No. 7.—Some Fixed Points in the Provinces of the Rio de la Plata.
Province of Buenos Ayres.
| Place. | S. Latitude. | Longitude. | Where from. | Observations. | ||||
|---|---|---|---|---|---|---|---|---|
| ° | ´ | " | ° | ´ | " | |||
| Centre of the City of Buenos Ayres | 34 | 36 | 29 | 58 | 23 | 34 | Greenwich | |
| Anchorage of H. M. S Nereus in the Outer Roads in 1813 | 34 | 34 | 30 | 58 | 2 | 0 | " | Variation 12½° E.—1813 |
| Luxan | 34 | 38 | 36 | 1 | 1 | 10 | W. of Buenos Ayres | |
| Guardia del Salto | 34 | 18 | 57 | 2 | 14 | 49 | " | Variation 14° 39´ E.—1796 |
| Fort Roxas | 34 | 11 | 48 | 2 | 41 | 39 | " | |
| Fort Mercedes | 33 | 55 | 18 | 3 | 4 | 14 | " | |
| Fort Melinqué | 33 | 42 | 24 | 3 | 30 | 38 | " | |
| Corzo, near the Lake (source of the Salado) } | 34 | 4 | 55 | 3 | 36 | 32 | " | |
| Lake Roxas | 34 | 19 | 7 | 3 | 2 | 56 | " | |
| Lake Carpincho | 34 | 35 | 31 | 2 | 52 | 44 | " | |
| Lake Toro-Moro | 34 | 49 | 1 | 2 | 38 | 30 | " | |
| Lake Palentalen | 35 | 10 | 15 | 2 | 6 | 34 | " | |
| Lake de los Huesos | 35 | 14 | 30 | 1 | 34 | 44 | " | |
| Lake del Trigo | 35 | 14 | 3 | 1 | 14 | 54 | " | |
| Cisne | 35 | 46 | 0 | 0 | 20 | 5 | E. of ditto | |
| Manantiales de Porongos | 35 | 54 | 50 | 0 | 1 | 55 | " | |
| Lake Camerones Grandes | 36 | 0 | 59 | 0 | 9 | 19 | " | |
| Altos de Troncoso | 36 | 5 | 30 | 0 | 10 | 55 | " | |
| Fort Chascomus | 35 | 33 | 5 | 0 | 22 | 20 | " | |
| Fort Ranchos | 35 | 30 | 46 | 0 | 3 | 20 | " | |
| Lake Ceajo | 35 | 29 | 49 | 0 | 16 | 40 | W. of ditto | |
| Guardia del Monte | 35 | 26 | 7 | 0 | 31 | 10 | " | |
| Guardia de Lobos | 35 | 16 | 7 | 0 | 52 | 10 | " | |
| Fort Navarro | 35 | 0 | 13 | 1 | 3 | 25 | " | |
| N.B. The above positions from Luxan to Navarro were determined in the course of a survey of the frontiers, made in 1796 by Don Felix Azara, aided by Cerviño and Inciarte, all officers attached to the Commission for laying down the boundaries under the treaty, between Spain and Portugal, of 1777. The Statistical Register of Buenos Ayres, for 1822, has added to them the following:— | ||||||||
| San Pedro | 33 | 40 | 51 | 1 | 32 | 0 | " | |
| Barradero | 33 | 43 | 50 | 1 | 25 | 4 | " | |
| Conchas | 34 | 25 | 15 | 0 | 10 | 31 | " | |
| Pergamino | 33 | 53 | 16 | 2 | 24 | 25 | " | |
| Areco | 34 | 11 | 57 | 1 | 26 | 47 | " | |
| Arecife (Fort) | 34 | 3 | 8 | 2 | 6 | 13 | " | |
| Pilar | 34 | 26 | 4 | 0 | 52 | 54 | " | |
| Cañada de Moron | 34 | 40 | 45 | 0 | 23 | 49 | " | |
| Magdalena | 35 | 5 | 29 | 0 | 44 | 0 | E. of ditto | |
No. 7—continued.
