CONTENTS. 



XVI 



Passaoje throuoh the Straits of Gibraltar. — The Atlantic 

 Ocean. — Sea-sickness. — Arrival at Madeira, and stay in 

 that island. — A description of the island with respect to 

 Natural History. — Voyage past the Canary Islands. — 

 Observations on Natural Philosophy and Natural History, 

 relative to the winds, the temperature of the air, of the 

 water at and below the surface, to the barometer, the 

 areometer, the hygrometer, the electrometer, the variation 

 of the needle, the currents, the lightnings, &c. — The 

 Atlantic Ocean to the Tropic of Cancer, from that to the 

 Equator, and thence to Rio de Janeiro, — Phosphorescence. 

 — Flying fish, tunny fish, sharks, sea-fowl, mollusca, 

 &c. — Natural and Mathematical Equator. — • Fear of 

 pirates. — Feelings on passing the Equator. — A day be- 

 tween the tropics. — Communication with a vessel. — The 

 coast of Brazil. — The llhas Abrolhos. — Rocks and 

 shoals. — Trinidad. — Perilous situation of the crew of a 

 French vessel. — Arrival. — The harbour of Rio de Janeiro. 

 Notes : — The dyer's lichen. — The vegetation of the 

 islands of Canaria and Madeira. — Animals near the 

 equator. — Equatorial limits of the north-east and south- 

 east trade winds. 



VOL. T, 



a 



