372 Gilmore PELAGIC CORMORANT © 1931 Straits where they feed extensively close To the rugged beaches and probably find "pilot fish" a large part of their diet. When flushed from their roosts on rocks or cliffs, or from their fledging, they seem greatly perturbed and fly aimlessly about in large circles, passing close to the boat at regular intervals. They seem loathe to leave "their" area. One specimen was easily decoyed back within range by the frantic waving of a cloth cap. I have never heard them utter a sound. None of the birds show any white patches on the flanks. When feeding together they go about their business with perfect amity and accord. They do not seem to quarrel, at least at this time of the year. They do not, as a general rule, seem to be very gregarious and though they do gather in numbers from 10-25 around their favorite roosting there appears to be no herd instinct or psychology to speak of. Such a flock may hang together in an awkward