Observations taken on the Journey of Don Pedro Garcia, in 1810, to the Salinas.
| Place. | S. Latitude. | Longitude. | Where from. | Observations. | ||||
|---|---|---|---|---|---|---|---|---|
| ° | ´ | " | ° | ´ | " | |||
| Pass of the Salado | 35 | 2 | 0 | 1 | 56 | 0 | Buenos Ayres | |
| Palantalen | 35 | 12 | 0 | 2 | 7 | 0 | " | |
| Lakes Tres Hermanas | 35 | 23 | 0 | 2 | 16 | 0 | " | |
| Cruz de Guerra | 35 | 41 | 0 | 2 | 24 | 0 | " | |
| Cabeza del Buey | 36 | 10 | 0 | 2 | 52 | 0 | " | |
| First Lake of the Cañada Larga | 36 | 38 | 0 | 3 | 24 | 0 | " | |
| Lake del Monte | 36 | 53 | 0 | 3 | 57 | 0 | " | |
| Lake da los Paraguayos | 36 | 58 | 0 | 4 | 12 | 0 | " | |
| Lake of the Salinas (centre) | 37 | 13 | 0 | 4 | 51 | 0 | " | |
| Positions fixed on the Expedition in 1823, to extend the Frontiers. | ||||||||
| Fort on the Tandil | 37 | 21 | 43 | 0 | 39 | 4 | " | Variation 14° 59´ E.—1823. |
| Lake beyond the Tinta hills | 37 | 40 | 3 | 1 | 27 | 0 | " | |
| Another further on | 37 | 44 | 7 | 2 | 0 | 7 | " | Var. 15° 18´ E. |
| Ruins of the Jesuit Mission | 37 | 59 | 48 | " | ||||
| By the Officers of His Majesty's Ship Beagle, in 1832. | ||||||||
| Cape Corrientes | 38 | 5 | 30 | 57 | 29 | 15 | Greenwich | |
| Sierra Ventana, highest summit | 38 | 11 | 45 | 61 | 56 | 18 | " | |
| Fort Argentine, near Bahia Blanca | 38 | 43 | 50 | 62 | 14 | 41 | " | |
| On the River Negro. | ||||||||
| Pilot's house at the entrance of the River Negro | 41 | 0 | 42 | 62 | 46 | 15 | " | Var. 17° 42´ E. 1832. |
| Town of Carmen on ditto | 40 | 48 | 18 | 62 | 58 | 0 | " | |
| East end of the Islands of Choleechel | 39 | 0 | 0 | " | by Villariño, in 1782. | |||
| Junction of the River Neuquen | 38 | 44 | 0 | " | ||||
| Junction of the River Encarnacion } | 40 | 6 | 0 | " | ||||
| Villariños, furthest up the Catapuliché | 39 | 33 | 0 | " | ||||
No. 7—continued.
Positions on the road from Buenos Ayres to Chile, fixed in 1794 by Bauza and Espinosa, Officers attached to Malaspina's Surveying Expedition.
| Place. | S. Latitude. | Longitude. | Where from. | Observations. | ||||
|---|---|---|---|---|---|---|---|---|
| ° | ´ | " | ° | ´ | " | |||
| Post of Portezuelas | 33 | 53 | 0 | Greenwich | ||||
| Do. of Desmochados | 33 | 10 | 0 | " | ||||
| Do. of Sanjon, on the River Tercero | 32 | 40 | 0 | 61 | 45 | 0 | " | |
| Pass on the Tercero | 32 | 23 | 30 | " | ||||
| San Luis de la Punta | 33 | 18 | 0 | 65 | 47 | 0 | " | |
| Pass of the Desaguadero | 33 | 26 | 0 | " | ||||
| Mendoza | 32 | 52 | 0 | 69 | 6 | 0 | " | |
| Uspallata | 32 | 33 | 20 | " | ||||
| St. Jago de Chile | 33 | 26 | 0 | 70 | 46 | 0 | " | |
| Provincial Towns. | ||||||||
| Cordova | 31 | 26 | 14 | 314 | 36 | 45 | Ferro | M. de Souillae, 1784. |
| Santiago del Estero | 27 | 47 | 0 | " | Azara. | |||
| Tucuman | " | |||||||
| Salta | " | |||||||
| Corrientes | 27 | 27 | 0 | 319 | 55 | 0 | " | ditto. |
| Assumption | 25 | 16 | 40 | 320 | 12 | 0 | " | ditto. |
| Affluents of the River Paraguay. | ||||||||
| Mouth of the Vermejo | 26 | 54 | 0 | by Azara, in 1785. | ||||
| Do. of the Tebicuari | 26 | 35 | 0 | |||||
| Fort Angostura | 25 | 32 | 0 | |||||
| Mouth of the Pilcomayo | 25 | 21 | 9 | |||||
| Mouth of the Piray | 25 | 2 | 0 | Quiroga, in 1750 | ||||
| Do. of the Salado | 25 | 1 | 0 | |||||
| Do. Peribibuy | 24 | 58 | 0 | |||||
| Do. Mboicay | 24 | 56 | 0 | |||||
| Do. Ibobi | 24 | 29 | 0 | |||||
| Do. Quarepoti | 24 | 23 | 0 | |||||
| Do. Xexui | 24 | 7 | 0 | |||||
| Do. Ipané-mini | 24 | 2 | 0 | |||||
| Do. Fogones | 23 | 51 | 0 | |||||
| Do. Ipané-guazu | 23 | 28 | 0 | |||||
| Do. Guarambaré | 23 | 8 | 0 | |||||
| Do. Corrientes | 22 | 2 | 0 | |||||
| Do. Tepeti | 21 | 45 | 0 | |||||
| Do. Inboteti | 19 | 20 | 0 | |||||
| Do. Tacuari | 19 | 0 | 0 | |||||
| Do. Porrudos | 17 | 52 | 0 | |||||
| Do. Jaurú | 16 | 25 | 0 | 320 | 10 | 0 | Ferro | |
No. 7—continued.
