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52 to conquer such a feeling. As the birds which we thus caught were only in the water for a very little while, exhaustion could have had nothing to do with their self-surrender. The paralysis of fear ought, one would think, to have acted from the first, instead of supervening after a period of activity, but perhaps mere bewilderment, by preventing sustained exertion, may have produced a similar effect. Had it always been the parent bird that led the way on the occasion of the first leap from the rock, this powerlessness on the part of the young to leave it a second time might be attributed to her absence—but as far as I can remember there was no fixed rule in this respect. Both old and young birds generally went off with great unwillingness, but at other times this was not nearly so marked.

In their swimming so quickly to the shore again, after their first plunge, and refusing thereafter to leave it, these young cormorants brought to my mind those amphibious lizards of the Galapagos Islands which Darwin mentions as never entering the sea to avoid danger, but, on the contrary, always swimming to land on the slightest alarm, though it might be there precisely that danger awaited them. This "strange anomaly" Darwin explains in the following manner: "Perhaps this singular piece of apparent stupidity may be accounted for by the circumstance that this reptile has no enemy whatever on shore, whereas at sea it must often fall a prey to the numerous sharks. Hence, probably, urged by a fixed