It goes past a rocky point called Punta de las Brisas, where Mexican boys violate the local antisurfing rules and catch the tube waves that roll in during July and August, and during the full moon.

Ford still had his hand stuck out. Arthur looked at it with incomprehension.¶ Shake, prompted Ford.¶ Arthur did, nervously at first, as if it might turn out to be a fish. Then he grasped it vigorously with both hands in an overwhelming flood of relief. He shook it and shook it.¶ After a while Ford found it necessary to disengage.

It worn't long befoor he coom // To see ha matters stood;

The method is relatively labour intensive (24-30 microcosms are run) and more difficult to interpret when compared with other microcosm methods (Shannon et al. 1986; Cairns & Cherry 1993).