A JOURNEY IN BRAZIL. 



CHAPTER I. 



VOYAGE FROM NEW YORK TO RIO DE JANEIRO. 



FIRST SUNDAY AT SEA. GULF STREAM. GULF- WEED. LECTURES PRO- 

 POSED. FIRST LECTURE: " ON THE GULF STREAM IN THE GULF STREAM." 



AQUARIUM ESTABLISHED ON BOARD. SECOND LECTURE. ROUGH SEA. 



PECULIAR TINT OF WATER. THIRD LECTURE: LAYING OUT WORK OF 

 EXPEDITION IN BRAZIL ; DISTRIBUTION OF FISHES IN BRAZILIAN RIVERS; ITS 

 BEARING ON ORIGIN OF SPECIES ; COLLECTING OF EGGS. TROPICAL SUN- 

 SET. FOURTH LECTURE : PLAN OF GEOLOGICAL INVESTIGATIONS WITH SPE- 

 CIAL REFERENCE TO GLACIAL PHENOMENA IN SOUTH AMERICA. FLYING- 



FISH. FIFTH LECTURE: GLACIAL PHENOMENA, CONTINUED. SECOND SUN- 

 DAY AT SEA. ROUGH WATER. SIXTH LECTURE: EMBRYOLOGICAL INVES- 

 TIGATIONS AS A GUIDE TO SOUND CLASSIFICATION. SEVENTH LECTURE. 

 MOONLIGHT NIGHTS. TRADE- WINDS. EIGHTH LECTURE: IMPORTANCE OF 

 PRECISION IN LOCALIZING SPECIMENS. SOUTHERN CROSS. NINTH LEC- 

 TURE : FRESH- WATER FISHES OF BRAZIL. EASTER SUNDAY. FIRST SIGHT 

 OF SOUTH AMERICAN SHORE. OLINDA. PERNAMBUCO. CATAMARANS. 

 TENTH LECTURE : METHODS OF COLLECTING. ELEVENTH LECTURE : CLAS- 

 SIFICATION OF FISHES, AS ILLUSTRATED BY EMBRYOLOGY. PREPARATIONS 

 FOR ARRIVAL. TWELFTH LECTURE : PRACTICAL LESSON IN EMBRYOLOGY 



CLOSING LECTURE : TRANSMUTATION THEORY ; INTELLECTUAL AND PO- 

 LITICAL INDEPENDENCE. RESOLUTIONS AND SPEECHES. SINGULAR RED 

 PATCHES ON THE SURFACE OF THE SEA. 



April 2d, 1865. Our first Sunday at sea. The weather 

 is delicious, the ship as steady as anything on the water 

 can be, and even the most forlorn of our party have little 

 excuse for sea-sickness. We have had service from Bishop 

 Potter this morning, and since then we have been on deck 

 reading, walking, watching a singular cloud, which the 

 captain says is a cloud of smoke, in the direction of Pe- 

 tersburg. We think it may be the smoke of a great deci- 



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