Gulf of Papagayo, and fixed the principal features of the Lake of Managua, to its fall into that of Nicaragua, at Tepitapa. After surveying the Gulf of Papagayo and Port Culebra, the Sulphur quitted Central America, touched at, and fixed, Cocos Island, and reached Callao in June, 1838, for the purpose of refit, and the completion of stores and provisions. Having examined the coast betwen Cerro Azul and Callao, (about sixty miles,) she left Callao in August, calling at Paita and Guayaquil, and returned to Panama in the following October.
Here may be said to have ended her first cruize; but between October and March a survey was made of the Gulfs of Fonseca and Nicoya, Pueblo Nueva, and Baia Honda, after which the ship moved northerly, repeating her cruize of 1837. She was detained at the Columbia River till September; Bodega, the Russian position near San Fransisco, was then surveyed, and subsequently San Francisco, Monterey, Santa Barbara, San Pedro, San Juan, San Diego, San Quentin, San Bartolomè, the Gulf of Magdalena, and Cape San Lucas. The Sulphur then proceeded to San Blas and Mazatlan, where orders for a westerly return awaited her. Having shipped supplies for fourteen months, from a transport which had been sent to meet her, she commenced her homeward voyage in January, 1840; en route the author landed on the islands of Socorro and Clarion, and secured their positions. She reached the Marquesas the same month, and after a short visit to Port Anna Maria, Nuhuhiva, moved on to Bow Island, where the operation was performed of boring for the volcanic foundation on which these coral
