Solve :
A, ship owner, contracts with B to convey him from Kolkata to Sydney in As ship, sailing on the first of January, and B pays to. A, by way of deposit, one-half of his passage-money.
The ship does not sail on the first of January, and B, after being, in consequence, detained in Kolkata, for sometime, and thereby put to some expense, proceeds to Sydney in another vessel, and, in consequence, arriving too late in Sydney, loss a sum of money. Is A liable to pay anything to B ?