CONTENTS. xiii 



XI. THE UNKNOVrX. 



PAGE 



Charm of the Unknown Expectation of an exploring Naturalist 

 His daily Experiences Experience of Mr Bates Animals in 

 Brazil A Natural-history Day on the Amazon Anticipations 

 of Mr Wallace The Far East What may be expected in 

 Zoology In South America A great Ape In the Oriental 

 Archipelago In Papua In China In Japan In the Farther 

 Peninsula In Madagascar In Africa Hope points to Central 

 Africa The Unicorn Native Reports and Descriptions of it 

 Dr A. Smith's Opinion Drawings by Savages Our Ignor- 

 ance of the Depth of Ocean The Aquarium Fancy Sketch by 

 Schleiden Clearness of Arctic Seaa, 271 



XII. THE GREAT UNKNOWN. 



Wonders of Foreign Parts Scepticism Moot Points in Zoology 

 Necessity of Caution Liability to Error Question of the 

 Existence of a "Sea-serpent" Norwegian Testimony New 

 England Testimony Mr Perkins's Report Mr Ince's Nar- 

 rative Captain M'Quhse's Report Lieut. Drummond's Ob- 

 ject seen by Captain Beechey Mr Stirling's Suggestion and 

 Personal Testimony Suggestion of the Plesiosaurus Profes- 

 sor Owen's Strictures and Opinion Suggests a great Seal 

 Captain M'Quhse's Reply Mr Davidson's confirmatory Testi- 

 mony Animal seen from the Barham Captain Herriman 

 examines a supposed Sea-serpent Finds it a Sea-weed Cap- 

 tain Harrington's Testimony Cnptain Smith's Sea-weed Ex- 

 perience More Testimony from the Dcedalus Examina- 

 tion of the accumulated Evidence Recapitulation Dismis- 

 sion of Sea-weed Hypothesis Tests Mammalia Professor 

 Owen's Hypothesis Reasons against it Vagueness of the 

 Drawings No Seal tenable Cetacea Fishes Shark Hypo- 

 thesis Ribbon-Fishes Eels Reptiles Small Sea-snakes 

 Occurrence of a true Serpent in the Atlantic Serpent Hypo- 



