Cogswell 1949 Puffinus griseus 3 July 4 (cont.) - St. Miss, Monterey lo, Calif. - - about when flying upwind, about ½ flapping + ½ sailing, 4 to 10 flaps at a series, mostly within 15 feet of the water but slightly higher when flapping, often grazing the surface when sailing on the turns from upwind to downwind: they often give an extra long series of flaps, rising to a height of 30 ft. or more and then into the next phase: when flying downwind: wings often held at a decided angle to ocean surface: flaps in shorter series + series less frequent, rising to the 30+ ft. height more frequently, but not main. taking off at all — merely gliding over the top of a smooth “knoll” or down again. July 6 - 7:15 - 7:35 P.M. I watched ocean from the same point. There were from 2 to 30 shearwaters crossing my binocular field at all times during this period, most of them much down to shore then on 4th + all but a few were of this species. all flew steadily westward + southward around