Nat. Hist. Juan Fernandez and Easter Isl. Vol. III. 



Plate 4. 



Fig. II. Furca of Caiigus aesopus. Fig. 12. First swimming leg. Fig. 13. Fourth 



swimming leg. Fig. 14. Dorsal view of female of Lepeophtheirus interitus. Fig. 15. 



First maxilla. . Fig. 16. Furca. Fig. 17. First swimming leg. 



