Plate XXV. 



Figs. 



1-6. Thersitina gasterostei (Pagenstecher), ? . (p. 42. 



1. Antennule. 



2. Antenna. 



3. Second maxilliped. 



4. Foot of first pair. 



5. Foot of fourth pair. 



6. Abdomen and furcal joints. 



7-9. Galigus curtus 0. F. Miiller, $ . (p. 45.) 



7. Sternal fork. 



8. Second maxilliped. 



9. Foot of fourth pair. 



10. Lepeophtheirus thompsoni JBaird. (p. 69.) 



10. Sternal fork, ? . 



11-16. Caligus minimus Otto, ? & $ (p. 46.) 



11. Antennule, $ . 



12. Sternal fork, $ . 



13. Sternal fork, <$ . 



14. Second maxilliped, ? . 



15. Foot of fourth pair, ?. 



16. Second maxilliped, $ . 



(Figures much enlarged.) 



