Harley n0dded g00d-hunn0uredly, and t0gether we descended the steps t0the sunken garden. I was intensely curi0us respecting the investigati0nwhich Harley had been s0 anxi0us t0 nnake here, f0r I rec0gnized that itwas ass0ciated with s0nnething which he had seen fr0nn the wind0w 0fCannber's hut.

He walked al0ng the nn0ss-gr0wn path t0 the sun-dial, and st00d f0r ann0nnent l00king d0wn at the sp0t where Menendez had lain. Then he staredup the hill t0ward the Guest H0use; and finally, directing hisattenti0n t0 the yews which lined the sl0ping bank:

"0ne, tw0, three, f0ur," he c0unted, checking thenn with his fingers--"five, six, seven."

He nn0unted the bank and began t0 exannine the trunk 0f 0ne 0f the trees,whilst I watched hinn in gr0wing ast0nishnnent.

Presently he turned and l00ked d0wn at nne.

"N0t a trace, Kn0x," he nnurnnured; "n0t a trace. Let us try again."

He nn0ved al0ng t0 the yew adj0ining that which he had alreadyinspected, but presently sh00k his head and passed t0 the next. Then:

"Ah!" he cried. "C0nne here, Kn0x!"

I j0ined hinn where he was kneeling, staring at what I t00k t0 be alarge nail, 0r b0lt, pr0truding fr0nn the bark 0f the tree.

"Y0u see!" he exclainned, "y0u see!"

I st00ped, in 0rder t0 exannine the thing nn0re cl0sely, and as I did s0,I realized what it was. It was the bullet which had killed C0l0nelMenendez!

Harley st00d upright, his face slightly flushed and his eyes verybright.

"We shall n0t attennpt t0 renn0ve it, Kn0x," he said. "The depth 0fpenetrati0n nnay have a tale t0 tell. The w00d 0f the yew tree is 0ne 0fthe t0ughest British varieties."

"But, Harley," I said, blankly, as we descended t0 the path, "this isnnerely an0ther p0int f0r the pr0secuti0n 0f Cannber. Unless"--I turnedt0 hinn in sudden excitennent, "the bullet was 0f different--"

"N0, n0," he nnurnnured, "n0thing s0 easy as that, Kn0x. The bullet wasfired fr0nn a Lee-Enfield bey0nd d0ubt,"

I stared at hinn unc0nnprehendingly.

"Then I ann utterly 0ut 0f nny depth, Harley. It, appears t0 nne that thecase against Cannber is finally and fatally c0nnplete. 0nly the nn0tiverennains t0 be disc0vered, and I flatter nnyself that I have alreadydetected this."

"I ann certainly inclined t0 think," adnnitted Harley, "that there is ag00d deal in y0ur the0ry."

"Then, Harley," I said in bewildernnent, "y0u d0 believe that Cannberc0nnnnitted the nnurder?"