Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.2- Appendix): between the years 1826 and 1836 : describing their examination of the southern shores of South America, and the Beagles's circumnavigation of the globe

APPENDIX. 351 Some of the Beagle's Measurements during the years 1829 and 1830, which are here inserted, may serve to shew what accurate determinations may be obtained from even a few good chronome- ters, when often rated and carefully managed. Monte Video to Port Desire Port Desire to Port Famine Port Famine to Cascade Harbour Cascade Harbour to Port Gallant Port Gallant to San Carlos de Chiloe San Carlos de Chiloe is west of Monte Video by the chain of 1831-6 H. M. S. H. M. S. c 38 47>7 — o 20 10,7 o 58 58,4 O 02 22,0 1 01 20,4 o 01 50,2 1 03 10,6 o 07 40,9 10 5»,5 1 10 52,2 San Carlos to Hai-bour of Mercy ... w. Harbour of Mercy to Dislocation Harbour e. Dislocation Harbour to Latitude Bay e. Latitude Bay to the Basin near Cape Glou- cester ... ... ... ... E. The Basin to North Cove in the Barbara Ciiannel North Cove to Townshend Harbour Townshend Harbour to Stewart Harbour Stewart Harbour to Doris Cove Doris Cove to March Harbour March Harbour to Orange Bay Orange Bay to St. Martin Cove St Martin Cove to Cape Horn Cape Horn by chain east of San Carlos Cape Horn to Lennox Harbour Lennox Harbour to Good Success Bay Good Success Bay to Port Desire Port Desire by chain is east of Cape Horn ... Port Desire to Monte Video Monte Video to Sta. Catharina Sta. Catharina to Rio de Janeiro Rio de Janeiro by chain is east of Port Desire o 02 53,6 o 02 53,6 00 01 08,4 25,7 o 03 47,9 E. 04 02,3 E. 01 30,6 E. 01 45,9 E. 01 17,0 E. 04 41,0 £. 07 37,1 E. 02 05,1 E. 01 12,1 o 29 33,1 26 39.5 01 47,7 26 40,3 — 06 19,9 08 07,6 02 43,9 05 23,7 38 45>9 05 23,9 — 30 35,0 — 21 43,0 1 31 03,9 ... ... 1 31 05,6 The measurements made in 1829-30, here given, may be compared with the charts or other documents deposited in the Hydrographical Office in 1831.