McCheane, Mr., hon. sec. Royal Portsmouth Corinthian Yacht Club, [225]
Macgregor, Colonel, [144]
'Madcap' (2½-rater), [228], [231], [233], [236]
'Madcap' (70 tons), [113], [180]
'Magic' (93 tons), wins the America Cup in 1870, [125]
'Mahatma' (1-rater), [251]
'Malissa' (10-tonner), [354]
'Man overboard' rule, [158]