With his plan beautifully drawn to scale, with sectional diagrams and side elevations embellishing its margin, he had summoned Mojeri of the Lower Isisi, famous throughout the land as a builder of great houses, and to him he had entrusted the execution of his design. "This you shall build for me, Mojeri," said Bones, sucking the end of his pencil and gazing lovingly at the plan outspread before him, "and you shall be famous all through the world. This room shall be twice as large as that, and you shall cunningly contrive a passage so that I may move from one to the other, and none see me come or go. Also, this shall be my sleeping-place, and this a great room where I will practise powerful magics." Mojeri took the plan in his hand and looked at it. He turned it upside down and looked at it that way. Then he looked at it sideways. "Lord," said he, putting down the plan with a reverent hand, "all these wonders I shall remember." "And did he?" asked Hamilton, when Bones described the interview. Bones blinked and swallowed. "He went away and built me a square hut--just a plain square hut. Mojeri is an ass, sir--a jolly old fraud an' humbug, sir. He----" "Let me see the plan," said Hamilton, and his subordinate produced the cartridge paper. "H'm!" said Hamilton, after a careful scrutiny. "Very pretty. But how did you get into your room?" "Through the door, dear old officer," said the sarcastic Bones. "I thought it might be through the roof," said Hamilton, "or possibly you made one of your famous dramatic entries through a star-trap in the floor-- "'Who is it speaks in those sepulchral tones? It is the demon king--the grisly Bones! Bing!' "and up you pop amidst red fire and smoke." A light dawned on Bones. "Do you mean to tell me, jolly old Ham, that I forgot to put a door into my room?" he asked incredulously, and peered over his chief's shoulder. "That is what I mean, Bones. And where does the passage lead to?" "That goes straight from my sleepin' room to the room marked L," said Bones, in triumph. "Then you _were_ going to be a demon king," said the admiring Hamilton. "But fortunately for you, Bones, the descent to L is not so easy--you've drawn a party wall across----" "L stands for laboratory," explained the architect hurriedly. "An' where's the wall? God bless my jolly old soul, so I have! Anyway, that could have been rectified in a jiffy." "Speaking largely," said Hamilton, after a careful scrutiny of the plan, "I think Mojeri has acted wisely. You will have to be content with the one room. What was the general idea of the house, anyway?" "Science an' general illumination of the human mind," said Bones comprehensively. "I see," said Hamilton. "You were going to make fireworks. A splendid idea, Bones."