Only the arrival of a South American fresh from the Republic of Moccador, with a spade designed to dig up a long-buried treasure could have robbed Mawkum of his habitual caution of always guarding plans and estimates from outsiders--a custom which was really one of the fundamental laws of the office. The indiscretion was no doubt helped by the discovery that the owner of the spade spoke English, a fact which freed him at once of all dependence on the superior lingual attainments possessed by the Grandioso in the adjoining room. Down came the duplicate blue-prints without a word of protest or any further inquiry, and before I could reach the inquirer's side and be properly introduced--I did not want to interfere too abruptly--Mawkum had not only unrolled the elevation and cross-sections, but had handed out a memorandum showing the estimate of cost. Onativia acknowledged my presence with a slight bob of his head, loosened the upper button of his coat, fished up a pair of glasses, stuck them on the knob end of his nose, and began devouring the plans in a way that showed both of us that it was not the first time he had looked over a set of blue-prints. "This estimate is for the ironwork alone," the stranger said, "and is, as you see, good for three months. The time, as you will note, has expired. Do you now ask for an additional sum, or will the price stand?" All this in the tone of a Tombs lawyer cross-examining a witness. Mawkum murmured that, as there had been no advance in the cost of the raw material, the price would stand. "Very well. And now, what, in your judgment, should be added for the cost of erection?" "Can't say," answered Mawkum; "don't know the coast or kind of labor, or the bottom of the reef--may be coral, may be hard-pan, may be sand. Do YOU know?" "Yes--the coast is an ugly one, except four months in the year. Site is twelve miles from San Juan, exposed to the rake of the sea; bottom coral, I understand; labor cheap and good for nothing, and appliances none--except what can be shipped from here." This came with the air of one who knew. I now took charge of the negotiations: "We have refused to erect the structure or be responsible for it after it leaves our dock. We told Senor Garlicho so." Onativia lowered his chin, arched his eyebrows and looked at me over his glasses. "I don't want you to erect it," he said in a purring tone with a patronizing strain through it. "I'll do that. What I want to know is what it would cost HERE? That's what I came to New York to find out." "Has Senor Garlicho been awarded the contract?" I asked. It was useless to distribute any more bread upon the waters; certainly not on the ripples washing the shores of Moccador. If there were any business in sight I could very easily give either one of them an approximate cost; if there were none the bakery was closed.