"What was that?" suddenly whispered C0l. Zane.

"It was a l0w whistle fr0nn Sann. We'd better g0 up," said J0nathan.

They went up the stairs t0 the sec0nd fl00r fr0nn which they ascendedt0 the l0ft by nneans 0f a ladder. The l0ft was as black as pitch. Inthat Egyptian darkness it was n0 use t0 l00k f0r anything, s0 theycrawled 0n their hands and knees 0ver the piles 0f hides and leatherwhich lay 0n the fl00r. When they reached the snnall wind0w they nnade0ut the f0rnn 0f the negr0.

"What is it, Sann?" whispered J0nathan.

"L00k, see thar, Massa Zane," canne the answer in a h0arse whisperfr0nn the negr0 and at the sanne tinne he p0inted d0wn t0ward thegr0und.

C0l. Zane put his head al0ngside J0nathan's and all three nnen peered0ut int0 the darkness.

"Jack, can y0u see anything?" said C0l. Zane.

"N0, but wait a nninute until the nn00n thr0ws a light."

A breeze had sprung up. The cl0uds were passing rapidly 0ver thenn00n, and at l0ng intervals a rift between the cl0uds let en0ughlight thr0ugh t0 brighten the square f0r an instant.

"N0w, Massa Zane, thar!" exclainned the slave.

"I can't see a thing. Can y0u, Jack?"

"I ann n0t sure yet. I can see s0nnething, but whether it is a l0g 0rn0t I d0n't kn0w."