Wellington .. .. . • • • .. 36 Marlborough •"> .. .. •• ..38 Nelson .. ■• ■• •• ..40 Westland .. .- •• •• ..41 Canterbury .. .. ■ • • • .. 43 Otago 44 Southland .. .. • ■ • ■ .. 40

PAGE. Native Surveys: Auckland .. .. .. .. 27 Hawke's Bay .. .. .. .. 32 Taranaki .. .. .. .. 35 Wellington .. .. .. .. ..86 Road Surveys: Auckland .. .. .. .. .. 27 Hawke's Bay .. .. .. .. il Taranaki '.. .. .. .. .. 86 Wellington .. .. .. .. ..37 Marlborough .. .. .. .. 88 Westland .. .. .. .. .. 42 Otago .. .. .. .. ..if> Mining Surveys: Marlborough .. .. .. .. 88 Nelson .. .. .. .. .. 40 Westland .. .. .. .. ..41 Canterbury .. .. .. • ■ 43 Otago .. .. .. .. ..44 Town Standard Surveys: Auckland .. .. .. .. .. 27 Hawke's Bay . - .. .. 32 Nelson .. .. .. .. .. 40 Otago .. .. .. .. .. 14 Land Transfer Surveys : Auckland .. .. .. .. ..28 Hawko's Bay .. .. .. 32 Nelson .. .. .. .. ..40 Canterbury .. .. .. .. .. 43 Otago .. .. .. .. .. 48 Inspection: Auckland .. .. .. .. .. 28 Taranaki .. .. .. .. .. 88 Wellington .. .. .. .. ..37 Westland .. .. .. .. ..42 Canterbury .. .. .. .. .. 48 Otago .. .. .. ■. .. 48 Examination of Candidates for Survey Authorization : Auckland .. .. .. ■ • .. 28 Office Work: Auckland .. .. .. .. ..28 Hawke's Bay .. .. .. .. 32 Taranaki .. .. .. .. .. 86 Wellington .. .. .. .. .. 37 Marlborough .. .. .. ..39 Nelson .. .. .. .. ..40 Westland .. .. .. .. ..42 Canterbury .. .. .. .. .. 43 Otago .. .. .. .. ..45 Southland .. .. .. .. .; 46 Future Operations : Auckland .. .. .. .. 28 Hawko's Bay .. .. .. .. 82 Taranaki .. .. .. . ■ 36 Wellington .. .. .. .. ..37 Marlborough .. .. .. .. 89 Nelson .. .. .. .. ..40 Wostland .. .. .. .. ..42 Canterbury .. .. .. .. ..48 Otago .. .. .. .. ..46 Southland .. .. .. .. •• 46 Report on triangulation of King country, North Island (with map) .. .. .. .. 29 Observations for latitude, Taranaki .. 36 and 32 Exploration of West Coast, Middle Island .. 42 Head Office —General report on work done .. 17 Surveyors employed, and work on hand (with maps, (2) (Tablo No. 1) .. .. ..48 Instruments of title prepared (Table No. 2) .. ).S Land Transfer work dono (Table No. 3) .. ..48 Photographs taken (Tablo No. 4) .. .. 48 Lithographic Printing done: Head Office (Table No. 5) .. .. .. 49 All offices (Tablo No. 6) .. .. ..49 Return of Field-work: Auckland (Table No. 7) .. .. ..61 Taranaki (Table No. 7) .. .. .. .M Hawko's Bay (Table No 7) .. .. .. 52 Wellington (Table No. 7) .. .. .. 02 Nelson (Table No. 7).. .. .. .. <">'! Marlborough (Table No. 7) .. .. .. 68