1822. Ditto; and again 600 feet long.
1827. Ditto.
1829. Mr. Davidson, surgeon, R.N., described one seen in the Indian seas as precisely similar to that seen afterwards from the Dædalus in 1848. He wrote of it during the controversy that passed regarding the latter. Mr. Gosse regarded his testimony as of much value.
1833. One seen by five British officers off Halifax, and described by P. H. Gosse.
1837. Again off Norway.
1846. Off Norway, and in the same locality as one seen about one hundred years previously; also during the hottest part of the summer. This individual had two ‘fins,’ and ‘the movements were like those of a snake forty to fifty feet long.’
1848. The one seen from the Dædalus.
1850. Off Norway.
1851. Ditto.
1852. One described by Captain Steele, mentioned by Gosse.