Toads Found in Wood and Stone -- Difficulties -- Bell's Caution -- Current Explanations -- Mr Bartlett's Toad in Fir-tree -- His Letter in Reply -- Mr Bree's Toad in Sandstone -- Mr Peacock's Toad in Lias -- Toad in Tamarind-wood in India -- Comments on the Report -- Toad in Flint at Blois -- Toad in Iron Ore -- _Audi alteram partem_ -- Mr Plant's Disappointment -- Seven Frogs in Nodules of Limestone -- Toad Immured in Old Wall -- Frog in Freestone -- Toads deep in Stiff Clay -- Experiments -- Dr Buckland Immures Toads in Oolitic Limestone and Sandstone -- Results -- Dr Buckland's Conclusions -- Toads Inclosed in Plaster of Paris -- Critical Examination of the Experiments -- Objections to the Conclusions -- Evidence rather in Favour of Common Belief -- Toad Sixteen Years in Closed-in Wall -- Toad in Mortar under a Horse-block -- Indefinite Torpidity of Wasps -- Mr Bartlett Finds a Bat in a Vault Closed for Twenty Years -- Mr Smith Finds a Bat in a Vault Closed for One Hundred and Six Years, 146 V. HYBERNATION OF SWALLOWS. The Question -- Popular Belief -- Scientific Statements of Swallows' Torpidity and Submersion -- Achard's Statement -- White's Account -- Cases given by Bishop Stanley -- Supposed Torpidity of American Swift -- Hybernating Corn-crakes -- Barrington's Reports of Torpid Swallows -- Curator Wall's Story -- Fitton's Story -- Swallows in Britain during Winter -- Cases recorded by White -- Montagu -- Yarrell -- C. Bree -- Bell -- Hewitson -- Harcourt -- Rodd -- Hadfield -- W. Bree -- Johnston -- Gurney -- Examination of the Evidence -- Conclusion in Favour of Torpidity, 191 VI. THE CRESTED AND WATTLED SNAKE. Seba's Museum -- His "Thesaurus" -- Figures of Curious Serpents -- What could they have been? -- Proofs that they were Ophidian, not Piscine -- Reports of Wonderful Serpent in Jamaica -- Singular Character of its Habitat -- Geological and Botanical Features -- Locale of Three-fingered Jack -- Crested Snake Killed here -- Negro Stories of its Voice -- Heard of in Hayti -- Author's Efforts to obtain a Specimen -- Occurrence of Two Specimens, 211 VII. THE DOUBTFUL. Viper Swallowing her Young -- Conflicting Statements -- Physiologically not Impossible -- Reports of Witnesses -- Mr Percival's Account -- Mr Wolley's Corroboration -- Mr Bond's Testimony -- Case of the Rattlesnake -- Seen by Palisot de Beauvois -- Case of the Common Lizard -- Comments on the Evidence. Madame Merian -- Her Truth Impeached -- Her Story of the Lantern-fly -- Denials of its Luminosity by Entomologists -- Confirmation of it by Lacordaire -- By Spinola -- By Wesmael -- English Insects only Occasionally Luminous -- Mole-cricket -- The Cause of _ignis fatuus_ -- Crane-fly -- Luminous Caterpillars -- Perhaps a Disease.