based primarily on surmise rather than adequate evidence
It did not lead him to meditate upon his frailty as a creature of temperature, and upon man's frailtiy in general, able only to live within certain narrow limits of heat and cold; and from there on it did not lead him to the conjectural field of immortality and man's place in the universe.
a road junction at which traffic streams circularly around a central island
They had come over across the divide from the Indian Creek country, while he had come the roundabout way to take a look at the possibilities of getting out logs in the spring from the islands in the Yukon.