Plate X. 



Figs. 



1,2. Pseudocaligus brevipedes (Bassett-Smith). (p. 61.) 



1. Dorsal view, ?, x 22. 



2. Dorsal view, <$ , x 22. 



3,4. Lepeophtheirus pectoralis (0. F. Miiller). (p. 64.) 



3. Dorsal view, ? , x 17. 



4. Dorsal view, <$ , x 17. 



