. -; I , , 1 1 1 1 1 1 1 1 1 1 1 1 1 I I I T 1 I I I I I ,'o I'l 1^ I'i U 15 10 17 18 19 20 21 22 23 24 LENGTH OF WHALE IN METRES Fig. 96. Mean curve of growth of baleen in Fin whales. The plotted points represent the length of the baleen in individual whales. BALEEN The description already given of the development of the baleen in the Blue whale foetus applies equally to its development in the Fin whale foetus, and we may proceed with the growth of the baleen in relation to the growth of the whale. The recorded lengths of the longest plates are plotted against the length of the whale in Fig.