PLATE I 



Fig. I. Conchoderma auritum (Linne, 1767). On baleen plate of Blue whale. About 1-7/1. 



Fig. 2. Conchoderma auritum (Linne, 1767). On baleen plate of Blue whale. About i-d^ji. 



Fig. 3. Conchoderma auritum (Linne, 1767). On baleen plate of Fin whale. About O'73/i. 



Fig. 4. Conchoderma virgatum (Spengler, 1790). From a parasitic copepod {Pennella) on a Blue whale. About 

 I -60/ 1. 



Fig. 5. Coronula reginae, Darwin, 1854. Two young specimens in the skin of a Blue whale. About 1-63/1. 



Fig. 6. Coronula reginae, Darwin, 1854. In the skin of a Blue whale. About i-86/i. 



Fig. 7. Coronula reginae, Darwin, 1854. In the skin of a whale from Saldanha Bay. About 1-74/1. 



Fig. 8. Coronula reginae, Darwin, 1854. In the skin of a Fin whale. About 1-74/1. 



Fig. 9. Coronula reginae, Darwin, 1854. One full-grown specimen in the skin of a Humpback whale. 

 About 1-50/1. 



Fig. 10. Coronula reginae, Darwin, 1854. The same specimen from the carinal side. About 1-40/1. 