Towns in Paraguay.
| Place. | S. Latitude. | Longitude. | Where from. | Observations. | ||||
|---|---|---|---|---|---|---|---|---|
| ° | ´ | " | ° | ´ | " | |||
| Yaguaron | 25 | 41 | 15 | Azara, in 1785. | ||||
| Itapé | 25 | 51 | 14 | |||||
| Cazapa | 26 | 9 | 53 | |||||
| Yuti | 26 | 36 | 4 | |||||
| Point of embarkation on the Tebicuari | 26 | 35 | 21 | |||||
| The Jesuit Missions of the Uruguay and Paranã, as fixed by the Boundary Commissioners, under the Treaty of 1777. | ||||||||
| San Ignacio-guazu | 26 | 55 | 12 | 321 | 5 | 9 | Ferro | N.B. The difference adopted between the meridian of Ferro and Paris by the Commissioners, was 20° 30´. |
| Santa Maria de Fé | 26 | 48 | 10 | 321 | 11 | 9 | " | |
| Santa Rosa | 26 | 53 | 12 | 321 | 14 | 28 | " | |
| Santiago | 27 | 8 | 40 | 321 | 20 | 14 | " | |
| San Cosmo | 27 | 18 | 55 | 321 | 47 | 53 | " | |
| Itapua | 27 | 20 | 16 | 322 | 14 2 | " | ||
| Candelaria | 27 | 27 | 14 | 322 | 19 | 30 | " | |
| Santa Ana | 27 | 23 | 40 | 322 | 31 | 23 | " | |
| Loreto | 27 | 19 | 44 | 322 | 35 | 19 | " | |
| San Ignacio-mini | 27 | 14 | 55 | 322 | 43 | 11 | " | |
| Corpus | 27 | 7 | 36 | 322 | 36 | 27 | " | |
| Trinidad | 27 | 7 | 35 | 322 | 19 | 20 | " | |
| Jesus | 27 | 2 | 36 | 322 | 17 | 2 | " | |
| San José | 27 | 45 | 47 | 322 | 19 | 30 | " | |
| San Carlos | 27 | 44 | 36 | 322 | 11 | 1 | " | |
| Apostoles | 27 | 54 | 27 | 322 | 19 | 45 | " | |
| Conception | 27 | 58 | 51 | 322 | 33 | 22 | " | |
| Santa Maria Mayor | 27 | 53 | 34 | 322 | 38 | 59 | " | |
| San Xavier | 27 | 51 | 8 | 322 | 49 | 26 | " | |
| Martires | 27 | 50 | 24 | 322 | 36 | 49 | " | |
| San Nicolas | 28 | 11 | 23 | 322 | 44 | 21 | " | |
| San Luis | 28 | 25 | 41 | 323 | 1 | 23 | " | |
| San Lorenzo | 28 | 27 | 51 | 323 | 14 | 29 | " | |
| San Miguel | 28 | 33 | 13 | 323 | 22 | 24 | " | |
| San Juan | 28 | 27 | 51 | 323 | 37 | 22 | " | |
| San Angel | 28 | 18 | 13 | 323 | 47 | 15 | " | |
| San Tomas | 28 | 32 | 49 | 322 | 1 | 39 | " | |
| San Borja | 28 | 39 | 51 | 322 | 4 | 49 | " | |
| La Cruz | 29 | 11 | 0 | 321 | 30 | 0 | " | |
| Yapeyú | 29 | 28 | 0 | 321 | 17 | 2 | " | |
| The Gran Salto, or Great Fall on the Paranã | 24 | 4 | 58 | " | by the Boundary Commissioners, 1788. | |||
| N.B. Malaspina's Observations on the Shores of the River Plate, alluded to at page [97], are not inserted, owing to some apparent inaccuracies in the Copy received, which cannot be corrected without further reference to Buenos Ayres. | ||||||||