[2] The Riddle of the Sands.
[3] White mice were carried in the early types of submarines to give warning, by their antics, of an escape of gas.
[4] By the ancient custom of the Navy a defaulter removes his cap when his case is investigated by the captain.
[5] Discharged Dead. The official notation of death in H.M. Navy.
[6] A novice.
[7] An argument as to the comparative merits and demerits of the respective branches of H.M. Naval Service.
