I mention this circumstance, because, as if the cows and calves had been purposely locked up in this innermost fold; and as if the wide extent of the herd had hitherto prevented them from learning the precise cause of its stopping; or, possibly, being so young, unsophisticated, and every way innocent and inexperienced; however it may have been, these smaller whales—now and then visiting our becalmed boat from the margin of the lake—evinced a wondrous fearlessness and confidence, or else a still becharmed panic which it was impossible not to marvel at.