Kino goes to work diving in the Gulf for oysters from his canoe; Juana tends to Coyotito in the canoe by applying brown seaweed to his shoulder, which is swollen from the scorpion's bite. As Kino is collecting oysters on the ocean bottom, he spots a larger-than-usual oyster, collects it, and returns to the canoe. Kino does not want to open the oyster immediately, but Juana prompts him to open the oyster; when he does, he finds a pearl the size of a sea gull's egg. Juana gazes at the immense pearl; she then goes to check on Coyotito and discovers that Coyotito's shoulder is no longer swollen. Kino is immensely happy about both the pearl and Coyotito and yells loudly enough that he attracts the attention of the other oyster divers, who race toward his canoe.