Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.1): between the years 1826 and 1836 : describing their examination of the southern shores of South America, and the Beagles's circumnavigation of the globe

TABLES OP LATITUDE AND LONGITUDE, VARIATION OF THE COMPASS, AND TIDE. I. COASTS OF BRAZIL, RIVER PLATA, AND EASTERN PATAGONIA. The Latitudes to which the character Q is prefixed, have resulted from Astronomical Observa- tion. The Longitudes which have been determined by Chronometers, are designated by C ajnd those by Lunar Distances by ^ . Those without distinguishing marks are the result of Iriangulation. Tlie Longitudes in the following Tables depend upon that of Villegagnon Island at Rio de Janeiro, which was found by fourteen Chronometers from Plymouth to be 4.3° 05' 03" West of Greenwich. u ^ Name of Latitude South. Longitude West. I Variat. East. Tide. *? 1 u «r Direction "•f • of Flood, Place. Particular Spot. Santos Arsenal / // ©23 55 51 ©34 03 06 / // C. 46 16 33 C. 46 12 20 / H. M. Moela Lighthouse ... Alcatrasse Island Centre 024 08 10 025 07 28 ©25 21 29 ©25 30 14 C. 45 39 '5 C. 47 52 51 C. 47 54 11 C. 48 17 10 Abrigo Island ... Centre 2 m o Figuera Island . Centre ; Paranagua Fort on the Bar 5 44 3 — West Point of Cotinga 025 29 50 C. 48 26 32 5 34 — Church of S"Antoiiina 025 25 42 C. 48 39 52 St. Catherine ... S" Cruzd'Anhatomirim 027 25 35 C. 48 29 41 6 30 — City,President'sHouse ©27 35 30 Cape St. Mary... Gorriti Island... Extremity 34 40 20 ©34 57 00 C. 54 05 58 C. 54 53 38 ©D54 53 40 'm Well at N.E. end 13 48 ,3 Monte Video ... Rat Island, Flagstaff... ©34 53 23 56 09 30 11 23 u — Cathedral, Cupola ©34 54 37 56 07 35 12 07 — Lighthouse on Mount ©34 53 21 56 11 04 Buenos Ayres... Cathedral 34 35 50 C.58 17 53 C.65 17 25 d Ports" Elena.. Observ^marked on Plan ©44 30 45 19 10 4 17 feet Cape Two Bays Hill at projecting Point 44 58 00 1 s ,0 i Cape Blanco ... Port Desire North Point 47 15 00 047 45 05 C. 65 51 45 19 42 1 1 18 J feet Ruins _!_ 1- 10^