"Precisely. Ossmen." It was a measure of the Venerian Lensman's concern that he used only two words instead of twenty or thirty. "In the red boat with the yellow sail."

"Do you see any detector rigs?" Samms asked.

"He wouldn't need any," DalNalten put in. "He will be able to see it. Or, if a little colane had been rubbed on it which no Tellurian could have noticed, any Venerian could smell it from one end of that lake to the other."

"True. I didn't think of that. It may not have a transmitter after all."

"Maybe not, but keep on listening, anyway," the Port Admiral ordered. "Bend a plate on Ossmen, and a couple more on the rest of the boats. But Ossmen is clean, you say, Jack? Not even a spy-ray block?"

"He couldn't have a block, Dad. It'd give too much away, here on our home grounds. Like on Eridan, where their ops could wear anything they could lift, but we had to go naked." He flinched mentally as he recalled his encounter with Hazel the Hell-cat, and Northrop flinched with him.

"That's right, Rod," Olmstead in his boat below agreed, and Conway Costigan, in his room in Northport, concurred. The top-drawer operatives of the enemy depended for safety upon perfection of technique, not upon crude and dangerous mechanical devices.

"Well, since you're all so sure of it, I'll buy it," and the waiting went on.

Under the slight urge of the light and vagrant breeze, the red boat moved slowly across the water. A somnolent, lackadaisical youth, who very evidently cared nothing about where the boat went, sat in its stern, with his left arm draped loosely across the tiller. Nor was Ossmen any more concerned. His only care, apparently, was to avoid interference with the fishermen; his under-water jaunts were long, even for a Venerian, and he entered and left the water as smoothly as only a Venerian—or a seal—could.

"However, he could have, and probably has got, a capsule spy-ray detector," Jack offered, presently. "Or, since a Venerian can swallow anything one inch smaller than a kitchen stove, he could have a whole analyzing station stashed away in his stomach. Nobody's put a beam on him yet, have you?"