 Iantha pulls up the blanket covering her lower half to reveal a pair of horizontal flukes where her feet should be.When the next day they enter Iantha in the swim meet, Connaught is naturally outraged to discover his star pupil will be going up against a mermaid.He raises every objection he can think of, only to be countered by Mark, who calmly citing and interpreting the rules of the swimming association with his legal expertise demonstrates there is in fact "nothing in the rules" to prevent Iantha from competing.