Toddles didn't say anything. For the first time since Toddles' advent to the Hill Division, there were tears in Toddles' eyes for some one else to see. Donkin laughed. "All right, old man, you're on. See that you don't throw me down. And keep your mouth shut; you'll need all your wind. It's work that counts, and nothing else. Now chase yourself! I'll dig up the things you'll need, and you can drop in here and get them when you come off your run to-night." Spare time! Bob Donkin didn't have any spare time those days! But that was Donkin's way. Spence sick, and two men handling the despatching where three had handled it before, didn't leave Bob Donkin much spare time--not much. But a boost for the kid was worth a sacrifice. Donkin went at it as earnestly as Toddles did--and Toddles was in deadly earnest. When Toddles left the despatcher's office that morning with Donkin's promise to teach him the key, Toddles had a hazy idea that Donkin had wings concealed somewhere under his coat and was an angel in disguise; and at the end of two weeks he was sure of it. But at the end of a month Bob Donkin was a god! Throw Bob Donkin down! Toddles would have sold his soul for the despatcher. It wasn't easy, though; and Bob Donkin wasn't an easy-going taskmaster, not by long odds. Donkin had a tongue, and on occasions could use it. Short and quick in his explanations, he expected his pupil to get it short and quick; either that, or Donkin's opinion of him. But Toddles stuck. He'd have crawled on his knees for Donkin anywhere, and he worked like a major--not only for his own advancement, but for what he came to prize quite as much, if not more, Donkin's approval. Toddles, mindful of Donkin's words, didn't fight so much as the days went by, though he found it difficult to swear off all at once; and on his runs he studied his Morse code, and he had the "calls" of every station on the division off by heart right from the start. Toddles mastered the "sending" by leaps and bounds; but the "taking" came slower, as it does for everybody--but even at that, at the end of six weeks, if it wasn't thrown at him too fast and hard, Toddles could get it after a fashion. Take it all around, Toddles felt like whistling most of the time; and, pleased with his own progress, looked forward to starting in presently as a full-fledged operator. He mentioned the matter to Bob Donkin--once. Donkin picked his words and spoke fervently. Toddles never brought the subject up again. And so things went on. Late summer turned to early fall, and early fall to still sharper weather, until there came the night that the operator at Blind River muddled his orders and gave No. 73, the westbound fast freight, her clearance against the second section of the eastbound Limited that doomed them to meet somewhere head-on in the Glacier Cañon; the night that Toddles--but there's just a word or two that comes before.