calls at Madeira and Trinidad, passed through the Panama Canal on 13th June. The succeeding five months...Isla del Eey, Isla Gorgona, Coiba Island, Cocos Island, Taboga Island, and the Galapagos Group. On 15th...mainly submarine prolongation of this range. The island, which is about 6 miles long and one and three-quarters...separated by sharp knife-edged spurs. The whole island is thickly covered with dense jungle, which makes...is an ophitic dolerite, which is pierced by picrite dykes. The southern end of the island is composed of |